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Genetic diversity, demographical history and conservation aspects of the endangered yew tree Taxus contorta (syn. Taxus fuana) in Pakistan
Poudel, Ram C.1,2,3; Moeller, Michael1,3; Li, De-Zhu1,2; Shah, Amin4; Gao, Lian-Ming1; Li,DZ (reprint author),Chinese Acad Sci,Key Lab Plant Divers & Biogeog East Asia,Kunming Inst Bot,132 Lanhei Rd,Kunming 650201,Yunnan,Peoples R China.; dzl@mail.kib.ac.cn; gaolm@mail.kib.ac.cn
2014-06-01
发表期刊TREE GENETICS & GENOMES
ISSN1614-2942
卷号10期号:3页码:653-665
摘要The western Himalayan yew (Taxus contorta Griffith, synonym Taxus fuana Nan Li & R.R. Mill), one of the highly prized tree species for its anticancer properties, is experiencing severe reduction in populations across its range in Pakistan. We examined a chloroplast DNA region (trnL-F) and ten nuclear microsatellite loci variations among seven populations to investigate the levels of genetic diversity and reconstruct the demographic history of T. contorta in Pakistan. A low haplotype diversity (H (T) = 0.182), moderate level of microsatellite diversity (H (E) = 0.541 +/- 0.034), significant population differentiation (F (ST) = 0.107) and high level of inbreeding (F (IS) = 0.219-0.418) characterized this species. Results of an approximate Bayesian computation (ABC), mismatch distribution analysis, neutrality tests and data on glacial chronologies of the western Himalaya indicated a historic demographic expansion of T. contorta populations from small ancestral populations. This expansion is estimated to have occurred at least 37.5 thousand years ago (kya) during the late Pleistocene. An unprecedented level of habitat disturbance over the last few decades, coupled with the highly variable climate may have played an important role in shaping the genetic structure of the extant T. contorta populations. We have discussed a range of sustainable management measures for the ecological restoration of remnant populations as well as for a sustainable exploitation of this plant of high economic potential.
关键词Conservation Habitat Fragmentation Inbreeding Chloroplast Dna Nuclear Microsatellites Western Himalaya
资助信息National Key Basic Research Program of China [2014CB954100]; Chinese Academy of Sciences [KJZD-EW-L07]; National Natural Science Foundation of China [31370252, 30700042]; Rural and Environment Science and Analytical Services division (RESAS) in the Scottish Government
学科领域Forestry ; Genetics & Heredity ; Agriculture
DOI10.1007/s11295-014-0711-7
收录类别SCI
语种英语
WOS研究方向Forestry ; Genetics & Heredity ; Agriculture
WOS类目Forestry ; Genetics & Heredity ; Horticulture
WOS记录号WOS:000336399200018
引用统计
被引频次:12[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/151853/18161
专题中国西南野生生物种质资源库
通讯作者Li,DZ (reprint author),Chinese Acad Sci,Key Lab Plant Divers & Biogeog East Asia,Kunming Inst Bot,132 Lanhei Rd,Kunming 650201,Yunnan,Peoples R China.; dzl@mail.kib.ac.cn; gaolm@mail.kib.ac.cn
作者单位1.Chinese Acad Sci, Key Lab Plant Divers & Biogeog East Asia, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Plant Germplasm & Genom Ctr, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China
3.Royal Bot Garden Edinburgh, Edinburgh EH3 5LR, Midlothian, Scotland
4.Univ Sargodha, Dept Biol Sci, Sargodha 40100, Punjab, Pakistan
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Poudel, Ram C.,Moeller, Michael,Li, De-Zhu,et al. Genetic diversity, demographical history and conservation aspects of the endangered yew tree Taxus contorta (syn. Taxus fuana) in Pakistan[J]. TREE GENETICS & GENOMES,2014,10(3):653-665.
APA Poudel, Ram C..,Moeller, Michael.,Li, De-Zhu.,Shah, Amin.,Gao, Lian-Ming.,...&gaolm@mail.kib.ac.cn.(2014).Genetic diversity, demographical history and conservation aspects of the endangered yew tree Taxus contorta (syn. Taxus fuana) in Pakistan.TREE GENETICS & GENOMES,10(3),653-665.
MLA Poudel, Ram C.,et al."Genetic diversity, demographical history and conservation aspects of the endangered yew tree Taxus contorta (syn. Taxus fuana) in Pakistan".TREE GENETICS & GENOMES 10.3(2014):653-665.
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