The evolutionary history of the Central Asian steppe-desert taxon Nitraria (Nitrariaceae) as revealed by integration of fossil pollen morphology and molecular data
2023
Woutersen, Amber | Jardine, Phillip, E | Silvestro, Daniele | Giovanni Bogotá-Angel, Raul | Zhang, Hong-Xiang | Meijer, Niels | Bouchal, Johannes | Barbolini, Natasha | Dupont-Nivet, Guillaume | Koutsodendris, Andreas | Antonelli, Alexandre | Hoorn, Carina | University of Amsterdam [Amsterdam] = Universiteit van Amsterdam (UvA) | Westfälische Wilhelms-Universität Münster = University of Münster (WWU) | Université de Fribourg = University of Fribourg (UNIFR) | Göteborgs Universitet = University of Gothenburg (GU) | Universidad Distrital Francisco Jose de Caldas [Bogota] | Chinese Academy of Sciences [Beijing] (CAS) | Senckenberg Biodiversity and Climate Research Centre (SBiK-F) ; Goethe-Universität Frankfurt am Main-Senckenberg – Leibniz Institution for Biodiversity and Earth System Research - Senckenberg Gesellschaft für Naturforschung ; Leibniz Association-Leibniz Association | Medizinische Universität Wien = Medical University of Vienna | Stockholm University | University of Bergen (UiB) | Géosciences Rennes (GR) ; Université de Rennes (UR)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des sciences de l'environnement de Rennes (OSERen) ; Université de Rennes (UR)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | University of Potsdam = Universität Potsdam | Universität Heidelberg [Heidelberg] = Heidelberg University | University of Oxford | Deutsche Forschungsgemeinschaft | Deutsche Forschungsgemeinschaft | 2019-04739 | 649081 | Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung | Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung | Vetenskapsrådet | European Research Council | KO4960/4 | 443701866 | FN-1749 | PCEFP3_187012 | European Project: 649081,H2020,ERC-2014-CoG,MAGIC(2015)
International audience
Afficher plus [+] Moins [-]anglais. The transition from a greenhouse to an icehouse world at the Eocene-Oligocene Transition (EOT) coincided with large decrease of pollen steppe-adapted genus Nitraria. This genus, now common along Mediterranean coast, Asia and Australia, has proposed coastal origin geographically widespread fossil record. Here we investigated evolution, taxonomic diversity morphological disparity Nitraria throughout Cenozoic by integrating extant taxa palynological morphotypes into unified phylogenetic framework based on both DNA sequences data. We present oldest grain Nitraria, least 53 Myr old. was found in Central Asian deposits, providing new evidence for its this area. that EOT is evolutionary bottleneck coinciding retreat proto-Paratethys Sea, major global cooling event turnover steppe vegetation. infer crown age modern spp. be significantly younger (Miocene) than previously estimated (Palaeocene). trajectory inferred extant-only differs markedly one also considers extinct taxa. Our study demonstrates it therefore critical apply integrative approach fully understand plant history Nitrariaceae.
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