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High genetic diversity in a rare, narrowly endemic primrose species: Primula interjacens by ISSR analysis
Xue, DW; Ge, XJ; Hao, G; Zhang, CQ
2004-10-01
发表期刊ACTA BOTANICA SINICA
ISSN1672-6650
卷号46期号:10页码:1163-1169
摘要Primula interjacens Chen (Primulaceae) is a rare and narrow endemic species of centralsouth of Yunnan Province in China. This species consists of two varieties: P. interjacens var. interjacens known with only one population, and P interjacens var. epilosa with two populations. Inter-simple sequence repeat (ISSR) marker was used to detect the genetic diversity of the three extant populations. We expected a low genetic diversity level, but our results revealed a high level of intraspecific genetic diversity (at population level: P = 59.75%, H-E = 0.236 8, and Hpop 0.345 9; at species level: P =75.47%, H-T= 0.320 5, and Hsp = 0.461 8), probably resulting from floral heteromorphism and preferring outcrossing. A moderate level of genetic differentiation among populations was detected based on Nei's genetic diversity analysis (26.13%) and Shannon's diversity index (25.09%). Although P interjacens var. interjacens and P interjacens var. epilosa were morphologically distinct, UPGMA cluster analysis showed that the two varieties had no distinct genetic differentiation and may be treated as a single taxon. Conservation measures are suggested, including in situ and ex situ strategies, based on the observed population genetic information.
关键词Primula Interjacens Endemic Issr Genetic Diversity Variety Conservation Strategy
学科领域Biochemistry & Molecular Biology ; Plant Sciences
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Plant Sciences
WOS类目Biochemistry & Molecular Biology ; Plant Sciences
WOS记录号WOS:000224622100005
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被引频次:31[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/151853/13509
专题离退休
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, S China Bot Garden, Guangzhou 510650, Peoples R China
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GB/T 7714
Xue, DW,Ge, XJ,Hao, G,et al. High genetic diversity in a rare, narrowly endemic primrose species: Primula interjacens by ISSR analysis[J]. ACTA BOTANICA SINICA,2004,46(10):1163-1169.
APA Xue, DW,Ge, XJ,Hao, G,&Zhang, CQ.(2004).High genetic diversity in a rare, narrowly endemic primrose species: Primula interjacens by ISSR analysis.ACTA BOTANICA SINICA,46(10),1163-1169.
MLA Xue, DW,et al."High genetic diversity in a rare, narrowly endemic primrose species: Primula interjacens by ISSR analysis".ACTA BOTANICA SINICA 46.10(2004):1163-1169.
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