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Plio-Pleistocene Environmental Changes Drove the Settlement of Aotearoa New Zealand by Australian Open-Habitat Bird Lineages.
Mol Ecol
January 2025
Department of Anatomy, University of Otago, Dunedin, New Zealand.
In a changing environment, vacant niches can be filled either by adaptation of local taxa or range-expanding invading species. The relative tempo of these patterns is of key interest in the modern age of climate change. Aotearoa New Zealand has been a hotspot of biogeographic research for decades due to its long-term isolation and dramatic geological history.
View Article and Find Full Text PDFPhylogenomic resolution of lampreys reveals the recent evolution of an ancient vertebrate lineage.
Proc Biol Sci
January 2025
Department of Biology, Saint Louis University, St Louis, MO 63103, USA.
Jawless vertebrates once dominated Palaeozoic waters, but just two lineages have persisted to the present day: lampreys and hagfishes. Living lampreys are a relatively small clade, with just over 50 species described, but knowledge of their evolutionary relationships has always been based on either a few mitochondrial genes or a small number of taxa. Biogeographers have noted the disjunct antitropical distribution of living lamprey families.
View Article and Find Full Text PDFNorth Pontic crossroads: Mobility in Ukraine from the Bronze Age to the early modern period.
Sci Adv
January 2025
UCL Genetics Institute, Research Department of Genetics, Evolution and Environment, University College London, London WC1E 6BT, UK.
The North Pontic region, which encompasses present-day Ukraine, was a crossroads of migration, connecting the vast Eurasian Steppe with Central Europe. We generated shotgun-sequenced genomic data for 91 individuals dating from around 7000 BCE to 1800 CE to study migration and mobility history in the region, with a particular focus on historically attested migrating groups during the Iron Age and the medieval period. We infer a high degree of temporal heterogeneity in ancestry, with fluctuating genetic affinities to different present-day Eurasian groups.
View Article and Find Full Text PDFUpregulation of Insulin and Ecdysone Signaling in Relation to Diapause Termination in Eggs Exposed to 5 °C.
Insects
December 2024
Department of Biology, National Museum of Natural Science, 1 Kuan-Chien Road, Taichung 404, Taiwan.
In the present study, we investigated the possible correlation between insulin/ecdysone signaling and chilling-induced egg diapause termination in . Changes in () and () gene expression levels in chilled eggs (whose diapause had been terminated by chilling to 5 °C for 90 days) exhibited no significant increase after being transferred to 25 °C, which differed from both non-diapause eggs and HCl-treated eggs. We further compared the differential temporal expressions of (, -, and ), ( and ), and ( () and ()) as well as () genes between chilled eggs and eggs kept at 25 °C.
View Article and Find Full Text PDFLife History of Ribaut, 1952 (Hymenoptera, Pemphredonidae).
Insects
November 2024
Department of Entomology and Agricultural Pests, Institute of Plant Protection-National Research Institute, Węgorka 20, 60-318 Poznań, Poland.
The nesting of Ribaut, 1952 was observed in Kowalewo Pomorskie (northern Poland). The nests were built in trap nests that were placed on a windowsill facing southwest. The females used resin from Engelm.
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