A large-scale species level dated angiosperm phylogeny for evolutionary and ecological analyses

Abstract : Phylogenies are a central and indispensable tool for evolutionary and ecological research. Even though most angiosperm families are well investigated from a phylogenetic point of view, there are far less possibilities to carry out large-scale meta-analyses at order level or higher. Here, we reconstructed a large-scale dated phylogeny including nearly 1/8th of all angiosperm species, based on two plastid barcoding genes, matK (incl. trnK) and rbcL. Novel sequences were generated for several species, while the rest of the data were mined from GenBank. The resulting tree was dated using 56 angiosperm fossils as calibration points. The resulting megaphylogeny is one of the largest dated phylogenetic tree of angiosperms yet, consisting of 36,101 sampled species, representing 8,399 genera, 426 families and all orders. This novel framework will be useful for investigating different broad scale research questions in ecological and evolutionary biology.
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Soumis le : jeudi 30 janvier 2020 - 11:55:06
Dernière modification le : jeudi 27 février 2020 - 13:08:28

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Steven Janssens, Thomas Couvreur, Arne Mertens, Gilles Dauby, Léo-Paul Dagallier, et al.. A large-scale species level dated angiosperm phylogeny for evolutionary and ecological analyses. Biodiversity Data Journal, Pensoft, 2020, 8 (e39677), ⟨10.3897/BDJ.8.e39677⟩. ⟨hal-02460774⟩

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