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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2016 Vol.35 No.5

The Evolutionary Status Analysis of Dwarf Blue Sheep Based on DNA Barcording and Microsatellite Markers
Author of the article:TAN Shuai, PENG Rui, PENG Quekun, ZOU Fangdong*
Author's Workplace:Sichuan Key Laboratory of Conservation Biology on Endangered Wildlife, Key Laboratory of Bio-resources and Eco-environment, College of Life Sciences, Sichuan University, Chengdu 610064, China
Key Words:Pseudois nayaur; dwarf blue sheep; genetic differentiation; DNA barcording; microsatellite markers
Abstract:As a unique species in genus Pseudois, Pseudois nayaur is endemic to the Tibetan Plateau and surrounding mountains, and this species is also the representative ungulate herbivore in this area. The taxonomic status of a specific population named dwarf blue sheep has been widely debated. In this study, 26 samples including 5 dwarf blue sheep were collected from the distribution area. The DNA barcording and 8 nuclear microsatellite markers were chosen to discuss the phylogenetic relationships among dwarf blue sheep and different geographic populations of P. nayaur, and to study the evolutionary status of dwarf blue sheep in genus Pseudois. The results showed that gene flow occurred between dwarf blue sheep and P. nayaur, and dwarf blue sheep should be classified as a specific population of Sichuan subspecies rather than a new species or a new subspecies. In addition, based on the results of the habitat selection and the ecological data, we speculated that the present dwarf blue sheep was probably in the early stage of separate evolution.
2016,35(5): 654-659 收稿日期:2016-05-03
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