The population genetic structure and diversification of Aristolochia delavayi (Aristolochiaceae), an endangered species of the dry hot valleys of the Jinsha River, southwestern China
Yang, Zhi-Yun1; Yi, Ting-Shuang2; Zeng, Liang-Qin1; Gong, Xun1; Gong,X (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Econ Plants & Biotechnol,Kunming 650201,Yunnan,Peoples R China.; gongxun@mail.kib.ac.cn
2014-08-01
发表期刊BOTANY-BOTANIQUE
ISSN1916-2790
卷号92期号:8页码:579-587
摘要Aristolochia delavayi Franch. is an endangered species of the dry hot valleys of the Jinsha River, southwestern China. The genetic diversity and structure of the species and the occurrence of gene flow were investigated with eight inter-simple sequence repeat (ISSR) markers and four plastid loci (matK, trnL-trnT, rps4-trnT, and trnC-rpoB). The analysis of ISSR markers indicated that the genetic diversity of the species is relatively high (PPB = 84.71%). Similarly, a high gene diversity of H-T = 0.833 was found based on the four plastid loci. It is possible that this species previously maintained a large effective population size and that the current relict distribution of the species is a result of large-scale fragmentation and habitat destruction. The origin of the species at approximately 3.407 million years ago and the ensuing intraspecific divergence are generally consistent with the history of two major glaciations in this region. Conservation measures are urgently needed to increase the genetic diversity and population size of this species through both in-and ex-situ action.
关键词Aristolochia Delavayi Issr Phylogeographic Hengduan Mountains Conservation Contraction
资助信息National Natural Science Foundation of China [30870242]
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/18406
专题资源植物与生物技术所级重点实验室
通讯作者Gong,X (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Econ Plants & Biotechnol,Kunming 650201,Yunnan,Peoples R China.; gongxun@mail.kib.ac.cn
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Key Lab Biodivers & Biogeog,Plant Germplasm & Gen, Kunming 650201, Yunnan, Peoples R China
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Yang, Zhi-Yun,Yi, Ting-Shuang,Zeng, Liang-Qin,et al. The population genetic structure and diversification of Aristolochia delavayi (Aristolochiaceae), an endangered species of the dry hot valleys of the Jinsha River, southwestern China[J]. BOTANY-BOTANIQUE,2014,92(8):579-587.
APA Yang, Zhi-Yun,Yi, Ting-Shuang,Zeng, Liang-Qin,Gong, Xun,Gong,X ,&gongxun@mail.kib.ac.cn.(2014).The population genetic structure and diversification of Aristolochia delavayi (Aristolochiaceae), an endangered species of the dry hot valleys of the Jinsha River, southwestern China.BOTANY-BOTANIQUE,92(8),579-587.
MLA Yang, Zhi-Yun,et al."The population genetic structure and diversification of Aristolochia delavayi (Aristolochiaceae), an endangered species of the dry hot valleys of the Jinsha River, southwestern China".BOTANY-BOTANIQUE 92.8(2014):579-587.
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