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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->2010 Vol.29 No.3

State of Gene Flow between Captive Giant Pandas Populations
Author of the article:SUN Xiao-ya1, ZHANG Zhi-he2 *, ZHANG Wen-ping2, SHEN Fu-jun2, WANG Yue-zhao1 *
Author's Workplace:(1. Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, China;2. The Sichuan Key Laboratory of Conservation Biology on Endangered Wildlife-The Developing State Key Laboratory for Endangered Wildlife Conservation Biology of Sichuan Province, Chengdu Research Base of Giant Panda Breeding, Chengdu 610081, China)
Key Words:captive giant panda (Ailuropoda melanoleuca); microsatellite; gene flow; genetic management
Abstract:In order to investigate the gene flow between captive giant panda populations, we used blood samples or frozen sperm from 68 captive giant pandas from the Chengdu Research Base of Giant Panda Breeding (referred to as Chengdu) and the China Research and Conservation Center for the Giant Panda (referred to as Wolong). The information from 7 microsatellite loci shows that captive giant pandas maintained high genetic diversity with AR = 4.66, A = 4.71, Ho = 0.617, and He = 0.618 in Wolong and AR = 4.76, A = 4.86, Ho = 0.611, and He = 0.639 in Chengdu. Although there’s a higher inbreeding level at Chengdu than at Wolong (Fis = 0.045 in Chengdu and Fis = 0.002 in Wolong), the level of all captive giant pandas is low with Fis = 0.026. There is a low level of genetic variabilities between Chengdu and Wolong with Fst = 0.041 (P = 0.001). Phylogenetic and Bayesian population genetic algorithms to STR variation show that gene flow is in one direction from Wolong to Chengdu, which is proved by the family tree of captive giant pandas. Therefore, managing captive giant pandas should shift its focus to exchanging individuals within breeding centers and/or zoos.
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