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Intraspecific Variation in Mitogenomes of Five Crassostrea Species Provides Insight into Oyster Diversification and Speciation
Ren, Jianfeng1,2; Hou, Zhanhui2; Wang, Haiyan2,3; Sun, Ming-an4; Liu, Xiao2; Liu, Bin2,5; Guo, Ximing3
2016-04-01
Source PublicationMARINE BIOTECHNOLOGY
Volume18Issue:2Pages:242-254
SubtypeArticle
AbstractA large number of Crassostrea oysters are found in Asia-Pacific. While analyses of interspecific variation have helped to establish historical relationships among these species, studies on intraspecific variation are necessary to understand their recent evolutionary history and current forces driving population biology. We resequenced 18 and analyzed 31 mitogenomes of five Crassostrea species from China: Crassostrea gigas, Crassostrea angulata, Crassostrea sikamea, Crassostrea ariakensis, and Crassostrea hongkongensis. Our analysis finds abundant insertions, deletions, and single-nucleotide polymorphisms in all species. Intraspecific variation varies greatly among species with polymorphic sites ranging from 54 to 293 and nucleotide diversity ranging from 0.00106 to 0.00683. In all measurements, C. hongkongensis that has the narrowest geographic distribution exhibits the least sequence diversity; C. ariakensis that has the widest distribution shows the highest diversity, and species with intermediate distribution show intermediate levels of diversity. Low sequence diversity in C. hongkongensis may reflect recent bottlenecks that are probably exacerbated by human transplantation. High diversity in C. ariakensis is likely due to divergence of northern and southern China populations that have been separated without gene flow. The significant differences in mitogenome diversity suggest that the five sister species of Crassostrea have experienced different evolutionary forces since their divergence. The recent divergence of two C. ariakensis populations and the C. gigas/angulata species complex provides evidence for continued diversification and speciation of Crassostrea species along China's coast, which are shaped by unknown mechanisms in a north-south divide.
KeywordMitogenome Diversity Crassostrea Oyster Phylogeography Population Genetics Speciation Evolution
DOI10.1007/s10126-016-9686-8
Indexed BySCI
Language英语
WOS IDWOS:000371809800008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/126185
Collection实验海洋生物学重点实验室
Affiliation1.Shanghai Ocean Univ, Minist Educ, Key Lab Explorat & Utilizat Aquat Genet Resources, Shanghai 201306, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
3.Rutgers State Univ, Dept Marine & Coastal Sci, Haskin Shellfish Res Lab, 6959 Miller Ave, Port Norris, NJ 08349 USA
4.Virginia Polytech Inst & State Univ, Virginia Bioinformat Inst, Epigen & Computat Biol Lab, Blacksburg, VA 24060 USA
5.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Ctr Systemat Genom, Urumqi 830011, Peoples R China
First Author AffilicationKey Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Ren, Jianfeng,Hou, Zhanhui,Wang, Haiyan,et al. Intraspecific Variation in Mitogenomes of Five Crassostrea Species Provides Insight into Oyster Diversification and Speciation[J]. MARINE BIOTECHNOLOGY,2016,18(2):242-254.
APA Ren, Jianfeng.,Hou, Zhanhui.,Wang, Haiyan.,Sun, Ming-an.,Liu, Xiao.,...&Guo, Ximing.(2016).Intraspecific Variation in Mitogenomes of Five Crassostrea Species Provides Insight into Oyster Diversification and Speciation.MARINE BIOTECHNOLOGY,18(2),242-254.
MLA Ren, Jianfeng,et al."Intraspecific Variation in Mitogenomes of Five Crassostrea Species Provides Insight into Oyster Diversification and Speciation".MARINE BIOTECHNOLOGY 18.2(2016):242-254.
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