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This paper reviews little-known species of the dysderid spider genera Dysdera Latreille, 1804, and Dysderella Dunin, 1992 based on specimens collected in the Caucasus, Middle East, and Central Asia. After combining molecular phylogeny of five mitochondrial and three nuclear genes with morphological evidence, Dysderella is proposed as a junior synonym of Dysdera. In addition, three species are described as new to science: D. jaegeri Bellvert & Dimitrov sp. nov., D. naouelae Bellvert & Dimitrov sp. nov., and D. kourosh Bellvert, Zamani & Dimitrov sp. nov. Four combinations are proposed: Dysdera caspica Dunin, 1990 comb. rev., Dysdera transcaspica Dunin & Fet, 1985 comb. rev., Dysdera elburzica (Zamani, Marusik & Szűts, 2023) comb. nov. and Dysdera sancticedri (Brignoli, 1978) comb. nov. (ex. Dasumia Thorell, 1875). Furthermore, we report a first record of D. festai Caporiacco, 1929 in Turkey and its male cheliceral polymorphism. Our results illustrate the deficiencies that undermine the current taxonomy of this genus. For example, many species are described based on only one or few specimens or limited locality data. The advancements in DNA sequencing technologies applied to museum specimens reduce the need for fieldwork collection and export of fresh specimens. This highlights the significance of museum collections for improving research in this field.
The genus Cerabilia Laporte de Castelnau (Carabidae: Abacetini) is revised for New Zealand. Thirteen species are recognized.
Seven species are described as new: Cerabilia (Cerabilia) cordata Larochelle and Larivière new species, Cerabilia (Cerabilia) kaihoka Larochelle and Larivière new species, Cerabilia (Cerabilia) laevis Larochelle and Larivière new species, Cerabilia (Cerabilia) motunau Larochelle and Larivière new species, Cerabilia (Cerabilia) rugosa Larochelle and Larivière new species, Cerabilia (Cerabilia) takaka Larochelle and Larivière new species, Cerabilia (Cerabilia) willi Larochelle and Larivière new species.
A lectotype is designated for Zabronothus striatulus Broun, 1893.
A revision of all species of Cerabilia (Cerabilia) is provided. Descriptions, an identification key, illustrations of male genitalia, habitus photos, distributional data, and maps are given. Information on ecology, biology, dispersal power, and collecting techniques is included for each species.
ZooBank registration. urn:lsid:zoobank.org:pub:7E3F093D-A5EA-4912-8B30-8380A6F2D890
Abstract. New state records for 35 species of Eucnemidae (Coleoptera: Elateroidea) are reported from the eastern United States based on examination and identification of specimens from several institutional and two private collections in the last year. Images of 18 eucnemid species are provided.
ZooBank registration. urn:lsid:zoobank.org:pub:59455AAD-A59A-49BF-BFDE-1C7AD4B232FE
We present new and atypical host records for 78 species, subspecies, species-groups, and variants of spider wasps (Hymenoptera: Pompilidae) from North America and South America. The records are listed in modified taxonomic order following the Catalog of Hymenoptera in America North of Mexico, Volume 2, Apocrita (Aculeata) (Krombein 1979). These records are an extension of previous host records reported by Kurczewski (2010), Kurczewski and Edwards (2012), and Kurczewski et al. (2017, 2020, 2022b). New genus and species host records are given for the genera and subgenera Calopompilus Ashmead, Chirodamus Haliday, Pepsis Fabricius, Hemipepsis Dahlbom, Priocnessus Banks, Entypus Dahlbom, Pompilocalus Roig-Alsina, Priocnemis Schiødte, Auplopus Spinola, Ageniella Banks, ?Aridestus Banks, Agenioideus (Agenioideus) Ashmead, Sericopompilus Howard, Episyron Schiødte, Poecilopompilus Ashmead, Tachypompilus Ashmead, Lophopompilus Radoszkowski, Notiochares Banks, Arachnophroctonus Howard, Anoplius Dufour, Xerochares Evans, Ammosphex Wilcke, Arachnospila Kincaid, and Priochilus Banks. New host families are presented for species of Chirodamus (Pycnothelidae), Pepsis (Actinopodidae, Idiopidae, Lycosidae), Priocnessus (Lycosidae), Pompilocalus (Barychelidae), Priocnemis (Araneidae), Ageniella (Trechaleidae), ?Aridestus (Theraphosidae), Agenioideus (Agenioideus) (Pimoidae), Tachypompilus (Theraphosidae, Amaurobiidae, Sicariidae), Lophopompilus (Tracheleidae), Arachnophroctonus (Theraphosidae), and Anoplius (Corinnidae, Cybaeidae). First-time host spider families are introduced for Chirodamus hirsutulus (Spinola) (Pycnothelidae), Pepsis albocinta Smith (Actinopodidae), P. elevata Fabricius (Theraphosidae, Lycosidae), P. plutus Erichson (Theraphosidae), P. amyntas Mocsáry (Actinopodidae), P. ?chrysoptera Burmeister (Pycnothelidae), P. viridisetosa Spinola (orange-winged variant) (Theraphosidae); Priocnessus apache Banks (Agelenidae), P. nebulosus (Lycosidae), P. nuperus (Cresson) (Agelenidae, Lycosidae), Entypus velutinus (Taschenberg) (Ctenidae), Pompilocalus nemequene Roig-Alsina (Barychelidae), Priocnemis sp. (Araneidae), Auplopus comparatus (Smith) (Sparassidae), Ageniella (Ageniella) coronata Banks (Gnaphosidae), Ageniella (Ageniella) cupida (Cresson) species-group (Agelenidae), Ageniella (Ameragenia) sanguinolenta (Smith) (Trechaleidae), ?Aridestus bergi (Holmberg) (Theraphosidae), Agenioideus (Agenioideus) humilis (Cresson) (Pimoidae), Poecilopompilus costatus (Taschenberg) (Araneidae), P. familiaris (Banks) (Thomisidae), P. fervidus (Smith) (Araneidae), Tachypompilus ferrugineus (Amaurobiidae), T. pallidus (Banks) (Theraphosidae), T. unicolor cerinus Evans (Sicariidae), Tachypompilus sp. (Theraphosidae), Anoplius (Lophopompilus) carolina (Banks) (Trachelidae), Anoplius (Notiochares) triquetrus (Fox) (Lycosidae), Anoplius (Arachnophroctonus) vividus (Smith) (Theraphosidae), ?Anoplius (Anoplius) imbellis Banks (Cybaeidae), Anoplius triquetrus (Fox) (Lycosidae), Anoplius sp. [undescribed] (Corinnidae), Arachnospila imitatrix Wahis or A. trochilinus (Holmberg) (Lycosidae), A. titicacaensis (Strand) (Lycosidae), and Priochilus regius (Fabricius) (Cyrtaucheniidae). Actinopodidae (mouse spiders), Idiopidae (true trapdoor spiders), Sicariidae (recluse and violin spiders), Cybaeidae (water spiders), and Pimoidae are reported as first-time pompilid host spider families. Our new records on nesting behavior and host spiders for the diverse family Pompilidae highlight the valuable information provided by citizen science and the use of such platforms as iNaturalist.org
ZooBank registration. urn:lsid:zoobank.org:pub:853E1294-B73D-43B8-8D82-AFD2E0B00352
We propose several nomenclatural changes for taxa in the subfamily Cladodinae and the lampyrid tribes Cratomorphini, Lamprocerini, Lampyrini, Photinini, and Pleotomini in the subfamily Lampyrinae (Coleoptera: Lampyridae). We present evidence for the correct year of description of Calotrachelum flavolineatum Pic, 1941, Diaphanes lateapicalis breveapicalis Pic, 1954, Photinus conradti Pic, 1940, and all species described by Charles Émile Blanchard. Spellings are corrected for Diaphanes lateapicalis breveapicalis Pic, 1954, Diaphanes latipennis dartevillei Pic, 1952, Diaphanes longecarinatus Pic, 1955, Diaphanes moultoni latemarginatus Pic, 1938, Lampyris olivieriana von Heyden, 1890, and Photinus reductemarginalis Pic, 1941. We propose Lucidota puertoestrellaensis Keller and Martin nomen novum to replace Lucidota boliviana Pic, 1927, and Photinus laticollis brasiliensis Keller and Martin nomen novum for Photinus laticollis latior Pic, 1941. Seventy taxa described as variations or aberrations in the tribes Cratomorphini, Lamprocerini, Lampyrini, Photinini, and Pleotomini in the subfamily Lampyrinae by McDermott (1966), are evaluated to subspecies with their availability determined based on ICZN (1999: Article 45.6). Photinus motschulskyi Zaragoza-Caballero, Zurita-Garcia, and Ramírez-Ponce, 2023 is synonymized under Photinus intercalatus Gemminger, 1870. Lastly, we correct the type species of the genus Lucidina Gorham, 1833, and address the dates of publication for fireflies described by Blanchard.
ZooBank registration. urn:lsid:zoobank.org:pub:DCD31B02-DF17-4115-A9A8-A6CBB02D8684
The genus Lichnanthe Burmeister (Coleoptera: Scarabaeoidea: Glaphyridae) has been comprised of eight Nearctic species and contains the only New World members of their family. Here, two new species of arenicolous bumblebee scarabs are described from the central United States. The recent discovery of an undescribed Wyoming species led to the reevaluation of a dubious 134-year-old Nebraska Lichnanthe specimen, indicating that it also was an undescribed species. These two species, Lichnanthe brusti new species from central Wyoming and L. bruneri new species from central Nebraska are immediately distinguishable from all existing species of the genus by their square mandibles.
ZooBank registration. urn:lsid:zoobank.org:pub:401927DA-66D9-47A1-AE68-965210824713
Anthrenus (Anthrenus) muehlei, a new species (Coleoptera: Dermestidae: Megatominae) from Iran
(2024)
A new species, Anthrenus muehlei Holloway and Herrmann (Coleoptera: Dermestidae: Megatominae), from Iran is described. Images of internal and external features are presented. Only female specimens were found and described, but the bursa copulatrix contains obvious sclerites enabling easy differentiation from all other known species from the Palaearctic A. pimpinellae complex. The possible function and taxonomic implication of the sclerites is mentioned.
ZooBank registration. urn:lsid:zoobank.org:pub:97661C20-803E-4785-A4B0-58B16C94D9A2
Residual connections have been proposed as an architecture-based inductive bias to mitigate the problem of exploding and vanishing gradients and increased task performance in both feed-forward and recurrent networks (RNNs) when trained with the backpropagation algorithm. Yet, little is known about how residual connections in RNNs influence their dynamics and fading memory properties. Here, we introduce weakly coupled residual recurrent networks (WCRNNs) in which residual connections result in well-defined Lyapunov exponents and allow for studying properties of fading memory. We investigate how the residual connections of WCRNNs influence their performance, network dynamics, and memory properties on a set of benchmark tasks. We show that several distinct forms of residual connections yield effective inductive biases that result in increased network expressivity. In particular, those are residual connections that (i) result in network dynamics at the proximity of the edge of chaos, (ii) allow networks to capitalize on characteristic spectral properties of the data, and (iii) result in heterogeneous memory properties. In addition, we demonstrate how our results can be extended to non-linear residuals and introduce a weakly coupled residual initialization scheme that can be used for Elman RNNs.
Brecht zufolge birgt die Frage nach den Verpflichtungen der Kunst eine unauflösbare Dialektik: Kunst und politischer Zweck sind einander nicht äußerlich, ihre Beziehung ist nicht durch Konflikt oder gegenseitigen Ausschluss gekennzeichnet, sondern vielmehr durch das Versprechen schöpferischer Reibung und gegenseitiger Bereicherung. Dies entspricht nicht der Art und Weise, in der die Literaturwissenschaft traditionell über die Beziehung der Literatur zur Sphäre der Politik nachgedacht hat. Sie hat vielmehr dazu geneigt, den Versuch, Kunst als politische Arbeit zu begreifen, als Kategorienfehler zubetrachten - als eine von außen herangetragene Zumutung, die beiden schadet: der Kunst und der Politik. [...] Wenn wir verschüttete literaturgeschichtliche Genealogien wiederherstellen, um der theoretischen Untersuchung alternative Wege aufzuzeigen, orientieren wir uns an neueren Bemühungen, ausgewählte Episoden politisierten Schreibens nicht als literaturgeschichtliche Anomalien zu betrachten, sondern als Schlüsselmomente in der Konfiguration der Beziehung zwischen Literatur und Politik - als einflussreiche Epizentren interventionistischer Kunst, von denen aus Debatten über Literaturpolitik und Praktiken engagierten Schreibens in neue und global ausgedehnte Kontexte ausstrahlen können. Die von uns vorgeschlagene Periodisierung verbindet experimentell drei Perioden intensiv politisierter und aktivistischer Kunst und Schriftstellerei: die Zwischenkriegszeit, die langen 1960er Jahre und die Gegenwart. Damit sollen alternative Traditionen sichtbar gemacht werden, die Raymond Williams zufolge oft an den Rändern des Jahrhunderts zurückgelassen wurden. Diese Periodisierung verzichtet auch bewusst darauf, eine einzige oder eindeutige Geschichte politisierter Literatur nachzuzeichnen.
Let's call it Nachbarschaft
(2024)
Im Sommer 2023 zogen das ZfL, das ZAS und die gemeinsame Verwaltung der Geisteswissenschaftlichen Zentren Berlin aus der Schützenstraße in Berlin-Mitte nach Wilmersdorf. In dem an der Pariser Str. 1, Ecke Meierottostr. 8 neu errichteten Gebäude ACHTUNDEINS von Eike Becker_Architekten bespielen die Zentren nun insgesamt drei Etagen. Im Erdgeschoss befinden sich, von außen einsehbar, die Forschungsbibliotheken von ZfL und ZAS sowie der Eberhard-Lämmert-Saal. Während des Neujahrsempfangs, mit dem sich ZfL, ZAS und die GWZ am 11. Januar 2024 der unmittelbaren Nachbarschaft vorstellten, entstand die Idee zu dieser Glosse.
In a similar way to dramatic performances and plays, song lyrics establish a complex discourse structure whereby listeners are placed in a position to overhear ‘the pretence of a conversation constructed to convey the performer’s meaning’ (Nahajec 2019: 25; see also Short 1996: 169). In Taylor Swift’s songwriting, listeners are positioned not only to eavesdrop on the narratives presented but are also invited to conceptualise and enact particular roles and scenarios in the discourse. This paper offers a stylistic analysis of songwriting and narrative structure across Swift’s oeuvre to identify how disnarration strategies are used to build stories in her two sister albums written and produced during the Covid-19 pandemic, folklore (2020) and evermore (2020). Specifically, this study examines how disnarration characterises the albums’ narrators, establishes narrator-narratee relationships and invites listeners to adopt a participatory role in the meaning-making process. Through close analysis of four songs across the two albums, this paper builds on developing studies of the stylistics of songwriting (see West 2019) and argues that disnarration strategies foreground particular themes within the discourse, such as nostalgia, wistfulness and regret, and contribute to the fictionalisation and self-aware storytelling characteristic of these albums’ storyworlds.
The Federal Reserve has been publishing federal funds rate prescriptions from Taylor rules in its Monetary Policy Report since 2017. The signals from the rules aligned with Fed action on many occasions, but in some cases the Fed opted for a different route. This paper reviews the implications of the rules during the coronavirus pandemic and the subsequent inflation surge and derives projections for the future.
In 2020, the Fed took the negative prescribed rates, which were far below the effective lower bound on the nominal interest rate, as support for extensive and long-lasting quantitative easing. Yet, the calculations overstate the extent of the constraint, because they neglect the supply side effects of the pandemic.
The paper proposes a simple model-based adjustment to the resource gap used by the rules for 2020. In 2021, the rules clearly signaled the need for tightening because of the rise of inflation, yet the Fed waited until spring 2022 to raise the federal funds rate. With the decline of inflation over the course of 2023, the rules’ prescriptions have also come down. They fall below the actual federal funds rate target range in 2024. Several caveats concerning the projections of the interest rate prescriptions are discussed.
Although iron-based catalysts are regarded as a promising alternative to precious metal catalysts, their precise electronic structures during catalysis still pose challenges for computational descriptions. A particularly urgent question is the influence of the environment on the electronic structure, and how to describe this properly with computational methods. Here, we study an iron porphyrin chloride complex adsorbed on a graphene sheet using density functional theory calculations to detail how much the electronic structure is influenced by the presence of a graphene layer. Our results indicate that weak interactions due to van der Waals forces dominate between the porphyrin complex and graphene, and only a small amount of charge is transferred between the two entities. Furthermore, the interplay of the ligand field environment, strong p − d hybridization, and correlation effects within the complex are strongly involved in determining the spin state of the iron ion. By bridging molecular chemistry and solid state physics, this study provides first steps towards a joint analysis of the properties of iron-based catalysts from first principles.
Determining the structure and mechanisms of all individual functional modules of cells at high molecular detail has often been seen as equal to understanding how cells work. Recent technical advances have led to a flush of high-resolution structures of various macromolecular machines, but despite this wealth of detailed information, our understanding of cellular function remains incomplete. Here, we discuss present-day limitations of structural biology and highlight novel technologies that may enable us to analyze molecular functions directly inside cells. We predict that the progression toward structural cell biology will involve a shift toward conceptualizing a 4D virtual reality of cells using digital twins. These will capture cellular segments in a highly enriched molecular detail, include dynamic changes, and facilitate simulations of molecular processes, leading to novel and experimentally testable predictions. Transferring biological questions into algorithms that learn from the existing wealth of data and explore novel solutions may ultimately unveil how cells work.
Highlights
• Currently, China has the most publications, ahead of the USA and European countries.
• Research focuses are strictly separated into ecological and material science topics.
• Russia and Ukraine are among the frontrunners with a clear focus on materials science.
• The focus in PFAS research is shifting toward ecological issues.
• A national imbalance can be observed that leaves the low economies behind.
Abstract
The European Commission's current efforts to launch the largest proposal to restrict per- and polyfluoroalkyl substances (PFAS) in history reflect the dire global plight of PFAS accumulation in the environment and their health impacts. While there are existing studies on PFAS research, there is a lack of comprehensive analysis that both covers the entire research period and provides deep insights into global research patterns, incentives, and barriers based on various parameters. We have been able to demonstrate the increasing interest in PFAS research, although citation numbers are declining prematurely. Policy regulations based on proving and establishing the toxicity of PFASs have stimulated research in developed countries and vice versa, with increasing emphasis on ecological aspects. China, in particular, is investing increasingly in PFAS research, but without defining or implementing regulations - with devastating effects. The separation of industrial and environmental research interests is clear, with little involvement of developing countries, even though their exposure to PFAS is devastating. It, therefore, requires increased globally networked and multidisciplinary approaches to address PFAS contamination challenges.
Motivated by the question of the impact of selective advantage in populations with skewed reproduction mechanisms, we study a Moran model with selection. We assume that there are two types of individuals, where the reproductive success of one type is larger than the other. The higher reproductive success may stem from either more frequent reproduction, or from larger numbers of offspring, and is encoded in a measure Λ for each of the two types. Λ-reproduction here means that a whole fraction of the population is replaced at a reproductive event. Our approach consists of constructing a Λ-asymmetric Moran model in which individuals of the two populations compete, rather than considering a Moran model for each population. Provided the measure are ordered stochastically, we can couple them. This allows us to construct the central object of this paper, the Λ−asymmetric ancestral selection graph, leading to a pathwise duality of the forward in time Λ-asymmetric Moran model with its ancestral process. We apply the ancestral selection graph in order to obtain scaling limits of the forward and backward processes, and note that the frequency process converges to the solution of an SDE with discontinuous paths. Finally, we derive a Griffiths representation for the generator of the SDE and use it to find a semi-explicit formula for the probability of fixation of the less beneficial of the two types.
IHMCIF: an extension of the PDBx/mmCIF data standard for integrative structure determination methods
(2024)
IHMCIF (github.com/ihmwg/IHMCIF) is a data information framework that supports archiving and disseminating macromolecular structures determined by integrative or hybrid modeling (IHM), and making them Findable, Accessible, Interoperable, and Reusable (FAIR). IHMCIF is an extension of the Protein Data Bank Exchange/macromolecular Crystallographic Information Framework (PDBx/mmCIF) that serves as the framework for the Protein Data Bank (PDB) to archive experimentally determined atomic structures of biological macromolecules and their complexes with one another and small molecule ligands (e.g., enzyme cofactors and drugs). IHMCIF serves as the foundational data standard for the PDB-Dev prototype system, developed for archiving and disseminating integrative structures. It utilizes a flexible data representation to describe integrative structures that span multiple spatiotemporal scales and structural states with definitions for restraints from a variety of experimental methods contributing to integrative structural biology. The IHMCIF extension was created with the benefit of considerable community input and recommendations gathered by the Worldwide Protein Data Bank (wwPDB) Task Force for Integrative or Hybrid Methods (wwpdb.org/task/hybrid). Herein, we describe the development of IHMCIF to support evolving methodologies and ongoing advancements in integrative structural biology. Ultimately, IHMCIF will facilitate the unification of PDB-Dev data and tools with the PDB archive so that integrative structures can be archived and disseminated through PDB.
The Russian invasion of Ukraine illustrates the increasingly judicialized nature of international relations and geopolitics. By viewing aspects of the invasion as illegal – in particular through the identification of war crimes and crimes against humanity – the international response draws attention to the political geographies of international criminal investigation. Human rights groups, academics, journalists, and open-source forensic investigations have joined forces to collect, evaluate and analyze the violent nature of war crimes. While similar shifts in evidence gathering have been observed in the case of the Bosnia-Herzegovina war and the Assad regime's violence against Syrian citizens, the use of evidence-gathering technologies and evidence-securing institutions in the case of Ukraine is distinctive. In this scholarly intervention we seek to illustrate the intimate geopolitics of evidence gathering by zooming in on two different elements that shape evidential procedures in Ukraine: i) the blurring of civilian/military boundaries; and ii) the challenges of access. By evaluating what is new and what is similar to previous war sites, we suggest that these two areas reflect a geopolitics of evidence gathering, highlighting its global-local intimacies. Both these areas are well positioned to foster new research on the (geo)legal nature of war crimes in political geography and beyond.
Studying the neural basis of human dynamic visual perception requires extensive experimental data to evaluate the large swathes of functionally diverse brain neural networks driven by perceiving visual events. Here, we introduce the BOLD Moments Dataset (BMD), a repository of whole-brain fMRI responses to over 1,000 short (3s) naturalistic video clips of visual events across ten human subjects. We use the videos’ extensive metadata to show how the brain represents word- and sentence-level descriptions of visual events and identify correlates of video memorability scores extending into the parietal cortex. Furthermore, we reveal a match in hierarchical processing between cortical regions of interest and video-computable deep neural networks, and we showcase that BMD successfully captures temporal dynamics of visual events at second resolution. With its rich metadata, BMD offers new perspectives and accelerates research on the human brain basis of visual event perception.
The ubiquitin (Ub) code denotes the complex Ub architectures, including Ub chains of different length, linkage-type and linkage combinations, which enable ubiquitination to control a wide range of protein fates. Although many linkage-specific interactors have been described, how interactors are able to decode more complex architectures is not fully understood. We conducted a Ub interactor screen, in humans and yeast, using Ub chains of varying length, as well as, homotypic and heterotypic branched chains of the two most abundant linkage types – K48- and K63-linked Ub. We identified some of the first K48/K63 branch-specific Ub interactors, including histone ADP-ribosyltransferase PARP10/ARTD10, E3 ligase UBR4 and huntingtin-interacting protein HIP1. Furthermore, we revealed the importance of chain length by identifying interactors with a preference for Ub3 over Ub2 chains, including Ub-directed endoprotease DDI2, autophagy receptor CCDC50 and p97-adaptor FAF1. Crucially, we compared datasets collected using two common DUB inhibitors – Chloroacetamide and N-ethylmaleimide. This revealed inhibitor-dependent interactors, highlighting the importance of inhibitor consideration during pulldown studies. This dataset is a key resource for understanding how the Ub code is read.
Zinc finger (ZnF) domains appear in a pool of structural contexts and despite their small size achieve varying target specificities, covering single-stranded and double-stranded DNA and RNA as well as proteins. Combined with other RNA-binding domains, ZnFs enhance affinity and specificity of RNA-binding proteins (RBPs). The ZnF-containing immunoregulatory RBP Roquin initiates mRNA decay, thereby controlling the adaptive immune system. Its unique ROQ domain shape-specifically recognizes stem-looped cis-elements in mRNA 3’-untranslated regions (UTR). The N-terminus of Roquin contains a RING domain for protein-protein interactions and a ZnF, which was suggested to play an essential role in RNA decay by Roquin. The ZnF domain boundaries, its RNA motif preference and its interplay with the ROQ domain have remained elusive, also driven by the lack of high-resolution data of the challenging protein. We provide the solution structure of the Roquin-1 ZnF and use an RBNS-NMR pipeline to show that the ZnF recognizes AU-rich elements (ARE). We systematically refine the contributions of adenines in a poly(U)-background to specific complex formation. With the simultaneous binding of ROQ and ZnF to a natural target transcript of Roquin, our study for the first time suggests how Roquin integrates RNA shape and sequence specificity through the ROQ-ZnF tandem.
G protein-coupled receptors (GPCRs) play a crucial role in modulating physiological responses and serve as the main drug target. Specifically, salmeterol and salbutamol which are used for the treatment of pulmonary diseases, exert their effects by activating the GPCR β2-adrenergic receptor (β2AR). In our study, we employed coarse-grained molecular dynamics simulations with the Martini 3 force field to investigate the dynamics of drug molecules in membranes in presence and absence of β2AR. Our simulations reveal that in more than 50% of the flip-flop events the drug molecules use the β2AR surface to permeate the membrane. The pathway along the GPCR surface is significantly more energetically favorable for the drug molecules, which was revealed by umbrella sampling simulations along spontaneous flip-flop pathways. Furthermore, we assessed the behavior of drugs with intracellular targets, such as kinase inhibitors, whose therapeutic efficacy could benefit from this observation. In summary, our results show that β2AR surface interactions can significantly enhance membrane permeation of drugs, emphasizing their potential for consideration in future drug development strategies.
Motivated by the question of the impact of selective advantage in populations with skewed reproduction mechanims, we study a Moran model with selection. We assume that there are two types of individuals, where the reproductive success of one type is larger than the other. The higher reproductive success may stem from either more frequent reproduction, or from larger numbers of offspring, and is encoded in a measure Λ for each of the two types. Our approach consists of constructing a Λ-asymmetric Moran model in which individuals of the two populations compete, rather than considering a Moran model for each population. Under certain conditions, that we call the "partial order of adaptation", we can couple these measures. This allows us to construct the central object of this paper, the Λ−asymmetric ancestral selection graph, leading to a pathwise duality of the forward in time Λ-asymmetric Moran model with its ancestral process. Interestingly, the construction also provides a connection to the theory of optimal transport. We apply the ancestral selection graph in order to obtain scaling limits of the forward and backward processes, and note that the frequency process converges to the solution of an SDE with discontinous paths. Finally, we derive a Griffiths representation for the generator of the SDE and use it to find a semi-explicit formula for the probability of fixation of the less beneficial of the two types.
The chenopodium aphid, Hayhurstia atriplicis (Linnaeus, 1761) (Hemiptera: Aphididae), is reported for the first time in Colombia. The aphid was found on the aerial parts of the quinoa plant, Chenopodium quinoa Willd. (Amaranthaceae), especially on the leaves, in five municipalities in the department of Cauca, Colombia. Brief information on its natural enemies, distribution and biology is provided. This is the only aphid in Colombia known to cause malformations on the leaves of quinoa plants. In South America, this aphid has been found previously only in Ecuador, where it was reported for the first time in 2023 based on specimens collected from 2019 to 2021. However, we report that H. atriplicis was likely introduced to Ecuador in the 2000s or earlier, based on a collection dated 2006 found in the United States National Museum of Natural History.
ZooBank registration. urn:lsid:zoobank.org:pub:F43613E0-2854-44DE-9654-74138909717D
First record of the beekeeping pest Aethina tumida Murray (Coleoptera: Nitidulidae) for Honduras
(2024)
Aethina tumida Murray (Coleoptera: Nitidulidae) (also known as the small hive beetle), an important pest in apiaries, is reported from Honduras for the first time, new country record. The precise distribution in the country is unknown, and no damage related to it has been observed. Photographs are provided to aid in its identification. Differentiation of A. tumida from Aethina villosa Reitter and Aethina quadrata Sharp, which also occur in Honduras, is provided.
ZooBank registration. urn:lsid:zoobank.org:pub:DAF12C6A-0F8C-4151-9C4D-F191CCC4032F
Three species of false click beetles (Coleoptera: Eucnemidae) are added to the Nearctic fauna. One new species, Isorhipis bicolor, is described from a small series collected in Florida, U.S.A. Eighteen specimens collected from Georgia were identified as Dyscharachthis amplicollis (Fleutiaux), new U.S.A. records for a species previously taken from Japan and Southeast Asia. Examination of a series of eucnemids collected by Kyle Schnepp in Florida allowed me to revisit the Deltometopus fauna in eastern North America. Antennal structures present in a series of male specimens in the loan and past examined specimens are definitive enough to resurrect Deltometopus ereptus Bonvouloir, status restored, from synonymy with Deltometopus amoenicornis (Say). Species identification keys are provided for Deltometopus Bonvouloir and Isorhipis Boisduval and Lacordaire in the Nearctic region. Diagnostic differences are briefly noted for each of the three newly added species found in the United States. Images of three species and the related D. amoenicornis are provided.
ZooBank registration. urn:lsid:zoobank.org:pub:30F462F1-966F-4A4F-9D10-BF967AED6574
Im November durfte er seinen 77. Geburtstag feiern, von Ruhestand ist aber noch keine Spur. Gerade bereitet er sich in seinem Büro über der Neuen Mensa am alten Campus in Bockenheim mit großem Elan auf die nächste Seminarsitzung vor. »Die Lehre an der Universität wie an Fachhochschulen war mir nie eine Last. Ich habe versucht, die Studierenden zu motivieren oder bei Bedarf gar zu provozieren, um zu kommunizieren, weil wir alle viel mehr von gegenseitigem Austausch haben«, sagt Ludwig Salgo. Zahlreiche Studierende der Sozialen Arbeit, aus der Rechtswissenschaft, aber auch aus der Erziehungswissenschaft haben seine Veranstaltungen besucht; etliche Juristinnen und Juristen haben bei ihm promoviert, sich für die pädagogische oder juristische Laufbahn qualifiziert. Sein zentrales Thema in Forschung und Lehre: das Verhältnis Eltern-Kind-Staat. Anfang 2012 ging er in den Ruhestand, doch die Lehre blieb vorerst seine große Passion. Jetzt beendet er seine Seniorprofessur an der Goethe-Universität zum Semesterende nach zehn Jahren: »Nun ist es genug«, sagt er. In der Fortbildung für Jugendämter, Verfahrensbeistände und Juristen, auch in Stiftungen und Verbänden, hier vor allem im Kinderschutzbund in Frankfurt, möchte er weiterhin aktiv bleiben, auch um für das Thema Kindeswohl zu sensibilisieren. Dass er dann mehr Zeit für seine große Leidenschaft haben wird, freut ihn: »Ich leide an der Melomanie«, sagt der passionierte Freund klassischer Musik. »Wie Nietzsche treffenderweise einmal bemerkt hat, wäre das Leben ohne Musik ein Irrtum.«
We describe a new species of karst-dwelling pitviper from Chumphon Province of Peninsular Thailand, in the Isthmus of Kra, based on morphological and molecular data (2427 bp from cyt b, ND4 and 16S rRNA mitochondrial DNA genes). Morphologically, Trimeresurus kraensis sp. nov. is distinguished from other congeners by the following combination of morphological characters: a dark/bottle-green dorsum with reddish-brown or purple crossbands; pale green venter lacking dark dots; stripes present on the lateral sides of the ventrals; internasals generally in contact; one large supraocular scale on each side of the head; iris pale copper; tail brown with dark purplish-brown crossbars; dorsal scales in 21–21–15 rows; ventral scales 167 in a single male, 169–171 in females; subcaudal scales 62 in a single male, 52–54 in females, all paired. White vertebral spots present in males, located on approximately every two or four dorsal scales; dark brown spots forming discontinuous pattern present on 1–3 lateral dorsal scale rows; males with reddish-brown postocular stripe with jagged edges. The new species differs from the morphologically similar species Trimeresurus venustus s. str. by a notable divergence in cytochrome b mitochondrial DNA gene sequences (p = 5.9%).
In the vast abyssal plains northwest of Iceland, white glass sponges of the genus Caulophacus Schulze, 1886 were inhabited by reddish Bythocaris G.O. Sars, 1870 shrimps and pinkish amphipods. After in situ observations at 3700 m depth, in -1°C waters by a remotely operated vehicle, members of this assemblage were collected and preserved for molecular studies. Based on integrative taxonomic analyses, the amphipods were identified as a new species of the genus Halirages Boeck, 1871 – Halirages spongiae sp. nov. Lörz, Nack & Tandberg –, as described in detail below. Part of our integrative approach was to establish reference DNA barcodes for known species of Halirages. However, our investigation of material of Calliopiidae G.O. Sars, 1895 collected around Iceland and Norway revealed slight morphological discrepancies in all the described species of Halirages. Except for Halirages fulvocinctus (M. Sars, 1858), none of the encountered specimens of Calliopiidae fully matched a current species description. We illuminate the morphological characteristics of nine operational taxonomic units, which also represented clades in COI and 28S. We set the Icelandic samples in the context of Halirages from Canada and Norway. A key to the world species of Halirages is provided.
Highlights
• Seed size mediates seedling recruitment in tropical forests and pastures.
• Large-seeded species recruited better than small-seeded species in the forest.
• Recruitment of large-seeded species in pastures was limited by surface temperature.
• Large-seeded species should be protected against drought in regenerating pastures.
Abstract
Seedling recruitment is a key process of plant regeneration that often depends on plant functional traits, such as seed size. To optimize forest restoration efforts, we need to better understand how seedling recruitment of different seed sizes varies along environmental gradients with strong variation in abiotic and biotic factors. To understand these interacting effects, we conducted a sowing experiment with different-sized seeds in forests and pastures in the tropical mountains of southern Ecuador. We quantified seedling recruitment in relation to temperature, soil moisture and biotic pressures. We sowed seeds of five tree species of varying seed size at three elevations (1000, 2000 and 3000 m a.s.l.) in primary forest and pastures. We tested (1) how habitat type influences the recruitment of seedlings belonging to three small- and two large-seeded species, and (2) how abiotic and biotic factors limit seedling recruitment of species with different seed sizes. We found that seedlings of the two large-seeded species recruited better than seedlings of the three small-seeded species, but only in the forest habitat. Seedling recruitment of large seeds was primarily limited by high surface temperature, which explains lower recruitment of large seeds in pastures compared to forests. Our study shows that seed size can be a key trait mediating variability in seedling recruitment in tropical ecosystems. We conclude that restoration measures should aim to mitigate extreme temperatures in tropical pastures to aid the natural regeneration of large-seeded tree species.
Highlights
• Six Newton methods for solving matrix quadratic equations in linear DSGE models.
• Compared to QZ using 99 different DSGE models including Smets and Wouters (2007).
• Newton methods more accurate than QZ with comparable computation burden.
• Apt for refining solutions from alternative methods or nearby parameterizations.
Abstract
This paper presents and compares Newton-based methods from the applied mathematics literature for solving the matrix quadratic that underlies the recursive solution of linear DSGE models. The methods are compared using nearly 100 different models from the Macroeconomic Model Data Base (MMB) and different parameterizations of the monetary policy rule in the medium-scale New Keynesian model of Smets and Wouters (2007) iteratively. We find that Newton-based methods compare favorably in solving DSGE models, providing higher accuracy as measured by the forward error of the solution at a comparable computation burden. The methods, however, suffer from their inability to guarantee convergence to a particular, e.g. unique stable, solution, but their iterative procedures lend themselves to refining solutions either from different methods or parameterizations.
The hierarchical feature regression (HFR) is a novel graph-based regularized regression estimator, which mobilizes insights from the domains of machine learning and graph theory to estimate robust parameters for a linear regression. The estimator constructs a supervised feature graph that decomposes parameters along its edges, adjusting first for common variation and successively incorporating idiosyncratic patterns into the fitting process. The graph structure has the effect of shrinking parameters towards group targets, where the extent of shrinkage is governed by a hyperparameter, and group compositions as well as shrinkage targets are determined endogenously. The method offers rich resources for the visual exploration of the latent effect structure in the data, and demonstrates good predictive accuracy and versatility when compared to a panel of commonly used regularization techniques across a range of empirical and simulated regression tasks.
SAFE Update April 2024
(2024)
The ALICE Collaboration reports a differential measurement of inclusive jet suppression using pp and Pb−Pb collision data at a center-of-mass energy per nucleon-nucleon collision sNN−−−√=5.02 TeV. Charged-particle jets are reconstructed using the anti-kT algorithm with resolution parameters R= 0.2, 0.3, 0.4, 0.5, and 0.6 in pp collisions and R= 0.2, 0.4, 0.6 in central (0−10%), semi-central (30−50%), and peripheral (60−80%) Pb−Pb collisions. A novel approach based on machine learning is employed to mitigate the influence of jet background. This enables measurements of inclusive jet suppression in new regions of phase space, including down to the lowest jet pT≥40 GeV/c at R=0.6 in central Pb−Pb collisions. This is an important step for discriminating different models of jet quenching in the quark-gluon plasma. The transverse momentum spectra, nuclear modification factors, derived cross section, and nuclear modification factor ratios for different jet resolution parameters of charged-particle jets are presented and compared to model predictions. A mild dependence of the nuclear modification factor ratios on collision centrality and resolution parameter is observed. The results are compared to a variety of jet-quenching models with varying levels of agreement.
We document the individual willingness to act against climate change and study the role of social norms in a large sample of US adults. Individual beliefs about social norms positively predict pro-climate donations, comparable in strength to universal moral values and economic preferences such as patience and reciprocity. However, we document systematic misperceptions of social norms. Respondents vastly underestimate the prevalence of climate-friendly behaviors and norms. Correcting these misperceptions in an experiment causally raises individual willingness to act against climate change as well as individual support for climate policies. The effects are strongest for individuals who are skeptical about the existence and threat of global warming.
The beetle genus Pharaxonotha Reitter (Coleoptera: Erotylidae: Pharaxonothinae) is found in the cones of cycad genera in the New World, including species of Ceratozamia Brongn., Dioon Lindl., Microcycas (Miq.) A.DC and Zamia L. Its presence and diversity are analyzed for the 17 species of Zamia known to occur in Panama. Nine species are recognized, and five new species are described: Pharaxonotha clarkorum Pakaluk, P. confusa Pakaluk, P. fortunensis Tang, Skelley and Taylor new species, P. holzmani Tang, Skelley and Taylor new species, P. kirschii Reitter, P. manicatae Tang, Skelley and Taylor new species, P. panamensis Tang, Skelley and Taylor new species, P. pseudoparasitica Tang, Skelley and Taylor new species, and P. taylori Skelley and Tang. A key to species of Pharaxonotha in Panama is presented.
ZooBank registration. urn:lsid:zoobank.org:pub:C054B0D4-FD00-4AE7-BBA7-C75A12368561
An overview of the genus Psephenops Grouvelle (Coleoptera: Psephenidae: Psepheninae) is provided with geographic distributions of the species. The taxonomic history of Psephenops smithi Grouvelle, the type species from Grenada and St. Vincent, and junior synonym Xexanchorinus latus Grouvelle from Grenada, is discussed, and lectotypes and paralectotypes are designated for both. Photographs of the type series and a non-type specimen with illustrated male genitalia, along with new distributional information for the species, are provided. The male, female, and associated larva of Psephenops trini Barr and Shepard, new species, are described and illustrated, as is the habitat of this species in Trinidad and Tobago. The Peruvian species Psephenus robacki Spangler is transferred from Psephenus Haldeman to Psephenops as Psephenops robacki (Spangler) new combination. Photographs of the female holotype are included, and possible new distributional records from Peru are reported.
ZooBank registration. urn:lsid:zoobank.org:pub:5C9ECB63-6A77-4FF6-8391-BF0F77BE5674
Pseudococcus longispinus (Targioni-Tozzetti) (Hemiptera: Pseudococcidae) is a widely-distributed pest that feeds on many economically important hosts, particularly tropical fruits and ornamentals. The potential distribution of this mealybug pest in South Korea remains a primary concern because of its high incidence of interceptions screened during inspection. Hence, this species prompted a modelling effort to assess its potential risk of introduction. Potential risk maps were developed for this pest with a CLIMEX model based on occurrence records under environmental data. The potential distribution of these pests in South Korea in the 2020s, 2050s and 2090s was projected based on the RCP 8.5 climate change scenario. Results showed that P. longispinus has little potential for invasion in the outdoor environment of South Korea due to high cold stress in the 2020s. However, some locations in Jejudo were predicted to be marginally suitable under future climate factors. In that respect, the results of this model prediction could be used to prepare a risk-based surveying program that improves the probability of detecting early P. longispinus populations.
ZooBank registration. urn:lsid:zoobank.org:pub:9E0CBFE6-E1AA-4B55-9E58-70B170E0FBD8
A new species, Chlorocoris charluzae Thomas (Hemiptera: Heteroptera: Pentatomidae), is described from Panama. Eludocoris grandis Thomas is reported from Panama for the first time. The distribution of Chlorocoris rufispinus Dallas to include Panama is confirmed. Arawacoris Thomas, described as a subgenus of Chlorocoris Spinola, is elevated to full genus.
ZooBank registration. urn:lsid:zoobank.org:pub:F4E45B6C-5BD8-4B3E-B599-3BB61855B392
Pears, Pyrus pyrifolia (Burm.f.) Nak. (Rosaceae) are one of the most widely grown fruit trees in South Korea. Approximately 11% of the total pear production in 2022 was exported to countries such as the US and Vietnam. Exported pears must be free of pest species that are considered of quarantine importance by the importing countries. Herein, a list of scale insects (Hemiptera: Coccomorpha) associated with pear trees is updated. Additionally, Spilococcus pacificus (Borchsenius) is added to the list of mealybugs affecting pears in South Korea and is briefly diagnosed based on non-type specimens and illustrated using photographs. Information on its distribution and plant hosts are also provided.
ZooBank registration. urn:lsid:zoobank.org:pub:48A93063-EB78-402F-82CE-168540C90FE2
Highlights
• High resolution profile of C. pipiens' sugar diet has been obtained using UHPLC-MS.
• Artificial feeding using ornamental plants provides similar sugar profiles as observed in field collected mosquitoes.
• Metabolomic profiling found secondary metabolites and pollutants of anthropogenic use.
Abstract: Culex pipiens (Linnaeus, 1758) mosquitoes search plant sources of sugars to cope with the energetic demand of various physiological processes. The crop as part of the digestive system is devoted to the storage of sugar-based meal obtained from various nectars sources. The profiling of sugars and metabolites in the Culex pipiens’ crop is scarce, and only few studies used Liquid Chromatography – Mass Spectrometry (LC-MS), which provides broad detection for biomonitoring environmental substances and even contaminants in the sugar diet of mosquitoes populations.
Therefore, sugar and metabolite profiling were performed on crops obtained from mosquitoes exposed to plant nectar under laboratory or natural conditions by Ultra High-Performance LC-MS (UHPLC-MS). This method allowed us a precise quantitative and qualitative identification of sugar diet and associated environmental compounds in the crop of the mosquito C. pipiens. Under laboratory condition, mosquitoes were allowed to feed on either glucose solution, commercially-available flowers or field collected flowers. In addition, we collected mosquitoes from the field to compare those crop metabolomes with metabolome patterns occurring after nectar feeding in the lab.
The sugar quantities and quality obtained from the crops of mosquitoes collected in the field were similar to those crops obtained from mosquitoes that fed on commercially-available flowers and from field collected flowers with a limit of detection of 10 μg/L for sucrose, glucose and sucrose. Next to sugar compounds, we identified 2 types of amino acids, 12 natural products, and 9 pesticides.
Next to the diversity of sugar compounds, we could confirm that secondary metabolites and environmental pollutants are typically up taken from floral nectar sources by C. pipiens. The in-depth knowledge on mosquito–plant interactions may inspire the development and further optimization of mosquito trap systems and arboviral surveillance systems.
The subgenus Indonthophagus Kabakov, 2006 of Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini) is reviewed. A morphological definition of it is provided. A diagnosis, based both on external and internal characters, of the seven species deemed to belong to the group according to literature, is supplied. As a result, Onthophagus spinifex (Fabricius, 1781), previously placed with some uncertainty in the subgenus, is definitively excluded. A key to Indonthophagus species is also provided, as well as images of male, aedeagus and endophallus for each species. New country records of Onthophagus turbatus Walker, 1858 for Pakistan, Nepal and Bhutan are given.
ZooBank registration. urn:lsid:zoobank.org:pub:9D0CE9F2-35CF-449D-8984-1B4C722762F7
Members of the genus Centris Fabricius (Hymenoptera: Apoidea: Anthophila) constitute a significant component of the Neotropical (including insular) bee fauna, exhibiting high species richness, a moderate to large body size, and extensive interactions with various important plant groups. Females of most species possess specialized morphology adapted for collecting oils from flowers. This study documents the presence of the genus in Cuba, recognizing six species: C. aethiops Cresson, C. cornuta Cresson, C. fulviventris Cresson, C. poecila Lepeletier, C. taina Genaro and Breto new species, and C. tarsata F. Smith. Detailed information is provided for each species, encompassing a diagnosis, natural history, floral associations, seasonal occurrence, and distribution. Centris taina new species is described from Cuba, based on both sexes, which were previously misidentified as C. versicolor (Fabr.) for females and C. fasciatus F. Smith for males due to sexual dimorphism. Centris tarsata is reported as a new national record for Cuba, possibly introduced by humans from South America and now established and widely distributed across the entire island. A key to differentiate the Cuban species of Centris is presented.
ZooBank registration. urn:lsid:zoobank.org:pub:257916DF-2129-4694-876C-49C858046BF6
The two-particle momentum correlation functions between charm mesons (D∗± and D±) and charged light-flavor mesons (π± and K±) in all charge-combinations are measured for the first time by the ALICE Collaboration in high-multiplicity proton-proton collisions at a center-of-mass energy of s√=13 TeV. For DK and D∗K pairs, the experimental results are in agreement with theoretical predictions of the residual strong interaction based on quantum chromodynamics calculations on the lattice and chiral effective field theory. In the case of Dπ and D∗π pairs, tension between the calculations including strong interactions and the measurement is observed. For all particle pairs, the data can be adequately described by Coulomb interaction only, indicating a shallow interaction between charm and light-flavor mesons. Finally, the scattering lengths governing the residual strong interaction of the Dπ and D∗π systems are determined by fitting the experimental correlation functions with a model that employs a Gaussian potential. The extracted values are small and compatible with zero.
U.S. port of entry interception data revealed that Frankliniella Karny (Thysanoptera: Thripidae) was the most frequently intercepted genus of Thripidae. No published identification resource for intercepted Frankliniella is available to USDA port of entry entomology identifiers. A morphological review of intercepted species was conducted. A dichotomous key for the identification of intercepted slide mounted adult females was created. Morphological diagnosis, description of each species with their geographic region(s) of origin and frequency of interception is provided.
ZooBank registration. urn:lsid:zoobank.org:pub:403B362E-9A7F-4385-A0F1-9DB87FE09AD2
For genus g=r(r+1)2+1, we prove that via the forgetful map, the universal Prym-Brill-Noether locus Rrg has a unique irreducible component dominating the moduli space Rg of Prym curves.
Can prediction error explain predictability effects on the N1 during picture-word verification?
(2024)
Do early effects of predictability in visual word recognition reflect prediction error? Electrophysiological research investigating word processing has demonstrated predictability effects in the N1, or first negative component of the event-related potential (ERP). However, findings regarding the magnitude of effects and potential interactions of predictability with lexical variables have been inconsistent. Moreover, past studies have typically used categorical designs with relatively small samples and relied on by-participant analyses. Nevertheless, reports have generally shown that predicted words elicit less negative-going (i.e., lower amplitude) N1s, a pattern consistent with a simple predictive coding account. In our preregistered study, we tested this account via the interaction between prediction magnitude and certainty. A picture-word verification paradigm was implemented in which pictures were followed by tightly matched picture-congruent or picture-incongruent written nouns. The predictability of target (picture-congruent) nouns was manipulated continuously based on norms of association between a picture and its name. ERPs from 68 participants revealed a pattern of effects opposite to that expected under a simple predictive coding framework.
The hippocampal-dependent memory system and striatal-dependent memory system modulate reinforcement learning depending on feedback timing in adults, but their contributions during development remain unclear. In a 2-year longitudinal study, 6-to-7-year-old children performed a reinforcement learning task in which they received feedback immediately or with a short delay following their response. Children’s learning was found to be sensitive to feedback timing modulations in their reaction time and inverse temperature parameter, which quantifies value-guided decision-making. They showed longitudinal improvements towards more optimal value-based learning, and their hippocampal volume showed protracted maturation. Better delayed model-derived learning covaried with larger hippocampal volume longitudinally, in line with the adult literature. In contrast, a larger striatal volume in children was associated with both better immediate and delayed model-derived learning longitudinally. These findings show, for the first time, an early hippocampal contribution to the dynamic development of reinforcement learning in middle childhood, with neurally less differentiated and more cooperative memory systems than in adults.
Looking beyond ESG preferences: The role of sustainable finance literacy in sustainable investing
(2024)
We assess how sustainable finance literacy affects people’s sustainable investment behavior, using a pre-registered experiment. We find that an increase in sustainable finance literacy leads to a 4 to 5% increase in the probability of investing sustainably. This effect is moderated by sustainability preferences. In the absence of moderate sustainability preferences, any additional increase in sustainable finance literacy is at minimum irrelevant, and we find some evidence that it might even reduce sustainable investments. Our findings underscore the role of knowledge in shaping sustainable investment decisions, highlighting the importance of factors beyond sustainability preferences.
The lipid content of skin plays a determinant role in its barrier function with a particularly important role attributed to linoleic acid and its derivatives. Here we explored the consequences of interfering with the soluble epoxide hydrolase (sEH) on skin homeostasis. sEH; which converts fatty acid epoxides generated by cytochrome P450 enzymes to their corresponding diols, was largely restricted to the epidermis which was enriched in sEH-generated diols. Global deletion of the sEH increased levels of epoxides, including the linoleic acid-derived epoxide; 12,13-epoxyoctadecenoic acid (12,13-EpOME), and increased basal keratinocyte proliferation. sEH deletion (sEH-/- mice) resulted in thicker differentiated spinous and corneocyte layers compared to wild-type mice, a hyperkeratosis phenotype that was reproduced in wild-type mice treated with a sEH inhibitor. sEH deletion made the skin sensitive to inflammation and sEH-/- mice developed thicker imiquimod-induced psoriasis plaques than the control group and were more prone to inflammation triggered by mechanical stress with pronounced infiltration and activation of neutrophils as well as vascular leak and increased 12,13-EpOME and leukotriene (LT) B4 levels. Topical treatment of LTB4 antagonist after stripping successfully inhibited inflammation and neutrophil infiltration both in wild type and sEH-/- skin. While 12,13-EpoME had no effect on the trans-endothelial migration of neutrophils, like LTB4, it effectively induced neutrophil adhesion and activation. These observations indicate that while the increased accumulation of neutrophils in sEH-deficient skin could be attributed to the increase in LTB4 levels, both 12,13-EpOME and LTB4 contribute to neutrophil activation. Our observations identify a protective role of the sEH in the skin and should be taken into account when designing future clinical trials with sEH inhibitors.
The taxa of the subgenus Turritus of Cochlostoma (Cochlostomatidae) are analysed based on molecular and morphological data. The phylogenetic trees, based on ribosomal (16S) and nuclear (H3) DNA, indicate that the currently accepted taxonomy should be revised. Based on our data, there are 37 species in Turritus of which 5 are new to science: Cochlostoma (Turritus) pallgergelyi sp. nov., C. (T. ) muranyii sp. nov., C. (T. ) hallgassi sp. nov., C. (T. ) kontschani sp. nov. and C. (T. ) lacazei sp. nov. Of these, we describe the shells and the female genitalia and summarize the distributional data. Some samples (or set of samples) will remain undetermined for lack of data and these are reported in the appendix.
Bibliometric analysis of research publications would be the basis of the present study which would therefore highlight the inter linkage between the already existing researches which mainly talk about the concept of taxation with respect to it in the sphere of exemption of taxes from a set of organizations. The frequency of the publication on the same would be determined. Keeping in track the frequency of publications about the said exemptions and tax regimes. The topic clearly hasn't got much attention from the researchers. The data was collected from the Scopus and Web of Science database and has been analysed using VOSviewer software. The literature review which was pursued was gathered respectively in order to understand the concept of taxation of these charitable trusts and religious institutions. The study consists of a total of 1773 documents from Scopus and 617 documents from Web of Science (English) which are classified into articles, letters, books and editorial reviews etc. The data which is collected on the same lines would be analysed by the researchers using graphs, tables and charts.
A taxonomic revision of the oil-collecting bees of the subgenus Epicharis (Epicharitides) Moure, 1945 is provided. A total of nine species were recognized: E. cockerelli Friese, 1900; E. duckei Friese, 1901; E. iheringi Friese, 1899; E. luteocincta Moure & Seabra, 1959; E. minima (Friese, 1904); E. obscura Friese, 1899, and E. rufescens Moure & Seabra, 1959, along with E. mesoamericana sp. nov. and E. lia sp. nov., two new species from the Central American and Amazonian provinces, respectively. Redescriptions, diagnoses, and figures of specimens of both sexes, floral records, distribution maps, an identification key, and an updated catalogue of all species of the group are also provided. In addition, the lectotype of E. duckei was also designated to stabilize the application of the name.
Though recent investigations have contributed substantially to our understanding of the Alpine-Dinaric radiation of the genus Zospeum Bourguignat, 1856, its southernmost member, Zospeum troglobalcanicum Absolon, 1916, has remained a taxonomic ghost. The assumed absence of type material, the insufficient original description, and the lack of new samples from its Western Balkan type locality have stymied further clarification. The recent discovery of a single syntype shell housed at the Natural History Museum Vienna now enables the first morphological assessment via 3D X-ray and SEM imaging. Based on this image data, different characters for assessing the southernmost members of the genus are determined and a lectotype is designated. Eleven allied species from 15 Western Balkan populations are described from museum material and recent sampling efforts: Z. amplioscutum Jochum & Ruthensteiner sp. nov., Z. biokovoense Jochum & Ruthensteiner sp. nov., Z. constrictum Jochum & Ruthensteiner sp. nov., Z. dubokidoense Jochum & Ruthensteiner sp. nov., Z. intermedium Jochum & Ruthensteiner sp. nov., Z. kolbae Jochum, Inäbnit, Kneubühler & Ruthensteiner sp. nov., Z. neuberti Jochum & Ruthensteiner sp. nov., Z. njegusiense Jochum & Ruthensteiner sp. nov., Z. njunjicae Jochum, Schilthuizen & Ruthensteiner sp. nov., Z. tortuosum Jochum & Ruthensteiner sp. nov. and Z. tumidum Jochum, Schilthuizen & Ruthensteiner sp. nov. One species, Z. kolbae, is described using DNA sequence data and one species, Z. simplex Inäbnit, Jochum & Neubert, 2021 for which DNA sequence data is already available, is supported by morphological data presented in this study. The DNA sequence dataset (COI, 16S and H3) is included here and implemented in the most recent phylogenetic reconstruction of the genus. A translation of Karel Absolon’s notes from the Balkan scientific expeditions is provided.
Korean immigrants have migrated to New Zealand over the past three decades in search of a happier and more balanced life. While they anticipated that their children would be integrated into New Zealand society, they have primarily settled in Korean ethnic enclaves. In this context, younger Korean New Zealanders have been exposed to and influenced by New Zealand’s national and Korean ethnic cultures. This study examined success beliefs and well-being among Korean youth in New Zealand with a Third Culture Kid background (TCK K-NZ) in comparison to Korean youth in Korea (K-Korean) and European New Zealand youth (Pākehā). Results indicated that TCK K-NZ youth endorsed extrinsic success similarly to K-Korean youth, but that valuing extrinsic success predicted lowered well-being only for K-Korean youth. Conversely, valuing intrinsic success predicted higher well-being across the three groups. Results also revealed that TCK K-NZ youth's well-being levels were between those of K-Korean and Pākehā youth, potentially influenced by different structural relations between success beliefs and well-being, as well as their position as “third culture kids” in New Zealand. This study contributes to understanding cultures' roles in formulating success beliefs and the relationship between success beliefs and well-being for Korean New Zealander youth.
We provide in this paper a comprehensive comparison of various transfer learning strategies and deep learning architectures for computer-aided classification of adult-type diffuse gliomas. We evaluate the generalizability of out-of-domain ImageNet representations for a target domain of histopathological images, and study the impact of in-domain adaptation using self-supervised and multi-task learning approaches for pretraining the models using the medium-to-large scale datasets of histopathological images. A semi-supervised learning approach is furthermore proposed, where the fine-tuned models are utilized to predict the labels of unannotated regions of the whole slide images (WSI). The models are subsequently retrained using the ground-truth labels and weak labels determined in the previous step, providing superior performance in comparison to standard in-domain transfer learning with balanced accuracy of 96.91% and F1-score 97.07%, and minimizing the pathologist's efforts for annotation. Finally, we provide a visualization tool working at WSI level which generates heatmaps that highlight tumor areas; thus, providing insights to pathologists concerning the most informative parts of the WSI.
Die vorliegende Dissertation bietet eine eingehende Analyse der Entstehung und Evolution der rechtlichen Rahmenbedingungen der Arbeitnehmerüberlassung in der Volksrepublik China. Ursprünglich in den 1980er Jahren als Instrument zur Reduzierung der Arbeitslosigkeit eingeführt, hat sich die Funktion der Arbeitnehmerüberlassung im Laufe der Zeit gewandelt. Diese Entwicklung wird in der Arbeit sorgfältig nachgezeichnet.
Die Studie skizziert die legislative Entwicklung von der anfänglichen Konzeption bis zur formellen Legalisierung im Jahr 2007 und untersucht die geltenden gesetzlichen Bestimmungen zur Arbeitnehmerüberlassung. Dabei werden die spezifischen Aspekte der chinesischen Gesetzgebung herausgestellt, bei der die Arbeitnehmerüberlassung vornehmlich als komplementäre Beschäftigungsform angesehen wird. Die Arbeit beleuchtet die Rechte und Pflichten aller Akteure. Obwohl nicht umfassend rechtsvergleichend angelegt, wird doch immer wieder ein Blick auf die Rechtslage in Deutschland geworfen, sodass die unterschiedlichen regulatorischen Ansätze deutlich hervortreten. Zugleich werden die besonderen Herausforderungen behandelt, denen diese Beschäftigungsform im chinesischen Kontext begegnet.
Programm Sommersemester 2024, Frankfurter Bürger-Universität, Goethe-Universität Frankfurt am Main
(2024)
• Mexican and German populations of L. sericata differ in their development times.
• Mexican L. sericata had a shorter development time at 20°C than German flies.
• At 30 °C, German L. sericata pupariated and eclosed earlier than the Mexican flies.
• Differences in study design make the comparison of developmental studies difficult.
Abstract
The cosmopolitan blow fly Lucilia sericata is often used in forensic case work for estimating the minimum postmortem interval (PMImin). For this, the age of immature specimens developing on the dead body is calculated by measuring the time taken to reach the sampled developmental stage at a given temperature. To test whether regional developmental data of L. sericata is valid on a global scale, the time taken to reach different developmental stages was compared between a population from Mexico and one from Germany at two different constant temperatures.
The German population of L. sericata was collected in Frankfurt/Main, while the Mexican population originated near Oaxaca de Juarez and was transported to Germany in the larval stage. Only the F1 generation was used to avoid adaption of the Mexican flies. Eggs were immediately placed at 20 °C and 30 °C. Five times 30 freshly eclosed larvae per replicate (n = 5) were then transferred to a cup of minced meat in separate containers. The larvae were checked every 8 h for migration, pupariation or emergence of adult flies. The time at which the first individual and 50 % of the specimens per container entered each of these stages, was recorded.
Significant differences in the time of development between the two populations were observed at both temperatures. At 20 °C, the first specimens of the Mexican population reached all developmental stages a little (< 1 day to < 2 days) earlier than the German L. sericata. At 30 °C, the Mexican flies also reached the post-feeding stage slightly earlier (0.2 days). However, at 30 °C, the German flies started pupariation significantly earlier (after 5 days) than the Mexican flies (6.9 days) and the adults from Germany also emerged earlier (10.5 days compared to 13.1 days). The same pattern was observed when looking at 50 % of the total number of specimens per container. A comparison with previously published developmental studies was difficult as the experimental design varied widely between studies. However, the results were within the range of most studies. Our study has shown that age estimation can vary widely depending on the population on which the reference data used for the calculations are based. This highlights the importance of using local and population-specific developmental data for estimating the age of blow flies in case work.
Two new species of aulacid wasps, Pristaulacus iuliae Turrisi & Nobile sp. nov. from South India (Karnataka) and Pristaulacus ninae sp. nov. from Peninsular Malaysia (Pahang), are described, figured and compared with most related species. Based on the present addition, the Indomalayan area currently includes 27 species of Pristaulacus Kieffer out of 61 known from the whole Oriental Region, which is however a largely underestimated number. An identification key to species and an updated checklist of Pristaulacus occurring in the Indomalayan area are provided.
The enigmatic ‘y-larvae’ (Thecostraca: Facetotecta) are microscopic marine planktonic crustaceans that were discovered more than a century ago, yet to this day their adults remain unknown. Despite occurring locally in large diversities, and therefore presumably being of ecological importance, only 17 species have been described globally, rendering it practically impossible to identify any y-larval specimen from any locality. The fact that species have been based on different life stages (nauplii and/or cyprids) further hampers identification. Y-larvae include many forms with planktotrophic (feeding) nauplii and even more with lecithotrophic (non-feeding) nauplii. At one coral-reef locality on the shore of Sesoko Island (Okinawa, Japan), extensive fieldwork in 2018 and 2019 confirmed an enormous taxonomic diversity of y-larvae there. Here, we present morphological diagnoses and an identification key for 34 lecithotrophic y-naupliar types (or morphospecies), which will correspond minimally to the same number of species when described. As a temporary measure, all are referred to by alphabetical parataxonomic designations, except for three that have been formally described already within the genus Hansenocaris Itô, 1985. To this should be added an additional 7–9 planktotrophic y-naupliar morphospecies, which are only treated briefly. Most often, y-larval taxonomy has been based on the cyprid stage, but the large morphological diversity of y-nauplii suggests that nauplii are at least as important for taxonomy. Lecithotrophic y-nauplii display a multitude of body shapes, the form-evolution of which is discussed here with reference to a recent molecular phylogeny of Facetotecta partly based on material from the same site. An indirect estimate of the relative abundances of all 34 lecithotrophic y-naupliar morphospecies is presented, based on laboratory-reared final-instar specimens. This treatment is intended as a step towards a proper taxonomy and a revised classification of Facetotecta, which will involve detailed descriptions of both nauplii and cyprids. Until such work progresses, the present overview of the y-naupliar fauna of a single Okinawan locality known to be a hotspot of y-larval diversity is offered as a baseline for further surveys of Facetotecta elsewhere in the Indo-West Pacific and beyond.
In a year marked by challenging market dynamics, the importance of ESG investments remains unwavering. But the wave of ESG regulations and requests generates a demand for more scalable ways to collect and analyze ESG data. The rise of AI could mark a turning point in an industry heavily burdened by reporting requirements, and unlock the true potential of ESG for businesses and investors alike.
For genus g=2i≥4 and the length g−1 partition μ=(4,2,…,2,−2,…,−2) of 0, we compute the first coefficients of the class of D¯¯¯¯(μ) in PicQ(R¯¯¯¯g), where D(μ) is the divisor consisting of pairs [C,η]∈Rg with η≅OC(2x1+x2+⋯+xi−1−xi−⋯−x2i−1) for some points x1,…,x2i−1 on C. We further provide several enumerative results that will be used for this computation.
Yes, they are. The securities services industry is at a tipping point of its digital transformation and will now see industry solutions to scale. We identify three fundamental drivers being adopted more broadly: cloud migration, data, and digitization. This triage also drives the scaling of Clearstream’s digital infrastructure D7, one of the leading digital infrastructures globally.
This study explores high-frequency cross-asset lead-lag relationships for various market microstructure dimensions. Utilizing data from stocks, futures, and exchange traded products, the findings uncover significant lead-lag patterns, particularly among fundamentally related instruments. Our results demonstrate that knowledge about lead-lag relationships can be leveraged for forecasting short-term changes in financial markets.
Nowadays, firms lack information to derive the share of wallet, a vital metric that identifies how much additional spending a firm could capture from each customer. However, decoding Blockchain data enables observing all transactions of each wallet, respectively customer, on the Ethereum NFT market. To shed light on the share of wallet, we analyzed 22.7 million transactions from over 1.3 million customers across eight competing firms on the Ethereum NFT market.
Diese Forschungsarbeit analysiert die Rolle des Superblock-Konzepts in neoliberalen Stadtpolitiken am Beispiel der Stadt Offenbach am Main. Die Stadt, einst von industrieller Bedeutung, kämpft seit dem Ende des Fordismus mit finanziellen Schwierigkeiten, die zu einer restriktiven Austeritätspolitik geführt haben. Auf der Suche nach einer positiven Imageveränderung und im Wettbewerb um einkommensstarke Bevölkerungsschichten und Unternehmen initiierte Offenbach verschiedene Strategiepapiere und neue Stadtentwicklungsprojekte. Die Idee, den Offenbacher Stadtteil Nordend im Stile eines Superblocks umzugestalten, wird seit kurzem von verschiedenen Akteur*innen in der Stadt diskutiert. Bei Superblocks handelt es sich um eine grundlegende Transformation des Straßenraumes durch die Neugestaltung des Verkehrs in kleinteilige Abschnitte. Der motorisierte Individualverkehr wird umgeleitet und Freiflächen für die kollektive Nutzung entstehen. Die Forschungsarbeit basiert auf sechs qualitativen Expert*innen-Interviews mit verschiedenen Akteur*innen aus Offenbach. Durch die Interviews konnten die Einschätzungen der Expert*innen zum Superblock-Konzept sowie dessen Verhältnis zur Stadtentwicklungspolitik Offenbachs analysiert werden. Sie betonen die grundsätzliche Eignung des Nordends für die Implementierung des Superblock-Konzepts. Als Instrument der Mobilitätswende könnten Superblocks den öffentlichen Raum transformieren, die Lebensqualität steigern und speziell den im Nordend lebenden einkommensschwachen Haushalten zugutekommen. Dennoch zeigt sich in den Interviews eine Ambivalenz zum Superblock-Konzept im Kontext der Stadtentwicklungspolitik, insbesondere im Hinblick auf finanzielle Herausforderungen und Probleme der Umsetzung. Deutlich wird die prekäre finanzielle Situation Offenbachs im Kontext der Neoliberalisierung des Städtischen, deren Auswirkungen sich an den Aushandlungen über das Konzept der Superblocks exemplarisch äußert. Die Studie zeigt die Widersprüchlichkeiten eines innovativen Mobilitätskonzeptes innerhalb neoliberaler Stadtpolitiken auf und fragt nach dem Zusammenhang von Mobilitätsforschung und kritischer Stadtforschung.
Despite a number of helpful changes, including the adoption of an inflation target, the Fed’s monetary policy strategy proved insufficiently resilient in recent years. While the Fed eased policy appropriately during the pandemic, it fell behind the curve during the post-pandemic recovery. During 2021, the Fed kept easing policy while the inflation outlook was deteriorating and the economy was growing considerably faster than the economy’s natural growth rate—the sum of the Fed’s 2% inflation goal and the growth rate of potential output.
The resilience of the Fed’s monetary policy strategy could be enhanced, and such errors be avoided with guidance from a simple natural growth targeting rule that prescribes that the federal funds rate during each quarter be raised (cut) when projected nominal income growth exceeds (falls short) of the economy’s natural growth rate. An illustration with real-time data and forecasts since the early 1990s shows that Fed policy has not persistently deviated from this simple rule with the notable exception of the period coinciding with the Fed’s post-pandemic policy error.
Highlights
• TAM polarization induces CP RNA.
• CP RNA expression is regulated by HIF-2 and STAT1.
• CP RNA is transferred from TAMs to HT1080 cells.
• CP RNA is translated by HT1080 cells and protects from ferroptosis.
• Co-cultured HT1080 cells decrease iron and lipid peroxidation.
Abstract
Solid tumors are characterized by hypoxic areas, which are prone for macrophage infiltration. Once infiltrated, macrophages polarize to tumor associated macrophages (TAM) to support tumor progression. Therefore, the crosstalk between TAMs and tumor cells is of current interest for the development of novel therapeutic strategies. These may comprise induction of an iron- and lipid peroxidation-dependent form of cell death, known as ferroptosis. To study the macrophage - tumor cell crosstalk we polarized primary human macrophages towards a TAM-like phenotype, co-cultured them with HT1080 fibrosarcoma cells, and analyzed the tumor cell response to ferroptosis induction. In TAMs the expression of ceruloplasmin mRNA increased, which was driven by hypoxia inducible factor 2 and signal transducer and activator of transcription 1. Subsequently, ceruloplasmin mRNA was transferred from TAMs to HT1080 cells via extracellular vesicles. In tumor cells, mRNA was translated into protein to protect HT1080 cells from RSL3-induced ferroptosis. Mechanistically this was based on reduced iron abundance and lipid peroxidation. Interestingly, in naïve macrophages also hypoxia induced ceruloplasmin under hypoxia and a co-culture of HT1080 cells with hypoxic macrophages recapitulated the protective effect observed in TAM co-cultures. In conclusion, TAMs provoke tumor cells to release iron and thereby protect them from lipid peroxidation/ferroptosis.
• Mexican and German populations of L. sericata differ in their development times.
• Mexican L. sericata had a shorter development time at 20°C than German flies.
• At 30 °C, German L. sericata pupariated and eclosed earlier than the Mexican flies.
• Differences in study design make the comparison of developmental studies difficult.
Abstract
The cosmopolitan blow fly Lucilia sericata is often used in forensic case work for estimating the minimum postmortem interval (PMImin). For this, the age of immature specimens developing on the dead body is calculated by measuring the time taken to reach the sampled developmental stage at a given temperature. To test whether regional developmental data of L. sericata is valid on a global scale, the time taken to reach different developmental stages was compared between a population from Mexico and one from Germany at two different constant temperatures.
The German population of L. sericata was collected in Frankfurt/Main, while the Mexican population originated near Oaxaca de Juarez and was transported to Germany in the larval stage. Only the F1 generation was used to avoid adaption of the Mexican flies. Eggs were immediately placed at 20 °C and 30 °C. Five times 30 freshly eclosed larvae per replicate (n = 5) were then transferred to a cup of minced meat in separate containers. The larvae were checked every 8 h for migration, pupariation or emergence of adult flies. The time at which the first individual and 50 % of the specimens per container entered each of these stages, was recorded.
Significant differences in the time of development between the two populations were observed at both temperatures. At 20 °C, the first specimens of the Mexican population reached all developmental stages a little (< 1 day to < 2 days) earlier than the German L. sericata. At 30 °C, the Mexican flies also reached the post-feeding stage slightly earlier (0.2 days). However, at 30 °C, the German flies started pupariation significantly earlier (after 5 days) than the Mexican flies (6.9 days) and the adults from Germany also emerged earlier (10.5 days compared to 13.1 days). The same pattern was observed when looking at 50 % of the total number of specimens per container. A comparison with previously published developmental studies was difficult as the experimental design varied widely between studies. However, the results were within the range of most studies. Our study has shown that age estimation can vary widely depending on the population on which the reference data used for the calculations are based. This highlights the importance of using local and population-specific developmental data for estimating the age of blow flies in case work.
Central banks sowing the seeds for a green financial sector? NGFS membership and market reactions
(2024)
In December 2017, during the One Planet Summit in Paris, a group of eight central banks and supervisory authorities launched the “Network for Greening the Financial Sector” (NGFS) to address challenges and risks posed by climate change to the global financial system. Until 06/2023 an additional 69 central banks from all around the world have joined the network. We find that the propensity to join the network can be described as a function in the country’s economic development (e.g., GDP per capita), national institutions (e.g., central bank independence), and performance of the central bank on its mandates (e.g., price stability and output gap). Using an event study design to examine consequences of network expansions in capital markets, we document that a difference portfolio that is long in clean energy stocks and short in fossil fuel stocks benefits from an enlargement of the NGFS. Overall, our results suggest that an increasing number of central banks and supervisory authorities are concerned about climate change and willing to go beyond their traditional objectives, and that the capital market believes they will do so.
In this study, we unpack the ESG ratings of four prominent agencies in Europe and find that (i) each single E, S, G pillar explains the overall ESG score differently,(ii) there is a low co-movement between the three E, S, G pillars and (iii) there are specific ESG Key Performance Indicators (KPIs) that are driving these ratings more than others. We argue that such discrepancies might mislead firms about their actual ESG status, potentially leading to cherry-picking areas for improvement, thus raising questions about the accuracy and effectiveness of ESG evaluations in both explaining sustainability and driving capital toward sustainable companies.