Mitochondrial DNA control region diversity and population structure of Pacific herring (Clupea pallasii) in the Yellow Sea and the Sea of Japan |
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| Authors: | Ming Liu Tianxia Gao Yasunori Sakurai Ning Jia Linlin Zhao Xiao Du Qun Jiang Zhichuan Lu |
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| Institution: | (1) Department of Integrative Biology, University of Guelph, 50 Stone Rd. East1, Guelph, ON, N1G 2W1, Canada;(2) US FDA Center for Food Safety and Applied Nutrition, 5100 Paint Branch Parkway, College Park, MD 20740, USA;(3) Raincoast Education Society, Tofino, BC, V0R 2Z0, Canada;(4) Present address: The Earth and Oceanic Sciences Research Institute, School of Applied Sciences, Auckland University of Technology, Auckland City, 1010, New Zealand |
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| Abstract: | To investigate the genetic variation and population structure of Pacific herring in the Yellow Sea and the genetic differentiation
between the Yellow Sea and the Sea of Japan, fragments of 479-bp mitochondrial DNA control region were sequenced for 110 individuals
collected from three different periods in the Yellow Sea and one locality in the Sea of Japan. High haplotype diversity and
moderate nucleotide diversity were observed in Pacific herring. AMOVA and exact test of population differentiation showed
no significant genetic differentiations among the three populations of the Yellow Sea and suggested the populations can be
treated as a single panmictic stock in the Yellow Sea. However, a large and significant genetic differentiation (Φ
ST=0.11; P=0.00) was detected between the populations in the Yellow Sea and the Sea of Japan. The high sea water temperature in the
Tsushima Strait was thought a barrier to block the gene exchange between populations of the two sea areas. The neutrality
tests and mismatch distribution indicated recent population expansion in Pacific herring. |
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