Genetic diversity within and among populations of the endangered species Taxus fuana (Taxaceae) from Pakistan and implications for its conservation
Shah, Amin1,2; Li, De-Zhu1; Gao, Lian-Ming1; Li, Hong-Tao1,2; Moeller, Michael3
2008-03-01
发表期刊BIOCHEMICAL SYSTEMATICS AND ECOLOGY
ISSN0305-1978
卷号36期号:3页码:183-193
摘要The West Himalayan yew, Taxus fuana Nan Li & R.R. Mill (Taxaceae), is an endangered species endemic to the Western Himalayas. An investigation of the genetic diversity of wild populations of T.fuana in Pakistan was undertaken. The genetic diversity and genetic structure was quantified using random amplified polymorphic DNA (RAPD) variation in 219 individuals of the 10 populations. Of the 32 universal primers screened 16 produced highly reproducible, clear RAPD bands. Using these primers, 193 discernible DNA fragments were generated, of which 164 (84.97%) were polymorphic. The statistical results indicated that there was a relatively low genetic diversity within populations (with percentages of polymorphic bands, PPB, ranging from 29.53 to 50.26%, with an average of 38.34% and a Nei's genetic diversity index (H-E) of 0.1165), and a high genetic differentiation among populations (G(ST) = 0.5842, Phi(ST) = 0.5685) within these populations. The gene flow (N-m) was low with only 0.3558. The distribution of genetic diversity revealed among the wild populations of T.fuana in Pakistan may result from their evolutionary history including habitat fragmentation, genetic drift combined with limited gene flow. The results are unexpected for an outcrossing, wind-pollinated and long-lived woody species. Based on these findings, conservation concerns are discussed together with possible strategies for implementing in situ and ex situ conservation. (c) 2007 Elsevier Ltd. All rights reserved.
关键词Gene Flow Genetic Diversity Pakistan Population Structure Rapd Taxus Fuana
学科领域Biochemistry & Molecular Biology ; Ecology ; Evolutionary Biology
DOI10.1016/j.bse.2007.09.012
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Environmental Sciences & Ecology ; Evolutionary Biology
WOS类目Biochemistry & Molecular Biology ; Ecology ; Evolutionary Biology
WOS记录号WOS:000253246900004
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被引频次:30[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/151853/2785
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.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Royal Bot Gardens, Edinburgh EH3 5LR, Midlothian, Scotland
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Shah, Amin,Li, De-Zhu,Gao, Lian-Ming,et al. Genetic diversity within and among populations of the endangered species Taxus fuana (Taxaceae) from Pakistan and implications for its conservation[J]. BIOCHEMICAL SYSTEMATICS AND ECOLOGY,2008,36(3):183-193.
APA Shah, Amin,Li, De-Zhu,Gao, Lian-Ming,Li, Hong-Tao,&Moeller, Michael.(2008).Genetic diversity within and among populations of the endangered species Taxus fuana (Taxaceae) from Pakistan and implications for its conservation.BIOCHEMICAL SYSTEMATICS AND ECOLOGY,36(3),183-193.
MLA Shah, Amin,et al."Genetic diversity within and among populations of the endangered species Taxus fuana (Taxaceae) from Pakistan and implications for its conservation".BIOCHEMICAL SYSTEMATICS AND ECOLOGY 36.3(2008):183-193.
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