Cytochrome b sequence data suggest rapid speciation within the Paramecium aurelia species complex

被引：27

作者：

Barth, Dana ^{[1
]}

Przybos, Ewa ^{[2
]}

Fokin, Sergei I. ^{[3
,4
]}

Schlegel, Martin ^{[1
]}

Berendonk, Thomas U. ^{[1
]}

机构：

[1] Univ Leipzig, Inst Biol 2, D-04103 Leipzig, Germany

[2] Polish Acad Sci, Inst Systemat & Evolut Anim, Dept Expt Zool, PL-31016 Krakow, Poland

[3] Univ Pisa, Dipartimento Etol Ecol & Evoluz, I-56126 Pisa, Italy

[4] Sankt Petersburg State Univ, St Petersburg 199034, Russia

来源：

MOLECULAR PHYLOGENETICS AND EVOLUTION | 2008年 / 49卷 / 02期

关键词：

Paramecium aurelia; Speciation; Rapid radiation; Cytochrome b; Phylogeny; Polytomy;

D O I：

10.1016/j.ympev.2008.08.007

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

We investigated mitochondrial Cytochrome b sequences from all 15 members of the enigmatic Paramecium aurelia species complex (Ciliophora). The analysis revealed high genetic distances between the different A aurelia species (6.1-19.8%) and a largely unresolved, star-like phylogenetic tree. This result strongly supports a rapid radiation in the evolutionary history of this species complex and it correlates well with the hypothesis that the extant species diversity may have originated from the neutral consequences of a whole genome duplication in the common ancestor of P. aurelia. (c) 2008 Elsevier Inc. All rights reserved.

引用

页码：669 / 673

页数：5

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