Phylogenetic Utility of Nuclear Introns in Interfamilial Relationships of Caniformia (Order Carnivora) | |
Yu L[*]1,2; Luan PT1,2; Davis HA3; Zhang YP[*]2; Jin W1,2; Ryder OA3; Chemnick LG3 | |
刊名 | SYSTEMATIC BIOLOGY
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2011 | |
卷号 | 60期号:2页码:175-187 |
关键词 | intraindividual allele heterozygotes phylogeny transposable elements Caniformia intron |
通讯作者 | zhangyp1@263.net.cn, yuli1220@yahoo.com.cn |
合作状况 | 其它 |
英文摘要 | The monophyletic group Caniformia (dog-like carnivores) in the order Carnivora comprises 9 families. Except for the general consensus for the earliest divergence of Canidae and the grouping of Procyonidae and Mustelidae, conflicting phylogenetic hypotheses exist for the other caniformian families. In the present study, a data set comprising >22 kb of 22 nuclear intron loci from 16 caniformian species is used to investigate the phylogenetic utility of nuclear introns in resolving the interfamilial relationships of Caniformia. Our phylogenetic analyses support Ailuridae as the sister taxon to a clade containing Procyonidae and Mustelidae, with Mephitinae being the sister taxon to all of them. The unresolved placements of Ursidae and Pinnipeds here emphasize a need to add more data and include more taxa to resolve this problem. The present study not only resolves some of the ambiguous relationships in Caniformia phylogeny but also shows that the noncoding nuclear markers can offer powerful complementary data for estimating the species tree. None of the newly developed introns here have previously been used for phylogeny reconstruction, thus increasing the spectrum of molecular markers available to mammalian systematics. Interestingly, all the newly developed intron data partitions exhibit intraindividual allele heterozygotes (IIAHs). There are 115 cases of IIAHs in total. The incorporation of IIAHs into phylogenetic analysis not only provides insights into the interfamilial relationships of Caniformia but also identifies two potential hybridization events occurred within Ursidae and Otariidae, respectively. Finally, the powers and pitfalls of phylogenetics using nuclear introns as markers are discussed in the context of Caniformia phylogeny. |
收录类别 | SCI |
资助信息 | We thank the grants from the State Key Basic Re- search and Development Plan (No. 2007CB411600) and National Natural Science Foundation of China (No. 30600067, U0836603). |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://159.226.149.26:8080/handle/152453/10435] ![]() |
专题 | 昆明动物研究所_分子进化基因组学 昆明动物研究所_遗传资源与进化国家重点实验室 |
作者单位 | 1.Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, China 2.State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Kunming 650223, China 3.San Diego Zoo Conservation Research, PO Box 120551, San Diego, CA 92112, USA |
推荐引用方式 GB/T 7714 | Yu L[*],Luan PT,Davis HA,et al. Phylogenetic Utility of Nuclear Introns in Interfamilial Relationships of Caniformia (Order Carnivora)[J]. SYSTEMATIC BIOLOGY,2011,60(2):175-187. |
APA | Yu L[*].,Luan PT.,Davis HA.,Zhang YP[*].,Jin W.,...&Chemnick LG.(2011).Phylogenetic Utility of Nuclear Introns in Interfamilial Relationships of Caniformia (Order Carnivora).SYSTEMATIC BIOLOGY,60(2),175-187. |
MLA | Yu L[*],et al."Phylogenetic Utility of Nuclear Introns in Interfamilial Relationships of Caniformia (Order Carnivora)".SYSTEMATIC BIOLOGY 60.2(2011):175-187. |
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