Genetic differentiation of Trachurus japonicus from the Northwestern Pacific based on the mitochondrial DNA control region. (December 2013)

• Record Type: Journal Article
• Authors: Song, Na; Jia, Ning; Yanagimoto, Takashi; Lin, Longshan; Gao, Tianxiang
• Is Part Of: Mitochondrial DNA. Volume 24:Number 6(2013:Dec.)
• Page Start: 705
• Page End: 712
• Publication Date: 2013-12
• Subjects: Mitochondrial DNA -- Periodicals; Mitochondrial DNA -- Abnormalities -- Periodicals; Nucleotide sequence -- Periodicals; Gene mapping -- Periodicals; 572.869
• DOI: 10.3109/19401736.2013.773982
• Languages: English
• ISSNs: 1940-1736

Abstract

<abstract> <title> <x xml:space="preserve">Abstract</x> </title> <p> <italic>Trachurus japonicus</italic> is a pelagic fish widely distributed from China, Korea to Japan. To examine the gene flow of <italic>T. japonicus</italic> between Chinese and Japanese coastal waters, eight populations were collected for the present study. Eighty-seven variable sites defined 168 haplotypes. The populations of <italic>T. japonicus</italic> showed high haplotype diversity (<italic>h</italic>) with a range from 0.964 ± 0.027 to 1.000 ± 0.016 and low nucleotide diversity with a range from 0.011 ± 0.006 to 0.015 ± 0.008. The topology of the neighbour-joining tree showed no significant genealogical branches or clusters corresponding to sampling localities. The starburst structure of the minimum spanning tree suggested a very recent origin for most haplotypes. Both pairwise <italic>F</italic>_st and analysis of molecular variance revealed no significant genetic differentiation throughout the range examined. The results of neutrality tests and mismatch distributions indicated that <italic>T. japonicus</italic> may experience a recent population demographic expansion.</p> </abstract>