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Inter-simple sequence repeats (ISSR) primer screening and preliminary evaluation of genetic diversity in Rheum tanguticum
Hu, Yanping; Wang, Li; Li, Yi
2011-10-30
发表期刊JOURNAL OF MEDICINAL PLANTS RESEARCH
卷号5期号:24页码:5907-5911
文章类型Article
摘要Rheum tanguticum Maxim. ex Balf. is an important medicinal plant endemic to Qinghai-Tibetan Plateau. Inter-simple sequence repeats (ISSR) was used to assess genetic diversity of four R. tanguticum populations from Golog Tibetan Autonomous Prefecture, Qinghai, China. Fifteen efficient primers were screened and amplified 342 polymorphic bands out of which 340 (PPB = 99.42%) were polymorphic. Nei's gene diversity (H(e)) and Shannon index (I) revealed a high level of genetic diversity with H(e) = 0.2385 and I = 0.3794. Further, the coefficient of gene differentiation (G(st)) and gene flow (N(m)) were 0.2054 and 1.9347, respectively. Analysis of molecular variation (AMOVA) showed that most of the genetic variation (71.48%) occurred within populations, whereas the variance among populations was only 28.52%. The UPGMA tree illustrated that populations from JK and DK were genetically close related, while the population from DW was found to be the most diverse from the other three. The high genetic diversity implies that the wild resources of this species could be restored soon if an appropriate and efficient protection strategy was employed. Our results also provided a useful method for evaluating the genetic diversity of R. tanguticum using ISSR markers which was suitable for further investigation.
关键词Rheum Tanguticum Inter-simple Sequence Repeats (Issr) Genetic Diversity Population
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]POPULATIONS
收录类别SCI
语种英语
WOS研究方向Pharmacology & Pharmacy
WOS类目Chemistry, Medicinal
WOS记录号WOS:000297461300038
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/6931
专题中国科学院西北高原生物研究所
作者单位Chinese Acad Sci, NW Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810001, Peoples R China
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Hu, Yanping,Wang, Li,Li, Yi. Inter-simple sequence repeats (ISSR) primer screening and preliminary evaluation of genetic diversity in Rheum tanguticum[J]. JOURNAL OF MEDICINAL PLANTS RESEARCH,2011,5(24):5907-5911.
APA Hu, Yanping,Wang, Li,&Li, Yi.(2011).Inter-simple sequence repeats (ISSR) primer screening and preliminary evaluation of genetic diversity in Rheum tanguticum.JOURNAL OF MEDICINAL PLANTS RESEARCH,5(24),5907-5911.
MLA Hu, Yanping,et al."Inter-simple sequence repeats (ISSR) primer screening and preliminary evaluation of genetic diversity in Rheum tanguticum".JOURNAL OF MEDICINAL PLANTS RESEARCH 5.24(2011):5907-5911.
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