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Population genetic structure and phylogeography of masu salmon (Oncorhynchus masou masou) inferred from mitochondrial and microsatellite DNA analyses

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Title: Population genetic structure and phylogeography of masu salmon (Oncorhynchus masou masou) inferred from mitochondrial and microsatellite DNA analyses
Authors: Yu, Jeong-Nam Browse this author
Azuma, Noriko Browse this author →KAKEN DB
Yoon, Moongeun Browse this author
Brykov, Vladimir Browse this author
Urawa, Shigehiko Browse this author →KAKEN DB
Nagata, Mitsuhiro Browse this author
Jin, Deuk-Hee Browse this author
Abe, Syuiti Browse this author →KAKEN DB
Keywords: Genetic variation
Masu salmon
Microsatellite
Mitochondrial ND5
Phylogeography
Population structure
Issue Date: May-2010
Publisher: Zoological Society of Japan
Journal Title: Zoological science
Volume: 27
Issue: 5
Start Page: 375
End Page: 385
Publisher DOI: 10.2108/zsj.27.375
PMID: 20443684
Abstract: The population genetic structure and phylogeography of masu salmon were investigated by using variation in the mitochondrial NADH dehydrogenase subunit 5 gene (ND5) and six polymorphic microsatellite loci among a total of 895 fish representing 18 populations collected from Japan (9), Russia (7), and Korea (2) from 2000 to 2008. An analysis of ND5 nucleotide sequences revealed 22 variable sites in about 560 bp in the 5′ half of the gene, which defined 20 haplotypes, including some associated with geographical regions. Haplotype and nucleotide diversities were greater in the populations in Japan and Korea than in those in Russia, indicating greater genetic diversity in the Japanese and Korean populations than in the Russian populations. All the microsatellite loci examined showed a high level of variation, but the expected heterozygosity indicated a similar level of genetic diversity among the populations of the three regions, contrary to the results for ND5. However, AMOVA and pairwise population F ST estimates for both ND5 and the microsatellite markers indicated a similar pattern of moderate genetic differentiation among populations of the three regions, and large population groups on the coasts of the Sea of Japan, Sea of Okhotsk, and Pacific Ocean in the Far East. From a mismatch distribution analysis and neutrality test, the observed genetic structure appears to have been influenced primarily by bottlenecks during glacial periods and population expansions during interglacial periods in the late Pleistocene.
Type: article
URI: http://hdl.handle.net/2115/54512
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 東 典子

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