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题名: Conservation genetics and population diversity of Erigeron breviscapus (Asteraceae), an important Chinese herb
作者: Li, Xiang1, 2; Zhang, Shudong1, 2; Yang, Zhiyun3; Song, Kexian4; null(伊廷双)1, 2
刊名: BIOCHEMICAL SYSTEMATICS AND ECOLOGY
关键词: Erigeron breviscapus ; Asteraceae ; Population structure ; Genetic diversity ; Conservation genetics ; AFLP ; Correlation test ; Altitude
英文摘要: Erigeron breviscapus (Vant.) Hand.-Mazz. is an important Chinese herb in treating cerebral infarction and heart diseases, which is increasingly endangered because of over-harvesting and habitat fragmentation. We applied AFLP method to investigate its genetic diversity and population structure in order to make efficient conservation strategies. The results indicated a relatively low intraspecific genetic diversity and feeble genetic differentiation among populations, and no Evolutionarily Significant Units (ESUs) was detected. The relationships between population genetic diversity and populations' distributions (latitude, longitude and altitude) were tested, and the genetic diversity of each population (H-POP) positively correlated with the populations' distribution altitudes. The suitable germinating and growing conditions and less human disturbance at the higher latitude regions might be attributable for this phenomenon. For conservation purpose, an ex situ conservation measure for the populations of E. breviscapus with large size in higher altitude regions should be conserved in priority. (c) 2013 Elsevier Ltd. All rights reserved.
出版日期: 2013-08-01
卷号: 49, 页码:156-166
语种: 英语
收录类别: SCI
学科分类: Biochemistry & Molecular Biology; Ecology; Evolutionary Biology
ISSN号: 0305-1978
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16861
Appears in Collections:中国西南野生生物种质资源库_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Plant Germplasm & Genom Ctr, Germplasm Bank Wild Species, Kunming 650201, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Kunming 650201, Peoples R China
4.Dawan Middle Sch Chengdu, Chengdu 610300, Peoples R China

Recommended Citation:
Li, Xiang; Zhang, Shudong; Yang, Zhiyun; Song, Kexian; Yi, Tingshuang.Conservation genetics and population diversity of Erigeron breviscapus (Asteraceae), an important Chinese herb,BIOCHEMICAL SYSTEMATICS AND ECOLOGY,2013,49():156-166
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