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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2019 Vol.38 No.1

Genetic Diversity of Acanthochiton rubrolineatus in the Bohai Rim
Author of the article:WANG Ruxiao, LI Yuanyuan, LIU Chuanlin, DU Wenxiao, HOU Jianhai, YAO Wenjun, ZHANG Junkai, ZHANG Yunfa, WANG Yu, QU Jiangyong*
Author's Workplace:College of Life Sciences, Yantai University, Yantai, Shandong Province 264005, China
Key Words:Acanthochiton rubrolineatus; ecological genetics; genetic structure; cytochrome c oxidase subunit Ⅰ
Abstract:The genetic diversity and genetic structure of 9 populations of Acanthochiton rubrolineatus in the Bohai Rim were analyzed using mitochondrial cytochrome c oxidase subunit Ⅰ (COⅠ). The COⅠ gene (654 bp) of 126A. rubrolineatus individuals were amplified and sequenced. Finally, a total of 29 haplotypes were detected by 41 polymorphic loci. The haplotype diversity of all samples was 0.899±0.013, and the nucleotide diversity was 0.013 3±0.006 8. There was a significant negative correlation between the population genetic diversity and latitude (r=-0.808, P<0.05) and annual mean temperature variation coefficient (r=-0.795, P<0.05), indicating that A. rubrolineatus was adaptive in the marine environment with low latitudes and stable temperature. The result of analysis of molecular variance showed that genetic variation occurred mainly within populations (83.26%, P<0.001). Phylogenetic tree and haplotype network did not show obvious phylogeographic structure. Demographic results showed that A. rubrolineatus had experienced population expansion during the late period of early Pleistocene (the second warm period) and interglacial period.
2019,38(1): 20-27 收稿日期:2018-07-18
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