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Hier werden bemerkenswerte floristische Funde aus Nordrhein-Westfalen aus dem Jahr 2019 und einige Nachträge aus 2018 zusammengestellt, die aus Sicht der Schriftleitung von landesweiter Bedeutung sind. Die Funde werden im Laufe des Jahres zunächst chronologisch auf die Homepage des BOCHUMER BOTANISCHEN VEREINS gestellt und am Ende des Jahres zu einem Artikel zusammengefasst. Bei der Auswahl der Arten für diese Liste ist nicht an Bestätigung bereits lange bekannter Vorkommen gedacht, die an Ort und Stelle durchgehend vorkommen, sondern z. B. an Neufunde seltener Arten, Wiederfunde seltener Arten, die zwischendurch verschwunden schienen (wie z. B. Ackerunkräuter) oder auch an bekannte Vorkommen, die erloschen sind oder kurz vor dem Erlöschen stehen. Außerdem nehmen Beobachtungen von neophytischen Arten einen großen Raum ein, die entweder auf dem Wege der Einbürgerung sind, deren Einbürgerung noch nicht allgemein bekannt bzw. anerkannt ist oder deren Vorkommen bisher erst selten für Nordrhein-Westfalen veröffentlicht wurden. Ein wichtiges Kriterium für aufgeführte Arten ist die Selten-heit im Bundesland oder der betreffenden Großlandschaft bzw. Region. Die Zuordnung der Arten zu Pflanzenfamilien richtet sich nach PAROLLY & ROHWER 2016.
Linguistic research and linguistic activism have resulted in key changes to official language use. However, revisions remain contested and many English and German speakers continue to employ male generic terms. In this article I explore whether the encounter with sex-/gender-neutral terminology in June Arnold's novel 'The Cook and the Carpenter' can prompt readers to review their language use and consider alternatives. Based on narrative research, my premise is that fiction can create familiarity with new terms, which is the first step toward wider linguistic change. I frame my investigation with Wittgenstein's notion that "to imagine a language means to imagine a form of life", and put it to the test with a discourse analysis of English and German reader responses. The results of my study show that Arnold's novel stimulates fruitful debate around the issue of linguistic representation. Based on my findings, I propose to integrate literary texts which engage with the issue of sex/gender and language into educational settings to further promote neutral/inclusive language use.
Uni-Highlights Februar 2020 : Einladungen zu ausgewählten Veranstaltungen der Goethe-Universität
(2020)
Although immune checkpoint and targeted therapies offer remarkable benefits for lung cancer treatment, some patients do not qualify for these regimens or do not exhibit consistent benefit. Provided that lung cancer appears to be driven by transforming growth factor beta signaling, we investigated the single drug potency of Pirfenidone, an approved drug for the treatment of lung fibrosis. Five human lung cancer cell lines and one murine line were investigated for transforming growth factor beta inhibition via Pirfenidone by using flow cytometry, In-Cell western analysis, proliferation assays as well as comprehensive analyses of the transcriptome with subsequent bioinformatics analysis. Overall, Pirfenidone induced cell cycle arrest, down-regulated SMAD expression and reduced proliferation in lung cancer. Furthermore, cell stress pathways and pro-apoptotic signaling may be mediated by reduced expression of Survivin. A murine subcutaneous model was used to assess the in vivo drug efficacy of Pirfenidone and showed reduced tumor growth and increased infiltration of T cells and NK cells. This data warrant further clinical evaluation of Pirfenidone with advanced non-small cell lung cancer. The observed in vitro and in vivo effects point to a substantial benefit for using Pirfenidone to reactivate the local immune response and possible application in conjunction with current immunotherapies.
The dynamic and reversible post-translational modification of proteins and protein complexes with the ubiquitin-related SUMO modifier regulates a wide variety of nuclear functions, such as transcription, replication and DNA repair. SUMO can be attached as a monomer to its targets, but can also form polymeric SUMO chains. While monoSUMOylation is generally involved in the assembly of protein complexes, multi- or polySUMOylation may have very different consequences. The evolutionary conserved paradigmatic signaling process initiated by multi- or polySUMOylation is the SUMO-targeted Ubiquitin ligase (StUbL) pathway, where the presence of multiple SUMO moieties primes ubiquitylation by the mammalian E3 ubiquitin ligases RNF4 or RNF111, or the yeast Slx5/8 heterodimer. The mammalian SUMO chain-specific isopeptidases SENP6 or SENP7, or yeast Ulp2, counterbalance chain formation thereby limiting StUbL activity. Many facets of SUMO chain signaling are still incompletely understood, mainly because only a limited number of polySUMOylated substrates have been identified. Here we summarize recent work that revealed a highly interconnected network of candidate polySUMO modified proteins functioning in DNA damage response and chromatin organization. Based on these datasets and published work on distinct polySUMO-regulated processes we discuss overarching concepts in SUMO chain function. We propose an evolutionary conserved role of polySUMOylation in orchestrating chromatin dynamics and genome stability networks by balancing chromatin-residency of protein complexes. This concept will be exemplified in processes, such as centromere/kinetochore organization, sister chromatid cohesion, DNA repair and replication.
Ehrenmord : ein Phänomen zwischen Obskurantismus, Angst und wirtschaftlichem Kalkül : ein Essay
(2020)
Ehrenmord ist ein komplexes Phänomen, in dem sich diverse psychologische, historische, religiöse, ethnologische, juristische, wirtschaftliche und soziologische Vorstellungen und Interessen explosiv aufeinandertreffen. Um die Ehrenmordmotive zu verstehen, sollten die Menge der Faktoren und Beweggründe differenziert und jedes der Motive sowohl einzeln als auch im Zusammenwirken betrachtet werden. Generell sind herbei zwei Aspekte besonders hervorzuheben: verdrängte sozial-tabuisierte Sexualität einerseits und wirtschaftlicher Kalkül andererseits. Die islamischen Inhalte begründen zwar Ehrenmord nicht direkt, untermauern aber an einigen Punkten konservative Vorstellungen innerhalb der Stammesmentalität, die zu einem Ehrenmord als logisch erscheinende Konsequenz führen können. Voraussetzung dafür ist jedoch eine extrem konservative Leseart der islamischen Quellen.
Suicide represents a major challenge to public mental health. In order to provide empirical evidence for prevention strategies, we hypothesized current levels of low socioeconomic status (SES) and high social isolation (SI) to be linked to increased suicide rates in N = 390 administrative districts since SES and SI are associated with mental illness. Effects of SES on suicide rates were further expected to be especially pronounced in districts with individuals showing high SI levels as SI reduces the reception of social support and moderates the impact of low SES on poor mental health. We linked German Microcensus data to register data on all 149,033 German suicides between 1997 and 2010 and estimated Prentice and Sheppard’s model for aggregate data to test the hypotheses, accounting for spatial effect correlations. The findings reveal increases in district suicide rates by 1.20% (p < 0.035) for 1% increases of district unemployment, suicide rate decreases of −0.39% (p < 0.028) for 1% increases in incomes, increases of 1.65% (p < 0.033) in suicides for 1% increases in one-person-households and increases in suicide rates of 0.54% (p < 0.036) for 1% decreases in single persons’ incomes as well as suicide rate increases of 3.52% (p < 0.000) for 1% increases in CASMIN scores of individuals who moved throughout the year preceding suicide. The results represent appropriate starting points for the development of suicide prevention strategies. For the definition of more precise measures, future work should focus on the causal mechanisms resulting in suicidality incorporating individual level data.
We study the incidence and severity of lower-bound episodes and the efficacy of three types of state-dependent policies—forward guidance about the future path of interest rates, large-scale asset purchases and spending-based fiscal stimulus—in ameliorating the adverse consequences stemming from the effective lower bound on nominal interest rates. In particular, we focus on the euro area economy and examine, using the ECB’s New Area- Wide Model, the consequences of the lower bound both for the near-term economic outlook, characterised by persistently low nominal interest rates and inflation, and in a lasting low-real-interest-rate world. Our findings suggest that, if unaddressed, the lower bound can have very substantial costs in terms of worsened macroeconomic performance. Forward guidance, if fully credible, is most powerful and can largely undo the distortionary effects due to the lower bound. A combination of imperfectly credible forward guidance, asset purchases and fiscal stimulus is almost equally effective, in particular when asset purchases enhance the credibility of the forward guidance policy via a signalling effect.