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Showing 1–7 of 7 results
Advanced filters: Author: Mihai Pavel Clear advanced filters

  • Ancient DNA reveals how the explosive expansion of Yamnaya steppe pastoralists began with a small community north of the Black Sea speaking ancestral Indo-European, and detects genetic links with Anatolian speakers, stemming from a common Indo-Anatolian homeland in the North Caucasus–lower Volga region.

    • Iosif Lazaridis
    • Nick Patterson
    • David Reich
    Research
    Nature
    Volume: 639, P: 132-142

  • The bacterial pathogen Helicobacter pylori is known for its ability to induce DNA double-strand breaks in the genome of its target cells. Here, we show that H. pylori-induced DNA damage and replication stress occurs in S-phase cells as a result of R-loop-mediated transcription/replication conflicts that are triggered by activation of the ALPK1/TIFA/NF-κB signaling axis.

    • Michael Bauer
    • Zuzana Nascakova
    • Anne Müller
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-16

  • A species-level phylogenetic analysis of the high-elevation flora of the European Alps reveals that the flora is young and colonist rich. Its assembly was primarily driven by the Pleistocene climatic cycles, rather than ancient orogenic events.

    • Lara M. Wootton
    • Florian C. Boucher
    • Sébastien Lavergne
    Research
    Nature Plants
    Volume: 11, P: 1142-1153

  • Focusing on mountain plant communities across Europe, a study shows that ongoing climate change causes a gradual decline in cold-adapted species and a corresponding increase in warm-adapted species, which could be an early sign that mountain plant diversity is at risk.

    • Michael Gottfried
    • Harald Pauli
    • Georg Grabherr
    Research
    Nature Climate Change
    Volume: 2, P: 111-115

  • Normothermic machine perfusion of the liver improved early graft function, demonstrated by reduced peak serum aspartate transaminase levels and early allograft dysfunction rates, and improved organ utilization and preservation times, although no differences were seen in graft or patient survival.

    • David Nasralla
    • Constantin C. Coussios
    • Peter J. Friend
    Research
    Nature
    Volume: 557, P: 50-56

  • Socially synchronized rhythms in shorebirds were assessed during biparental incubation under natural circumstances and were exceptionally diverse, often not following the 24-h day, whereby risk of predation, not starvation, determined some of the variation in incubation rhythms.

    • Martin Bulla
    • Mihai Valcu
    • Bart Kempenaers
    Research
    Nature
    Volume: 540, P: 109-113