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Mitochondrial COI sequences revealed shallow but significant divergences among Amphioctopus aegina (Octopoda, Octopodidae) populations in coastal waters of China

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dc.contributor.author Sun, Chenlian
dc.contributor.author Yan, Jun
dc.contributor.author Hou, Long
dc.contributor.author Zhao, Shijie
dc.contributor.author Muhammad, Faiz
dc.contributor.author Liu, Liqin
dc.contributor.author Lü, Zhenming
dc.date.accessioned 2022-07-22T19:52:02Z
dc.date.available 2022-07-22T19:52:02Z
dc.date.issued 2022
dc.identifier.issn 0792-156X
dc.identifier.uri http://hdl.handle.net/10524/66880
dc.description.abstract Amphioctopus aegina is an important fishery resource in the coastal waters of China. In the present study, the genetic diversity and population genetic structure among four populations of A. aegina throughout its distributional range in China were assessed using the mitochondrial cytochrome oxidase 1 (COI) sequences. The results revealed a generally low genetic diversity (Hd: 0.2842–0.6670; Pi: 0.0007–0.0015) in A. aegina populations. The neighbor-joining (NJ) phylogenetic tree and the haplotype networks, as well as the results of the molecular variance (AMOVA) analyses, indicated a shallow phylogeographic structure among the four populations. However, pairwise ΦST statistics and genetic distance analyses revealed significant (p<0.01) genetic differentiation among Qinzhou and the rest three populations of Zhanjiang, Huizhou, and Dongshan. The demographic history analyses indicated a population expansion in A. aegina, and the role of Leizhou peninsula isolation in shaping the population differentiation. These results would largely enhance our understanding of the genetic structure and hence promote the scientific management of A. aegina fishery resources in coastal waters of China.
dc.format.extent 11 pages
dc.relation.ispartof The Israeli Journal of Aquaculture - Bamidgeh
dc.subject Amphioctopus aegina
dc.subject Leizhou Peninsula
dc.subject population genetic structure
dc.subject recent divergence
dc.title Mitochondrial COI sequences revealed shallow but significant divergences among Amphioctopus aegina (Octopoda, Octopodidae) populations in coastal waters of China
dc.type Article
dc.type.dcmi Text
prism.volume 74
dc.identifier.doi https://doi.org/10.46989/001c.37320
Appears in Collections: Volume 74, 2022


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