Morphological and molecular evidence for natural hybridization in sympatric population of Roscoea humeana and R. cautleoides (Zingiberaceae)
Du, Guang-Hui1,2; Zhang, Zhi-Qiang1,3; Li, Qing-Jun1
2012-09-01
发表期刊JOURNAL OF PLANT RESEARCH
ISSN0918-9440
卷号125期号:5页码:595-603
摘要The sympatric occurrence of some species in Roscoea is very common, but little information is available on natural hybridization. However, some intermediate individuals were found on the sympatric population of Roscoea humeana and R. cautleoides at Ganhaizi population in northwestern Yunnan Province, China. We suspected that these intermediate individuals were the hybrids of R. humeana and R. cautleoides from the previous evidence, but could not confirm them. In this study, morphometric analysis was followed by examination of HAT-RAPD polymorphisms to determine the occurrence of natural hybridization between sympatric R. humeana and R. cautleoides. The results showed that most morphological characters of the putative hybrids were found to be intermediate between those of R. humeana and R. cautleoides. Meanwhile, molecular analysis confirmed that the morphological intermediates were derived from hybridization between the two species. From the analysis of the NewHybrids, the hybridization individuals were mainly F(1)s. These results indicated that interspecific hybridization between R. humeana and R. cautleoides indeed occurred in sympatric population.
关键词Roscoea Sympatric Occurrence Hybrid Hat-rapd Reproductive Barrier
资助信息National Basic Research Program of China (973 Program) [2007CB411603]; CAS/SEFEA International Partnership Program for Creative Research Teams; Chinese Academy of Sciences [KSCX2-YW-Z-0903]; National Natural Science Foundation of China [31100179]
DOI10.1007/s10265-012-0478-6
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000308065300001
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被引频次:7[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/151853/15774
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Mengla 666303, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
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Du, Guang-Hui,Zhang, Zhi-Qiang,Li, Qing-Jun. Morphological and molecular evidence for natural hybridization in sympatric population of Roscoea humeana and R. cautleoides (Zingiberaceae)[J]. JOURNAL OF PLANT RESEARCH,2012,125(5):595-603.
APA Du, Guang-Hui,Zhang, Zhi-Qiang,&Li, Qing-Jun.(2012).Morphological and molecular evidence for natural hybridization in sympatric population of Roscoea humeana and R. cautleoides (Zingiberaceae).JOURNAL OF PLANT RESEARCH,125(5),595-603.
MLA Du, Guang-Hui,et al."Morphological and molecular evidence for natural hybridization in sympatric population of Roscoea humeana and R. cautleoides (Zingiberaceae)".JOURNAL OF PLANT RESEARCH 125.5(2012):595-603.
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