Multilocus systematics and non-punctuated evolution of Holarctic Myodini (Rodentia: Arvicolinae)

被引:34
作者
Kohli, Brooks A. [1 ,2 ]
Speer, Kelly A. [1 ,2 ]
Kilpatrick, C. William [3 ]
Batsaikhan, Nyamsuren [4 ]
Damdinbaza, Darmaa [4 ]
Cook, Joseph A. [1 ,2 ]
机构
[1] Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA
[2] Univ New Mexico, Museum Southwestern Biol, Albuquerque, NM 87131 USA
[3] Univ Vermont, Dept Biol, Burlington, VT 05405 USA
[4] Natl Univ Mongolia, Fac Biol, Dept Zool, Ulaan Bataar, Mongolia
基金
美国国家科学基金会;
关键词
Holarctic; Lineage through time; Mitochondrial introgression; Paraphyly; Punctuated diversification; Species tree; MOLECULAR PHYLOGENY; BAYESIAN-INFERENCE; MITOCHONDRIAL-DNA; ORIENTAL VOLES; GENE TREES; INTROGRESSION; CRICETIDAE; HISTORY; PALAEOVEGETATION; DIVERSIFICATION;
D O I
10.1016/j.ympev.2014.02.019
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
The tribe Myodini consists of five genera of forest and alpine voles (Alticola, Caryomys, Eothenomys, Hyperacrius and Myodes) distributed throughout the Holarctic. Because mitochondrial evidence has revealed paraphyly and polyphyly among genera, we apply the first multilocus tests to clarify taxonomy and phylogenetic relationships. Our analyses of 28 of 36 species within Myodini, including three not previously sequenced (A. montosa, A. albicaudus, and H. fertilis), identify four distinct clades and provide the first molecular evidence that Hyperacrius may not belong in Myodini. Myodes is paraphyletic, while polyphyly of Alticola reflects apparent ancient mitochondrial introgression. Diversification in this tribe was hypothesized to be tightly linked to Late Cenozoic climatic events, however, lineage through time analysis indicates diversification over the last 4 My was gradual and not strongly punctuated. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:18 / 29
页数:12
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