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The Kinase Chemogenomic Set (KCGS): an open science resource for kinase vulnerability identification
(2021)
We describe the assembly and annotation of a chemogenomic set of protein kinase inhibitors as an open science resource for studying kinase biology. The set only includes inhibitors that show potent kinase inhibition and a narrow spectrum of activity when screened across a large panel of kinase biochemical assays. Currently, the set contains 187 inhibitors that cover 215 human kinases. The kinase chemogenomic set (KCGS), current Version 1.0, is the most highly annotated set of selective kinase inhibitors available to researchers for use in cell-based screens.
Teleconnections of the Quasi-Biennial Oscillation in a multi-model ensemble of QBO-resolving models
(2021)
The Quasi-biennial Oscillation (QBO) dominates the interannual variability of the tropical stratosphere and influences other regions of the atmosphere. The high predictability of the QBO implies that its teleconnections could lead to increased skill of seasonal and decadal forecasts provided the relevant mechanisms are accurately represented in models. Here modelling and sampling uncertainties of QBO teleconnections are examined using a multi-model ensemble of QBO-resolving atmospheric general circulation models that have carried out a set of coordinated experiments as part of the Stratosphere-troposphere Processes And their Role in Climate (SPARC) QBO initiative (QBOi). During Northern Hemisphere winter, the stratospheric polar vortex in most of these models strengthens when the QBO near 50 hPa is westerly and weakens when it is easterly, consistent with, but weaker than, the observed response. These weak responses are likely due to model errors, such as systematically weak QBO amplitudes near 50 hPa, affecting the teleconnection. The teleconnection to the North Atlantic Oscillation is less well captured overall, but of similar strength to the observed signal in the few models that do show it. The models do not show clear evidence of a QBO teleconnection to the Northern Hemisphere Pacific-sector subtropical jet.
The Kinase Chemogenomic Set (KCGS): An open science resource for kinase vulnerability identification
(2019)
We describe the assembly and annotation of a chemogenomic set of protein kinase inhibitors as an open science resource for studying kinase biology. The set only includes inhibitors that show potent kinase inhibition and a narrow spectrum of activity when screened across a large panel of kinase biochemical assays. Currently, the set contains 187 inhibitors that cover 215 human kinases. The kinase chemogenomic set (KCGS) is the most highly annotated set of selective kinase inhibitors available to researchers for use in cell-based screens.
Labahitha spiders (Arachnida: Araneae: Filistatidae) from islands in the Indian and Pacific Ocean
(2022)
The genus Labahitha has hitherto comprised two species from peninsular Malaysia and Christmas Island (Australia). We here demonstrate that the genus is widespread in islands and territories across the Indian and Pacific Oceans, including the following species that have been previously assigned to other filistatid genera: Labahitha marginata (Kishida, 1936) comb. nov. (= Filistata bakeri Berland, 1938 syn. nov.), Labahitha garciai (Simon, 1892) comb. nov. (= Pritha heikkii Saaristo, 1978 syn. nov., = Pritha sechellana Benoit, 1978 syn. nov.), Labahitha nicobarensis (Tikader, 1977) comb. nov., Labahitha littoralis (Roewer, 1938) comb. nov., Labahitha insularis (Thorell, 1891) comb. nov., Labahitha sundaica (Kulczyński, 1908) comb. nov. (all transferred from Pritha, the latter three provisionally, pending re-examination of the type material); Labahitha fuscata (Nakatsudi, 1943) comb. nov. and Labahitha ryukyuensis (Ono, 2013) comb. nov. (both transferred from Tricalamus). Many of these species have been collected in synanthropic settings and from disparate islands thousands of kilometers apart. This suggests either high dispersal capabilities or, more likely, human-mediated introductions. At least L. marginata has been introduced to continental America. Two new species of Labahitha are described: Labahitha platnicki sp. nov. from New Caledonia and the Bismarck Islands and Labahitha incerta sp. nov. from Queensland, Australia. The male of Labahitha gibsonhilli (Savory, 1943) is reported for the first time. Wandella loloata sp. nov. is described from Papua New Guinea, representing the first record of this genus outside Australia. Pritha hasselti (Simon, 1906) from Indonesia is shown to be a Filistatinae, and thus the species is provisionally transferred back to Filistata.
Survey of rare mallee Eucalyptus dissita in Gibraltar Range National Park, NSW Northern Tablelands
(2021)
Remote sensing of pattern, texture and colour using high resolution ADS40 aerial photograph imagery identified 30 known and potential polygons of the listed Vulnerable mallee eucalypt Eucalyptus dissita (Myrtaceae) in Gibraltar Range National Park in the NSW New England Tablelands Bioregion. Targeted field surveys confirmed Eucalyptus dissita in 14 mapped polygons, covering a mapped extent of 7.6 hectares, with an estimated population of 2400–4600 mallee/ tree stems, including two new populations in remote locations along tributaries of Dandahra Creek and proposed as newly named management sites (Dragonfly Swamp and Valley of the Mallees) under the NSW Saving our Species Program. Populations of Eucalyptus dissita were burnt in a November 2014 hazard reduction burn, and again in the extensive December 2019 wildfire. After the 2014 fire, basal resprouting was observed and minimal mortality of pre-fire plants recorded, but no seedling recruitment observed. In May 2019, 4.5 years post-fire, five of 20 tagged individuals at Surveyors Creek were forming floral buds but are likely to require another year to seed production. All of these individuals were burnt again in the December 2019 fire. Full floristic data analysis using hierarchical agglomerative clustering revealed that Eucalyptus dissita forms a quantitatively distinct vegetation assemblage that groups with the vegetation of swamps and rocky riparian areas, adjoining granite hills.
Protein kinases are highly tractable targets for drug discovery. However, the biological function and therapeutic potential of the majority of the 500+ human protein kinases remains unknown. We have developed physical and virtual collections of small molecule inhibitors, which we call chemogenomic sets, that are designed to inhibit the catalytic function of almost half the human protein kinases. In this manuscript we share our progress towards generation of a comprehensive kinase chemogenomic set (KCGS), release kinome profiling data of a large inhibitor set (Published Kinase Inhibitor Set 2 (PKIS2)), and outline a process through which the community can openly collaborate to create a KCGS that probes the full complement of human protein kinases.