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  • Analysis of 1,673 sequenced Saccharomyces cerevisiae isolates identifies 3,852 sequence blocks introgressed from Saccharomyces paradoxus, most of which are recent and clade-specific. By contrast, divergent Chinese strains of S. cerevisiae show little evidence of introgression but do share ancient polymorphisms with S. paradoxus due to incomplete lineage sorting.

    • Nicolò Tellini
    • Matteo De Chiara
    • Gianni Liti
    Article
  • Analysing >1,700 inventory plots from the Amazon Tree Diversity Network, the authors show that the majority of Amazon tree species can occupy floodplains and that patterns of species turnover are closely linked to regional flood patterns.

    • John Ethan Householder
    • Florian Wittmann
    • Hans ter Steege
    ArticleOpen Access
  • Combining ecophysiological growth models of >135,000 vascular plant species and information on plant growth form, the authors show that 33–68% of the global land surface will experience a significant change in the next 50 years in how climate supports the plant growth forms that define terrestrial ecosystems.

    • Timo Conradi
    • Urs Eggli
    • Steven I. Higgins
    ArticleOpen Access
  • Behavioural innovation provides a key adaptive advantage to wild populations, but it is unclear which experimental assay is the best predictor for innovation. The authors administered a battery of cognitive tests to 15 passerine species to show that performance in problem-solving tasks is most closely associated with innovations in the wild.

    • Jean-Nicolas Audet
    • Mélanie Couture
    • Erich D. Jarvis
    ArticleOpen Access
  • Analysing biogeographic patterns in soil viromes based on 1,824 soil metagenomes from sites around the world, the authors show that viral diversity rarely corresponds to overall microbial diversity, with soil texture and moisture being closely associated with viral diversity.

    • Bin Ma
    • Yiling Wang
    • Jianming Xu
    Article
  • A meta-analysis of papers that relate reef fish abundance, biomass or species richness to proportion of living hard coral cover finds correlations that are predominantly positive but consistently weak.

    • Pooventhran Muruga
    • Alexandre C. Siqueira
    • David R. Bellwood
    Article
  • The authors use a simulation framework to assess how the dynamics of species’ diversification changed with ecological niche shifts under historical climate conditions. Modelling scenarios with niche conservatism resulted in higher rates of net diversification, recapitulating empirical biodiversity patterns.

    • Huijie Qiao
    • A. Townsend Peterson
    • Erin E. Saupe
    ArticleOpen Access
  • Mismatch between the ancestry of mitochondrial and nuclear genomes can drive somatic evolution during ageing. Analysis of around 1.2 million mitochodrial somatic mutations in young and old mice shows haplotype-specific mutational patterns and hotspots, and reversion mutations that re-align mito-nuclear ancestry during an organism’s lifespan.

    • Isabel M. Serrano
    • Misa Hirose
    • Peter H. Sudmant
    ArticleOpen Access