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Comparative population structure of two dominant species, Shinkaia crosnieri (Munidopsidae: Shinkaia) and Bathymodiolus platifrons (Mytilidae: Bathymodiolus), inhabiting both deep-sea vent and cold seep inferred from mitochondrial multi-genes
Shen, Yanjun1,2; Kou, Qi3; Chen, Weitao1,2; He, Shunping1; Yang, Mei3; Li, Xinzheng3; Gan, Xiaoni1
2016-06-01
发表期刊ECOLOGY AND EVOLUTION
卷号6期号:11页码:3571-3582
文章类型Article
摘要Deep-sea hydrothermal vents and cold seeps, limited environments without sunlight, are two types of extreme habitat for marine organisms. The differences between vents and cold seeps may facilitate genetic isolation and produce population heterogeneity. However, information on such chemosynthetic fauna taxa is rare, especially regarding the population diversity of species inhabiting both vents and cold seeps. In this study, three mitochondrial DNA fragments (the cytochrome c oxidase submit I (COI), cytochrome b gene (Cytb), and 16S) were concatenated as a mitochondrial concatenated dataset (MCD) to examine the genetic diversity, population structure, and demographic history of Shinkaia crosnieri and Bathymodiolus platifrons. The genetic diversity differences between vent and seep populations were statistically significant for S. crosnieri but not for B. platifrons. S. crosnieri showed less gene flow and higher levels of genetic differentiation between the vent and seep populations than B. platifrons. In addition, the results suggest that all the B. platifrons populations, but only the S. crosnieri vent populations, passed through a recent expansion or bottleneck. Therefore, different population distribution patterns for the two dominant species were detected; a pattern of population differentiation for S. crosnieri and a homogeneity pattern for B. platifrons. These different population distribution patterns were related to both extrinsic restrictive factors and intrinsic factors. Based on the fact that the two species were collected in almost identical or adjacent sampling sites, we speculated that the primary factors underlying the differences in the population distribution patterns were intrinsic. The historical demographics, dispersal ability, and the tolerance level of environmental heterogeneity are most likely responsible for the different distribution patterns.
关键词Chemosynthetic Fauna Environmental Heterogeneity Genetic Diversity Genetic Isolation Population Distribution Patterns
DOI10.1002/ece3.2132
收录类别SCI
语种英语
WOS记录号WOS:000377043200010
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/126223
专题海洋生物分类与系统演化实验室
作者单位1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
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Shen, Yanjun,Kou, Qi,Chen, Weitao,et al. Comparative population structure of two dominant species, Shinkaia crosnieri (Munidopsidae: Shinkaia) and Bathymodiolus platifrons (Mytilidae: Bathymodiolus), inhabiting both deep-sea vent and cold seep inferred from mitochondrial multi-genes[J]. ECOLOGY AND EVOLUTION,2016,6(11):3571-3582.
APA Shen, Yanjun.,Kou, Qi.,Chen, Weitao.,He, Shunping.,Yang, Mei.,...&Gan, Xiaoni.(2016).Comparative population structure of two dominant species, Shinkaia crosnieri (Munidopsidae: Shinkaia) and Bathymodiolus platifrons (Mytilidae: Bathymodiolus), inhabiting both deep-sea vent and cold seep inferred from mitochondrial multi-genes.ECOLOGY AND EVOLUTION,6(11),3571-3582.
MLA Shen, Yanjun,et al."Comparative population structure of two dominant species, Shinkaia crosnieri (Munidopsidae: Shinkaia) and Bathymodiolus platifrons (Mytilidae: Bathymodiolus), inhabiting both deep-sea vent and cold seep inferred from mitochondrial multi-genes".ECOLOGY AND EVOLUTION 6.11(2016):3571-3582.
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