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Y chromosome polymorphism found among house shrew populations in Myanmar

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Title: Y chromosome polymorphism found among house shrew populations in Myanmar
Authors: HORAI, Haruka Browse this author
OHDACHI, Satoshi Browse this author →KAKEN DB
MOTOKAWA, Masaharu Browse this author
LIN, Kyaw San Browse this author
OO, Thida Browse this author
SWE, Khin Yu Yu Browse this author
THAN, Wynn Browse this author
MEKADA, Kazuyuki Browse this author
Issue Date: Feb-2018
Publisher: Nature Fieldwork Center,Okayama University of Science
Journal Title: Naturalistae
Volume: 22
Start Page: 39
End Page: 44
Abstract: The house shrew (Suncus murinus) is a small mammalian species that is widespread in South Asia and Southeast Asia. Preceding analyses of mitochondrial DNA polymorphisms revealed two major groups among the wild populations of this species, continental and insular, and the division was inferred to lie in the central part of Myanmar. However, the wild house shrew populations in Myanmar are also known to comprise more than two groups. Considering this information, the present study attempted to further elucidate the wild population structure of house shrews in regions around Myanmar. We prepared chromosomal samples from the house shrews captured in several localities in Myanmar and compared the band patterns. The autosomal and X-chromosomal band patterns obtained from these animals resembled those of the standard suncus karyotype (continental type). In contrast, Y chromosomes revealed a considerable range of inter-individual variations. The absence of any common regionality in the distribution of Y chromosome polymorphisms suggests that the wild populations of house shrews in Myanmar are formed through a more complicated process than formerly postulated.
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Type: article
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大舘 智志

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