title: Phylogeography of the Chinese beard eel, Cirrhimuraena chinensis Kaup, inferred from mitochondrial DNA: a range expansion after the last glacial maximum.
abstract: The Chinese beard eel (Cirrhimuraena chinensis Kaup) is an intertidal fish and a model organism for the study of impacts caused by topological fluctuations during the Pleistocene and current intricate hydrological conditions on fauna living in the coastal areas of China. In this study, we examined the phylogeographical pattern, population genetic profile and demographical history of C. chinensis using mitochondrial DNA (cytochrome b (cyt b) and control region (CR)) from 266 individuals sampled in seven localities across the coastal area of southeastern China. The combined data indicated high levels of haplotype diversity and low levels of nucleotide diversity. Analyses of molecular variance (AMOVA) and FST statistics suggested the absence of a significant population structure across the Chinese coast. Neutrality tests, mismatch distributions and Bayesian skyline plots uniformly indicated a recent population expansion. The phylogeographic structure of C. chinensis may be attributed to past population expansion and long-distance pelagic larval dispersal facilitated by present-day ocean currents.
authors.affiliation: State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China. josephlee@stu.xmu.edu.cn.
authors.forename: Hai
authors.initials: H
authors.lastname: Li
authors.affiliation: Department of Physical Therapy, Shu Zen College of Medicine and Management, Kaohsiung 821, Taiwan. varicorhinus@hotmail.com.
authors.forename: Hungdu
authors.initials: H
authors.lastname: Lin
authors.affiliation: State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China. haikuilee@gmail.com.
authors.forename: Jianlong
authors.initials: J
authors.lastname: Li
authors.affiliation: State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China. sxding@xmu.edu.cn.
authors.forename: Shaoxiong
authors.initials: S
authors.lastname: Ding
mesh_terms: D000818:Animals; D001499:Bayes Theorem; D002681:China; D045303:Cytochromes b / Q000235:genetics; D004272:DNA, Mitochondrial / Q000235:genetics*; D030541:Databases, Genetic; D004524:Eels / Q000235:genetics*; D014644:Genetic Variation; D005828:Genetics, Population; D006239:Haplotypes; D058974:Phylogeography; D017422:Sequence Analysis, DNA
chemical_list: D004272:DNA, Mitochondrial; D045303:Cytochromes b
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