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Abstract Detail


Population Genetics

Su, Yingjuan [1], Wang, Ting [2].

Population genetic variation and differentiation as revealed by cpSSR markers in Taxus chinensis var. mairei (Taxaceae), an rare conifer endemic to China.

Taxus chinensis var. mairei (Taxaceae) is an endangered conifer species endemic to China. Twenty-two populations sampled throughout its range were examined using chloroplast SSR markers. Eight primer pairs generated 176 bands, with 37.5% of polymorphic loci overall. Genetic differentiation of these populations was estimated using conventional methods. The estimates for GST were from 2.85 to 52.63. Using Shannon’s index of phenetic diversity to quantify and further partition genetic diversity, 16.31% of the total genetic diversity was attributed to among populations. Compared with other conifers assayed, low levels of genetic differentiation were detected among T. chinensis var. mairei populations. In terms of the above results, conservation strategies and maintenance plans were recommended.
Supported by National Natural Science Foundation of China (Grant no.: 30771763)


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1 - Sun Yat-sen University, Biochemistry Department, Xingang Xi Road 135, Guangzhou, Guangdong, 510275, China
2 - Wuhan botanical garden, Chinese Academy of Sciences, Evolutionary genetics, Moshan, Wuhan, Hubei, 430074, China

Keywords:
Genetic variation
cpSSR marker
population differentiation
Taxus chinensis var. mairei.

Presentation Type: Oral Paper:Papers for Topics
Session: 32
Location: 214/216/SUB
Date: Tuesday, July 29th, 2008
Time: 8:45 AM
Number: 32004
Abstract ID:280


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