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Issue:ISSN 1000-7083
          CN 51-1193/Q
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Your Position :Home->Past Journals Catalog->2008 Vol.27 No.5

Genetic Biodiversity of Oxya japonica in Partial Populations
Author of the article:ZHANG Jian-zhen, MA En-bo*, GUO Ya-ping
Author's Workplace:(College of Life Science and Technology, Shanxi University, Taiyuan 030006, China)
Key Words:Oxya japonica; RAPD; genetic diversity
Abstract:The genetic relationships of six populations (collected from Hebei Pingshan, Jiangsu Xuzhou, Zhejiang Hanzhou, Guangdong Guangzhou, Guangxi Nanning, Yunan Tengchongqushimaluchong) of Oxya japonica were studied by random amplified polymorphic DNA (RAPD). The genomic DNA of 57 individuals were amplified using 10 primers. A molecular phylogenetic tree was then constructed by between-groups linkage, UPGMA and NJ. The results suggested that the proportion of polymorphic loci of Yunnan population was the highest. Shannon index showed higher genetic diversity within Yunnan Tengchongqushimaluchong population. A tendency of clustering following a North-South gradient could be observed in the dendrogram, and the results also implied that genetic distance of six populations of O. japonica correlated with geographical distance to some extent.
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