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干旱区科学
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A preliminary molecular historical biogeography of Caragana (Leguminosae) based on ITS and trnL-F DNA sequence data
MingLi ZHANG, Yun KANG, JunBo YANG
1 Laboratory of Evolution and Biodiversity Conservation in Arid Region, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2 Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; 3 School of Pharmacy, Fudan University, Shanghai 200032, China; 4 Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China
A preliminary molecular historical biogeography of Caragana (Leguminosae) based on ITS and trnL-F DNA sequence data
MingLi ZHANG, Yun KANG, JunBo YANG
1 Laboratory of Evolution and Biodiversity Conservation in Arid Region, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2 Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; 3 School of Pharmacy, Fudan University, Shanghai 200032, China; 4 Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China
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摘要 The nrDNA internal transcribed spacer (ITS) and cpDNA trnL-F internal spacer (IGS) sequence data of Caragana eight species and one outgroup Halimodendron halodendron, was employed to reconstruct a phylogenetic tree, then the area relationship was analyzed by means of component analysis (CA), Brooks parsimony analysis (BPA), and dispersal-vicariance analysis (DIVA), six areas were selected from two divided distributions of East Asia and Tethys in Caragana. The phylogenetic tree indicated that there were three distinctive groups, which were attributed to some morphological characters, first with pinnate foliage and deciduous rachis, second with palmate foliage and persistent sclerotic stick rachis, and third with pinnate foliage and persistent sclerotic stick rachis. The results of CA and BPA illustrated general area relationships. An explicit area relationship should be Altai-Sayan, Far East-NE China and North China (Hengduan Mountains). DIVA recognized several explanatory vicariance and dispersal events. As the scenario of Caragana distribution pattern, it looks like the vicariance versus dispersal plays more important role. In vicaraince, there are not only the isolated far-distance vicariance, but also the adjacent vicariance especially a vicariance between Hengduan Mountains and North China.
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MingLi ZHANG
Yun KANG
JunBo YANG
Abstract: The nrDNA internal transcribed spacer (ITS) and cpDNA trnL-F internal spacer (IGS) sequence data of Caragana eight species and one outgroup Halimodendron halodendron, was employed to reconstruct a phylogenetic tree, then the area relationship was analyzed by means of component analysis (CA), Brooks parsimony analysis (BPA), and dispersal-vicariance analysis (DIVA), six areas were selected from two divided distributions of East Asia and Tethys in Caragana. The phylogenetic tree indicated that there were three distinctive groups, which were attributed to some morphological characters, first with pinnate foliage and deciduous rachis, second with palmate foliage and persistent sclerotic stick rachis, and third with pinnate foliage and persistent sclerotic stick rachis. The results of CA and BPA illustrated general area relationships. An explicit area relationship should be Altai-Sayan, Far East-NE China and North China (Hengduan Mountains). DIVA recognized several explanatory vicariance and dispersal events. As the scenario of Caragana distribution pattern, it looks like the vicariance versus dispersal plays more important role. In vicaraince, there are not only the isolated far-distance vicariance, but also the adjacent vicariance especially a vicariance between Hengduan Mountains and North China.
收稿日期:  2009-08-24      修回日期:  2009-09-26           出版日期:  2009-11-09      发布日期:  2009-11-09      期的出版日期:  2009-11-09
基金资助: Chinese Academy of Sciences (KSCX-YW-2-069)
通讯作者:  MingLi ZHANG    E-mail:  minglizhang@hotmail.com
引用本文:    
MingLi ZHANG, Yun KANG, JunBo YANG. A preliminary molecular historical biogeography of Caragana (Leguminosae) based on ITS and trnL-F DNA sequence data[J]. 干旱区科学, 10.3724/SP.J.1227.00064.
MingLi ZHANG, Yun KANG, JunBo YANG. A preliminary molecular historical biogeography of Caragana (Leguminosae) based on ITS and trnL-F DNA sequence data. Journal of Arid Land, 2009, 1(1): 64-73.
链接本文:  
http://jal.xjegi.com/CN/10.3724/SP.J.1227.00064  或          http://jal.xjegi.com/CN/Y2009/V1/I1/64
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