Historical biogeography at the crossroads of the northern continents:: molecular phylogenetics of red-backed voles (Rodentia: Arvicolinae)
Historical biogeography at the crossroads of the northern continents:: molecular phylogenetics of red-backed voles (Rodentia: Arvicolinae)
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DOI：
10.1016/s1055-7903(03)00248-3
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发表时间：
2004-03-01
影响因子：
4.1
通讯作者：
Conroy, CJ
中科院分区：
文献类型：
--
作者：
Cook, JA;Runck, AM;Conroy, CJ
研究了红背田鼠及其近亲的进化关系，并用于检验生物地理学假说。获得了代表Alticola macrotis、Clethrionomys californicus、C gapperi、C glareolus、C rutilus和C rufocanus的25个个体的线粒体细胞色素b基因序列。将这些序列与GenBank中C regulus、C rex、C rufocanus、C rutilus、Eothenomys imaizumii、E. melanogaster、Phaulomys andersoni和P. smithii的21个部分序列相结合。将3种鼠属（M. montanus、M. oeconomus和M. pennsylvanicus）、其他Arvicola属代表种（Myopus、Synaptomys、Arvicola、Ellobius、Ondatra、Lemmus、Dicrostonyx和Phenacomys）和一种sigmodontine代表种（Peromyscus）的完整序列作为外群。我们使用最大简约、最大似然、距离和基于贝叶斯的方法，并对提出的系统发育关系和生物地理历史假设进行了统计检验。支持Alticola属、Clethrionomys属和Eothenomys属的亲缘关系（Clethrionomyini）；然而，Clethrionomys属在Alticola和Eothenomys方面都是paraphyletic的。3个主要分支为亚洲（Eothenomys andersoni, E smithii, C rex， C regulus和C rufocanus）， Trans-beringian （Alticola macrotis, C californicus, C gapperi， C glarelolus和C rutilus）和台湾（E melanogaster）。这些结果与化石记录相一致，化石记录表明，亚洲最初出现了多样化，随后至少有两次出现了新北极的殖民化。全北极物种，C rutilus，似乎是从北美重新入侵亚洲的，或者比北美特有的两个物种（C. gapperi和C. californicus）（早至中更新世）更晚（晚更新世）殖民北美。最后，gapperi似乎由一个东部和一个西部物种组成，前者与亚洲的C glareolus有亲缘关系，后者与加利福尼亚C更接近。(C) 2003 Elsevier Inc.版权所有。
Evolutionary relationships of red-backed voles and their relatives were examined and used to test biogeographic hypotheses. Sequences of the mitochondrial cytochrome b gene were obtained for 25 individuals representing Alticola macrotis, Clethrionomys californicus, C gapperi, C glareolus, C rutilus, and C rufocanus. These were combined with 21 partial sequences from GenBank for C regulus, C rex, C rufocanus, C rutilus, Eothenomys imaizumii, E. melanogaster, Phaulomys andersoni, and P. smithii. Complete sequences of three species of Microtus (M. montanus, M. oeconomus, and M. pennsylvanicus), representative species of other arvicoline genera (Myopus, Synaptomys, Arvicola, Ellobius, Ondatra, Lemmus, Dicrostonyx, and Phenacomys), and a sigmodontine representative (Peromyscus) were included as outgroups. We used maximum parsimony, maximum likelihood, distance, and Bayesian based methods and conducted statistical tests on proposed hypotheses of phylogenetic relationships and biogeographic histories. A close relationship of species representing the genera Alticola, Clethrionomys, and Eothenomys was supported (Clethrionomyini); however, the genus Clethrionomys was paraphyletic with respect to both Alticola and Eothenomys. Three major clades were identified as Asian (Eothenomys andersoni, E smithii, C rex, C regulus, and C rufocanus), Trans-beringian (Alticola macrotis, C californicus, C gapperi, C glarelolus, and C rutilus), and Taiwanese (E. melanogaster). These results are consistent with the fossil record which indicates an initial diversification in Asia followed by colonization of the Nearctic on at least two occasions. The holarctic species, C rutilus, appears to have either reinvaded Asia from North America or colonized North America more recently (late Pleistocene) than the two species of Clethrionomys (C. gapperi and C. californicus) that are endemic to North America (early to mid-Pleistocene). Finally, C gapperi, appears to be comprised of an eastern and a western species, the former with affinities to the Asian C glareolus and the latter more closely related to C californicus. (C) 2003 Elsevier Inc. All rights reserved.