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论文 |
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论文题目: |
Genetic diversity of the traditional Chinese medicinal plant Ypsilandra thibetica (Melanthiaceae): Applications for conservation
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论文题目英文: |
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作者: |
Li, Hong-Tao; Wang, Hong; Yang, Jun-Bo; Li, De-Zhu
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论文出处: |
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年: |
2011
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卷: |
39 |
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2012-4-6 |
页: |
425-433 |
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发表期刊: |
BIOCHEMICAL SYSTEMATICS AND ECOLOGY |
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影响因子: |
1.136
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摘要: |
Twelve microsatellite markers were developed to determine the genetic diversity and genetic structure of Ypsilandra thibetica, represented by a total of 90 individuals from six natural populations. All twelve microsatellite loci were polymorphic, and the results indicated that a high genetic diversity was present within populations (mean R(S) = 4.996; mean H(E) = 0.615), with high levels of genetic structure (mean F(ST) = 0.165; mean F(IS) = 0.692) among populations. This pattern is likely attributable to consanguineous mating, and this hypothesis is supported by a low relatedness coefficient. Our study suggested that environment factors might restrict gene flow among populations. In addition, physical distances between populations were not related to genetic distances, implying that ancestral populations might have been distributed over a wider area. These results suggest that Y. thibetica should be a high priority for conservation managers. (C) 2011 Elsevier Ltd. All rights reserved. |
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