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Citation for Study 20601

About Citation title: "Parallel Miocene-dominated diversification of the lichen-forming fungal genus Oropogon (Parmeliaceae, Ascomycota) in different continents".
About Study name: "Parallel Miocene-dominated diversification of the lichen-forming fungal genus Oropogon (Parmeliaceae, Ascomycota) in different continents".
About This study is part of submission 20601 (Status: Published).

Citation

Wei X., Leavitt S., Huang J., Esslinger T.L., Wang L., Moncada B., L?cking R., Divakar P.K., & Lumbsch T. 2017. Parallel Miocene-dominated diversification of the lichen-forming fungal genus Oropogon (Parmeliaceae, Ascomycota) in different continents. Taxon, .

Authors

  • Wei X. (submitter) Phone 86-13651162596
  • Leavitt S.
  • Huang J.
  • Esslinger T.L.
  • Wang L.
  • Moncada B.
  • L?cking R.
  • Divakar P.K. Phone +34913942282
  • Lumbsch T. Phone 13126657881

Abstract

The causes for distinctiveness of biogeographic distribution patterns in lichens is increasingly attracting scientists' attention. In this study, we studied the genus Oropogon in one of the largest families of lichen-forming ascomycetes?Parmeliaceae and performed divergence times estimation on a multilocus species-tree using ITS substitution rate to investigate 1) the ancestral area of Oropogon, 2) the times of diversification of major clades within Oropogon, and 3) identify factors that affected the distribution and evolution of this genus. The results indicate that ancestral area of Oropogon is either widespread with subsequent separate evolution of clades in Asia and America or in the New World (America) with subsequent migration to Asia. Our results suggest that the genus originally radiated during the early Miocene, with subsequent diversification events occurring during the middle Miocene. We hypothesize that the Mi-1 glaciation had impact on the origin of the genus Oropogon, and that the rise of major mountain ranges, such as the Himalayas, resulted in an acceleration of the diversification rate in Oropogon in the Old World.

Keywords

biogeography; molecular evolution; molecular systematics; Oropogon; substitution rate; worldwide

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  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S20601
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