Genetic relationships in Yamato-iwana, a subspecies of white-spotted char, Salvelinus leucomaenis japonicus

広島大学総合博物館研究報告 Issue 9 Page 17-22 published_at 2017-12-25
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Title ( eng )
Genetic relationships in Yamato-iwana, a subspecies of white-spotted char, Salvelinus leucomaenis japonicus
Creator
Miyamoto Kaishin
Source Title
広島大学総合博物館研究報告
Bulletin of the Hiroshima University Museum
Issue 9
Start Page 17
End Page 22
Journal Identifire
[PISSN] 1884-4243
[EISSN] 1884-3999
[NCID] AA12459864
Abstract
The genetic relationships in a subspecies of white-spotted char, Salvelinus leucomaenis japonicus Oshima, distributed in central Japan, were examined based on the DNA sequences in the mitochondrial cytochrome b region. A total of 12 haplotypes were recognized; haplotypes 2 and 5 were co-dominant. Two large clades were observed in a genetic tree. The Hidaka, Yahagi, and Ibi rivers constructed only the larger clade, whereas the Yogo and Sagami rivers constructed only the smaller clade. A small clade of haplotypes 3, 8, and 10 comprising the samples from the Hidaka and Yahagi rivers and almost all samples from Kiso River was separated deeply. In addition, haplotype 8 from the Nomugi (1446 m) site was estimated to be the newest lineage. However, there were no significant correlations between geographical and genetic distances. These results suggest that this subspecies has multiple origins, its genetic structure is determined by other factors than the river basin, and geological events were scarcely involved in its range expansion.
Keywords
Char
genetic relationship
cytochrome b
Salvelinus
NDC
Zoology [ 480 ]
Language
eng
Resource Type departmental bulletin paper
Publisher
広島大学総合博物館
Date of Issued 2017-12-25
Rights
Copyright (c) 2017 広島大学総合博物館 Hiroshima University Museum
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 1884-4243
[NCID] AA12459864