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Title: Distinct genetic isolation between "Kunimasu" (Oncorhynchus kawamurae) and "Himemasu" (O. nerka) in Lake Saiko, Yamanashi Prefecture, Japan, inferred from microsatellite analysis
Authors: Muto, Nozomu
Nakayama, Kouji  kyouindb  KAKEN_id
Nakabo, Tetsuji
Author's alias: 武藤, 望生
中山, 耕至
中坊, 徹次
Keywords: Oncorhynchus kawamurae
Oncorhynchus nerka
Introgressive hybridization
Genetic diversity
Microsatellite DNA
Issue Date: Apr-2013
Publisher: Springer Japan
Journal title: Ichthyological Research
Volume: 60
Issue: 2
Start page: 188
End page: 194
Abstract: The possibility of interspecific hybridization between Kunimasu (Oncorhynchus kawamurae) and Himemasu (Oncorhynchus nerka) was investigated in a large number of specimens, in a search for basic data relevant to conservation needs. A Bayesian-based clustering method using five microsatellite DNA loci separated 144 specimens from Lake Saiko, Yamanashi Prefecture, into two genetically distinct groups, corresponding to Kunimasu and Himemasu. Application of a threshold of individual proportion of membership of 0.90, so as to separate hybrids from purebreds, resulted in all specimens except two having high probability of purebred. These results implied that Kunimasu and Himemasu have been maintained as independent genetic entities in Lake Saiko.
Rights: The final publication is available at
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1007/s10228-012-0323-x
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