Genetic diversity and structure of Munronia delavayi Franch. (Meliaceae), an endemic species in the dry-hot valley of Jinsha River, south-western China
Jia, Jing1,2; Wu, Hao1; Wang, Jin-Feng3; Gong, Xun1; Gong,X (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Plant Divers & Biogeog East Asia,132 Lanhei Rd,Kunming 650201,Peoples R China.; gongxun@mail.kib.ac.cn
2014-10-01
发表期刊GENETIC RESOURCES AND CROP EVOLUTION
ISSN0925-9864
卷号61期号:7页码:1381-1395
产权排序第一
摘要Munronia delavayi Franch. (Meliaceae) is a vulnerable perennial species that is narrowly distributed and endemic to the dry-hot valley of the middle/lower Jinsha River. However, 12 hydropower stations are currently scheduled to be built in the middle and lower Jinsha River drainage and their distribution overlaps with the range of M. delavayi. The construction of these hydropower stations will cause flooding of the adjacent habitats that support M. delavayi and will change the local ecological environment, which may result in a new and dangerous situation for the survival of this species. Our aim was to evaluate the population structure and propose the most suitable conservation strategy for M. delavayi to support its adaptive potential. In this study, we collected 70 individuals from seven populations that covered most of the geographic range along the Jinsha River and investigated the population diversity, genetic structure and demographic history of this species by analyzing the variations in one mitochondrial marker (18sf-5sr), two non-coding chloroplast DNA regions (trnT-trnL, trnS-trnG), and one nuclear DNA marker (Gs687f-994r). As a result, three mitotypes, nine chlorotypes and six haplotypes with high genetic diversity (H-T = 0.580, 0.774 and 0.740) were detected based on mtDNA, cpDNA and nDNA and a strong genetic structure (F-ST = 0.855 and 0.545) was detected based on cpDNA and nDNA. Our study also indicated that habitat fragmentation and limited gene flow may result in the genetic differentiation of this species and that the population distributed in Qiaojia, Yongshan and Panzhihua should be proactively protected based on the conservation genetic analysis.
关键词Conservation Genetics Dry-hot Valley Hydropower Stations Munronia Delavayi Mitochondrial Chloroplast And Nuclear Genomes
资助信息National Natural Science Foundation of China [30870242]
学科领域Agriculture ; Plant Sciences
DOI10.1007/s10722-014-0120-7
收录类别SCI
语种英语
WOS研究方向Agriculture ; Plant Sciences
WOS类目Agronomy ; Plant Sciences
WOS记录号WOS:000343288500011
引用统计
被引频次:3[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/151853/18420
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 Plant Divers & Biogeog East Asia,132 Lanhei Rd,Kunming 650201,Peoples R China.; gongxun@mail.kib.ac.cn
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Zhejiang Forestry Acad, Hangzhou 310000, Zhejiang, Peoples R China
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GB/T 7714
Jia, Jing,Wu, Hao,Wang, Jin-Feng,et al. Genetic diversity and structure of Munronia delavayi Franch. (Meliaceae), an endemic species in the dry-hot valley of Jinsha River, south-western China[J]. GENETIC RESOURCES AND CROP EVOLUTION,2014,61(7):1381-1395.
APA Jia, Jing,Wu, Hao,Wang, Jin-Feng,Gong, Xun,Gong,X ,&gongxun@mail.kib.ac.cn.(2014).Genetic diversity and structure of Munronia delavayi Franch. (Meliaceae), an endemic species in the dry-hot valley of Jinsha River, south-western China.GENETIC RESOURCES AND CROP EVOLUTION,61(7),1381-1395.
MLA Jia, Jing,et al."Genetic diversity and structure of Munronia delavayi Franch. (Meliaceae), an endemic species in the dry-hot valley of Jinsha River, south-western China".GENETIC RESOURCES AND CROP EVOLUTION 61.7(2014):1381-1395.
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