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Genetic distinctiveness of the greater long-tailed hamster, Tscherskia triton nestor (Rodentia: Mammalia), from Jeju Island, Korea: cytochrome oxidase I and cytochrome b sequence analyses

Animal Cells and Systems 2013년 17권 1호 p.31 ~ 35
고홍선, Eger Judith, 오장근, Lim Burton, 이배근, 장경희, 인성택, 이종혁, 김광선, 권구희,
소속 상세정보
고홍선 ( Koh Hung-Sun ) - Chungbuk National University Department of Biology
 ( Eger Judith ) - Royal Ontario Museum Department of Mammalogy
오장근 ( Oh Jang-Geun ) - Research Center of Environment
 ( Lim Burton ) - Royal Ontario Museum Department of Mammalogy
이배근 ( Lee Bae-Keun ) - Chungbuk National University Department of Biology
장경희 ( Jang Kyung-Hee ) - Chungbuk National University Department of Biology
인성택 ( In Seong-Teak ) - Chungbuk National University Department of Biology
이종혁 ( Lee Jong-Hyek ) - Chungbuk National University Department of Biology
김광선 ( Kim Kwang-Seon ) - Chungbuk National University Department of Biology
권구희 ( Kweon Gu-Hee ) - Chungbuk National University Department of Biology

Abstract


To examine the taxonomic status of Tscherskia triton nestor, which inhabits in Korea, we first obtained partial cytochrome oxidase I (COI) (657 bp) and cytochrome b (426 bp) sequences of T. t. nestor from the Korean Jeju Island and Tscherskia triton fuscipes from northeastern China, and these sequences were compared with the corresponding sequences of Tscherskia triton, available from GenBank. In the COI analysis, T. t. nestor from Jeju was distinct from T. t. fuscipe from northeastern China, with the average Jukes?Cantor distance of 3.45%, and in the cytochrome b analysis, T. t. nestor from Jeju was divergent from T. t. fuscipes from northeastern China and T. t. triton from the North China Plain, with the average distance of 3.88%. We conclude that these sequencing results on the distinctiveness of T. t. nestor from Jeju support the current classification of T. t. nestor from Korea, although further analyses with mitochondrial sequences of T. t. nestor from the mainland Korea and nuclear sequences of T. triton from Korea and China are necessary to confirm our findings. In addition, we considered genetically distinct T. t. triton from Jeju as an allopatric phylogroup, which needs special protection for its conservation. Additionally, we found the lack of cytochrome b sequences between T. t. fuscipes from northeastern China and T. t. triton in the North China Plain, although further systematic analyses to clarify the taxonomic status of T. t. fuscipes are necessary.

키워드

biogeography; COI; cytochrome b gene; the Jeju Island; Tscherskia triton nestor

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