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| Population genetic dynamics of Himalayan-Hengduan tree peonies, Paeonia subsect. Delavayanae | |
| Zhang, Jin-Mei; Lopez-Pujol, Jordi; Gong, Xun3; Wang, Hua-Feng; Vilatersana, Roser2; Zhou, Shi-Liang | |
| 2018 | |
| 发表期刊 | MOLECULAR PHYLOGENETICS AND EVOLUTION
 |
| ISSN | 1055-7903 |
| 卷号 | 125页码:62-77 |
| 摘要 | According to the present taxonomical treatment, Paeonia subsect. Delavayanae consists of only two species (P. delavayi and P. ludlowii) endemic to the Himalayan-Hengduan Mountains. Although P. ludlowii can be distinguished from P. delavayi on the basis of a series of morphological characters, the species delimitation remains controversial because the more widespread one, P. delavayi, exhibits considerable morphological diversity. Both chloroplast DNA markers and nuclear microsatellites or simple sequence repeats (nSSR) are used herein to reveal genetic diversity and relationships of the two taxa included in this subsection, and ecological niche modeling (ENM) is employed to get insights into their paleodistribution. Our results show that genetic boundaries between the two currently recognized species are unclear, probably due to recent divergence. Paeonia ludlowii is budding from P. delavayi, probably by genetic isolation but also by shifting its niche to the harsher upland Tibetan conditions. Paeonia delavayi itself would be, however, under active speciation, showing significant genetic differentiation and morphological diversity. Whereas P. ludlowii would have endured the Pleistocene glacial periods by in situ persistence in local, small refugia, a 'dual' model seems to apply for P. delavayi (in situ persistence and retreat to refugia). The rarity of P. ludlowii and high evolutionary potential of P. delavayi imply high priority for in situ conservation of both taxa. The Himalayan-Hengduan Mountains are an ideal arena for differentiation within subsect. Delavayanae of Paeonia, by means of expansions/contractions/displacements, vertical migrations, and local survival/extinctions in response to the Neogene climate fluctuations and geological changes. |
| 关键词 | Biogeography Conservation Genetic diversity Paeonia Differentiation |
| 学科领域 | Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity |
| DOI | 10.1016/j.ympev.2018.03.003 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS关键词 | LAST GLACIAL MAXIMUM ; MICROSATELLITE NULL ALLELES ; TIBETAN PLATEAU ; EVOLUTIONARY HISTORY ; STATISTICAL TESTS ; COMPUTER-PROGRAM ; F-STATISTICS ; PLANT ; CHINA ; MOUNTAINS |
| WOS记录号 | WOS:000432583900006 |
| 出版者 | ACADEMIC PRESS INC ELSEVIER SCIENCE |
| 文献子类 | Article |
| 出版地 | SAN DIEGO |
| EISSN | 1095-9513 |
| 资助机构 | National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [NSFC 30121003] ; Ministry of Science and Technology of ChinaMinistry of Science and Technology, China [2012BAC01B05] |
| 作者邮箱 | jlopez@ibb.csic.com ; slzhou@ibcas.ac.cn |
| 作品OA属性 | Green Submitted |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ibcas.ac.cn/handle/2S10CLM1/20481 |
| 专题 | 系统与进化植物学国家重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Nanxincun 20, Beijing 100093, Peoples R China 2.CAAS, ICS, Natl Genebank, Nan Dajie 12, Beijing 100081, Peoples R China 3.CSIC, ICUB, IBB, Bot Inst Barcelona, Passeig Migdia S-N, Barcelona 08038, Spain 4.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China 5.Hainan Univ, Inst Trop Agr & Forestry, Hainan Key Lab Sustainable Utilizat Trop Bioresou, Haikou 570228, Hainan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Jin-Mei,Lopez-Pujol, Jordi,Gong, Xun,et al. Population genetic dynamics of Himalayan-Hengduan tree peonies, Paeonia subsect. Delavayanae[J]. MOLECULAR PHYLOGENETICS AND EVOLUTION,2018,125:62-77. |
| APA | Zhang, Jin-Mei,Lopez-Pujol, Jordi,Gong, Xun,Wang, Hua-Feng,Vilatersana, Roser,&Zhou, Shi-Liang.(2018).Population genetic dynamics of Himalayan-Hengduan tree peonies, Paeonia subsect. Delavayanae.MOLECULAR PHYLOGENETICS AND EVOLUTION,125,62-77. |
| MLA | Zhang, Jin-Mei,et al."Population genetic dynamics of Himalayan-Hengduan tree peonies, Paeonia subsect. Delavayanae".MOLECULAR PHYLOGENETICS AND EVOLUTION 125(2018):62-77. |
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