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Historical biogeography of the highly diverse brown seaweed Lobophora (Dictyotales, Phaeophyceae)
Vieira, Christophe1,2,3,4; Camacho, Olga5; Sun, Zhongmin6; Fredericq, Suzanne5; Leliaert, Frederik2,3,7; Payri, Claude1; De Clerck, Olivier2,3
2017-05-01
发表期刊MOLECULAR PHYLOGENETICS AND EVOLUTION
卷号110页码:81-92
文章类型Article
摘要The tropical to warm-temperate marine brown macroalgal genus Lobophora (Dictyotales, Phaeophyceae) recently drew attention because of its striking regional diversity. In this study we reassess Lobophora global species diversity, and species distributions, and explore how historical factors have shaped current diversity patterns. We applied a series of algorithmic species delineation techniques on a global mitochondria) cox3 dataset of 598 specimens, resulting in an estimation of 98-121 species. This diversity by far exceeds traditional diversity estimates based on morphological data. A multi-locus time calibrated species phylogeny using a relaxed molecular clock, along with DNA-confirmed species distribution data was used to analyse ancestral area distributions, dispersal-vicariance-founder events, and temporal patterns of diversification under different biogeographical models. The origin of Lobophora was estimated in the Upper Cretaceous (-75 to -60 MY), followed by gradual diversification until present. While most speciation events were inferred within marine realms, founder events also played a non-negligible role in Lobophora diversification. The Central Indo-Pacific showed the highest species diversity as a result of higher speciation events in this region. Most Lobophora species have small ranges limited to marine realms. Lobophora probably originated in the Tethys Sea and dispersed repeatedly in the Atlantic (including the Gulf of Mexico) and Pacific Oceans. The formation of the major historical marine barriers (Terminal Tethyan event, Isthmus of Panama, Benguela upwelling) did not act as important vicariance events. Long-distance dispersal presumably represented an important mode of speciation over evolutionary time-scales. The limited geographical ranges of most Lobophora species, however, vouch for the rarity of such events.(C) 2017 Elsevier Inc. All rights reserved.
关键词Algorithmic Species Estimation Ancestral Area Reconstruction Historical Biogeography Lobophora Molecular Dating
DOI10.1016/j.ympev.2017.03.007
收录类别SCI
语种英语
WOS记录号WOS:000398877500009
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136713
专题海洋生物分类与系统演化实验室
作者单位1.CNRS, IRD, ENTROPIE UR, LabEx CORAIL, BP A5, Noumea 98848, Nouvelle Caledo, New Caledonia
2.Univ Ghent, Phycol Res Grp, B-9000 Ghent, Belgium
3.Univ Ghent, Ctr Mol Phylogenet & Evolut, B-9000 Ghent, Belgium
4.UPMC Univ Paris 06, Sorbonne Univ, IFD, F-75252 Paris, France
5.Univ Louisiana Lafayette, Dept Biol, Lafayette, LA 70504 USA
6.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, Beijing, Peoples R China
7.Bot Garden Meise, B-1860 Meise, Belgium
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Vieira, Christophe,Camacho, Olga,Sun, Zhongmin,et al. Historical biogeography of the highly diverse brown seaweed Lobophora (Dictyotales, Phaeophyceae)[J]. MOLECULAR PHYLOGENETICS AND EVOLUTION,2017,110:81-92.
APA Vieira, Christophe.,Camacho, Olga.,Sun, Zhongmin.,Fredericq, Suzanne.,Leliaert, Frederik.,...&De Clerck, Olivier.(2017).Historical biogeography of the highly diverse brown seaweed Lobophora (Dictyotales, Phaeophyceae).MOLECULAR PHYLOGENETICS AND EVOLUTION,110,81-92.
MLA Vieira, Christophe,et al."Historical biogeography of the highly diverse brown seaweed Lobophora (Dictyotales, Phaeophyceae)".MOLECULAR PHYLOGENETICS AND EVOLUTION 110(2017):81-92.
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