Genetic diversity of Paris polyphylla var. yunnanensis, a traditional chinese medicinal herb, detected by ISSR markers
He, Jun; Wang, Hong; Li, De-Zhu; Chen, Shao-Feng
2007-10-01
发表期刊PLANTA MEDICA
ISSN0032-0943
卷号73期号:12页码:1316-1321
摘要Paris polyphylla Smith var. yunnanensis (Franch.) Hand.-Mazz. is an important Chinese medicinal herb. Because of overharvesting, the wild populations of this herb have greatly declined and become fragmentized. In this paper, ISSR markers were used to determine the genetic diversity and genetic structure of this variety represented by a total of 153 individuals from three natural populations and three cultivated populations. Fourteen primers produced a total of 251 bands, of which 227 were polymorphic (PPB = 90.44%). For the natural populations, the results showed that genetic differentiation was mainly within populations (GST = 0.1952), with low genetic diversity at the population level. At the population level, genetic diversity of the cultivated populations was relatively higher than that of the natural populations (PPB = 57.24% vs. 53.38%, HE = 0.153 vs. 0.151, HO = 0.241 vs. 0.235). This pattern can be explained by the recent introduction and artificial selection of cultivars from comparatively wide areas of origin, and subsequent gene flow among populations in cultivation. Although the neighbour-joining cluster analysis seemed to suggest that there was conspicuous genetic differentiation between the natural and cultivated populations, the AMOVA showed that only 4.84% of the total variance existed between groups of natural and cultivated populations, while 67.51% of the variance occurred within populations. In the end, some suggestions for conservation of this important herb are proposed.
关键词Trilliaceae Paris Polyphylla Var. Yunnanensis Issr Genetic Diversity
学科领域Plant Sciences ; Chemistry, Medicinal ; Pharmacology & Pharmacy
DOI10.1055/s-2007-981617
收录类别SCI
语种英语
WOS研究方向Plant Sciences ; Pharmacology & Pharmacy
WOS类目Plant Sciences ; Chemistry, Medicinal ; Pharmacology & Pharmacy
WOS记录号WOS:000250481000015
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/13959
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China
2.Nanchang Univ, Coll Life Sci, Nanchang, Peoples R China
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He, Jun,Wang, Hong,Li, De-Zhu,et al. Genetic diversity of Paris polyphylla var. yunnanensis, a traditional chinese medicinal herb, detected by ISSR markers[J]. PLANTA MEDICA,2007,73(12):1316-1321.
APA He, Jun,Wang, Hong,Li, De-Zhu,&Chen, Shao-Feng.(2007).Genetic diversity of Paris polyphylla var. yunnanensis, a traditional chinese medicinal herb, detected by ISSR markers.PLANTA MEDICA,73(12),1316-1321.
MLA He, Jun,et al."Genetic diversity of Paris polyphylla var. yunnanensis, a traditional chinese medicinal herb, detected by ISSR markers".PLANTA MEDICA 73.12(2007):1316-1321.
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