日本北海道虎鲸线粒体DNA单倍型

IF 0.8 4区生物学 Q3 ZOOLOGY

Mammal Study Pub Date : 2021-06-02 DOI:10.3106/ms2020-0072

Y. Mitani, Yuki F. Kita, S. Saino, M. Yoshioka, Hiroshi Ohizumi, Fumio Nakahara

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引用次数: 2

摘要

摘要在这项研究中，我们通过对线粒体基因组的D环和细胞色素b（Cyt-b）区域进行测序，检测了来自日本北海道海岸的虎鲸的基因变异。从八个皮肤活检中鉴定出三个D-环和两个Cyt-b单倍型。这五个单倍型先前已存放在GenBank和国际核苷酸序列数据库合作组织（INSDC）。两个D-环和一个Cyt-b单倍型与先前在日本水域报道的以海洋哺乳动物为食的“瞬态”生态型一致。一个D-环和一个Cyt-b单倍型被鉴定为以鱼类为食的“居民”或“近海”生态型，这是日本水域首次记录到这种生态型。我们的研究表明，日本水域存在不同的生态型，有助于虎鲸的保护和管理。

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Mitochondrial DNA Haplotypes of Killer Whales around Hokkaido, Japan

Abstract. In this study, we examined a genetic variation of killer whales, Orcinus orca, from off the coast of Hokkaido, Japan, by sequencing the D-loop and cytochrome b (Cyt-b) regions of the mitochondrial genome. Three D-loop and two Cyt-b haplotypes were identified from eight skin biopsies. These five haplotypes had been previously deposited at GenBank and the International Nucleotide Sequence Database Collaboration (INSDC). Two D-loop and one Cyt-b haplotypes were consistent with the marine mammal-eating “Transient” ecotype previously reported in Japanese waters. One D-loop and one Cyt-b haplotypes were identified as the fish-eating “Resident” or “Offshore” ecotype that is the first record of this ecotype in Japanese waters. Our study showed that different ecotypes exist in Japanese waters, contributing to the conservation and management of killer whales.

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来源期刊

Mammal Study ZOOLOGY-

CiteScore

1.70

自引率

20.00%

发文量

审稿时长

>12 weeks

期刊介绍： Mammal Study is the official journal of the Mammal Society of Japan. It publishes original articles, short communications, and reviews on all aspects of mammalogy quarterly, written in English.