Panax species identification with the assistance of DNA data
Zhou, Mingmei1,2; Gong, Xun1; Pan, Yuezhi1
2018-10-01
发表期刊GENETIC RESOURCES AND CROP EVOLUTION
ISSN0925-9864
卷号65期号:7页码:1839-1856
摘要Panax species have been used as medicinal plants in China and adjacent areas, but the difficulty in wild species identification based on morphological characters prevents the exploration and utilization of these resources. To assist in identifying the species, three plastid intergenic spacers and four nuclear genes of 129 samples from 20 different localities were sequenced to conduct the clustering analyses. P. stipuleanatus and P. notoginseng were relatively easy to be distinguished from other species based on morphological characters and clustering results. Three samples collected from Laos grouped together with those collected from Jinping (China), and they were all identified as P. vietnamensis. However, the fourth one LW4 had closer genetic relationship to P. notoginseng than to P. vietnamensis. Although they were morphologically different in petiolule length, the samples preliminarily identified as P. zingiberensis grouped together in the clustering analyses, and the results of STRUCTURE analysis suggested that samples collected from Zhenyuan shared some genetic component with P. vietnamensis. As for the samples identified as P. japonicus and P. wangianus, there were so many variations in leaves, rhizomes and rootstocks that it was difficult to differentiate them from each other. Molecular data also showed that these taxa were genetically admixed and the samples identified as P. wangianus could be classified into P. japonicus. The nucleotide diversity results indicated that the wild relatives had more substantial genetic diversity compared to P. notoginseng.
关键词Panax Morphological characters DNA sequencing Species identification Genetic diversity
资助信息National Natural Science Foundation of China
语种英语
资助项目National Natural Science Foundation of China[31570339]
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/62425
专题资源植物与生物技术所级重点实验室
通讯作者Gong, Xun; Pan, Yuezhi
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Beijing 100049, Peoples R China
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Zhou, Mingmei,Gong, Xun,Pan, Yuezhi. Panax species identification with the assistance of DNA data[J]. GENETIC RESOURCES AND CROP EVOLUTION,2018,65(7):1839-1856.
APA Zhou, Mingmei,Gong, Xun,&Pan, Yuezhi.(2018).Panax species identification with the assistance of DNA data.GENETIC RESOURCES AND CROP EVOLUTION,65(7),1839-1856.
MLA Zhou, Mingmei,et al."Panax species identification with the assistance of DNA data".GENETIC RESOURCES AND CROP EVOLUTION 65.7(2018):1839-1856.
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