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Systematic significance of cytology in Cyananthus ( Campanulaceae) endemic to the Sino-Himalayan region
Chen, Guang-Fu; Sun, Wen-Guang; Hong, De-Yuan; Zhou, Zhuo; Niu, Yang; Nie, Ze-Long; Sun, Hang; Zhang, Jian-Wen; Li, Zhi-Min
2014
发表期刊JOURNAL OF SYSTEMATICS AND EVOLUTION
ISSN1674-4918
卷号52期号:3页码:260-270
摘要Chromosome numbers and the morphology of members of 24 populations representing 15 species of the Sino-Himalayan endemic genus Cyananthus (Campanulaceae) were studied using karyological and numerical taxonomic techniques. The chromosome numbers of these taxa are 2n=10, 12, 14, 24, 28, and the basic chromosome numbers for the genus are x=5, 6, 7. All species except C. inflatus Hook. f. & Thoms. and C. microphyllus Edgew. were examined for the first time and a new ploidy level (tetraploidy) is reported in the genus. Chromosome measurement data were analyzed using cluster analysis. The relationships between three sections within Cyananthus and evolutionary trends within the genus are discussed in the light of karyological data. The cytological data suggest that Cyananthus is a relatively primitive genus in Campanulaceae and there is significant division within the genus, and polyploidization may have played an important role in the chromosome evolution and speciation of Cyananthus in the Himalayan-Hengduan Mountains.
关键词aneuploidy and polyploidy chromosomes cluster analysis Cyananthus evolution Himalayan-Hengduan Mountains
学科领域Plant Sciences
DOI10.1111/jse.12095
收录类别SCI
语种英语
WOS关键词HENGDUAN MOUNTAINS REGION ; QINGHAI-TIBETAN PLATEAU ; SYNCALATHIUM ASTERACEAE ; RHEUM POLYGONACEAE ; GENUS ; KARYOTYPES ; UNIFORMITY ; EVOLUTION ; SOROSERIS ; RADIATION
WOS研究方向Plant Sciences
WOS记录号WOS:000335400300003
出版者WILEY
Special IssueSI
文献子类Article
出版地HOBOKEN
EISSN1759-6831
资助机构Key Program of Basic Work Special Plan of the Ministry of Science and Technology of China [2007FY110100] ; National Natural Science Foundation of China - Yunnan Natural Science Foundation Union Project [U1136601] ; National Natural Science Foundation of China [31360049] ; Yunnan Provincial Excellent Course Botany Program
作者邮箱zhangjianwen@mail.kib.ac.cn ; lizhimin_vip@163.com
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/27148
专题系统与进化植物学国家重点实验室
作者单位1.[Chen, Guang-Fu
2.Sun, Wen-Guang
3.Yunnan Normal Univ, Sch Life Sci, Kunming 650500, Peoples R China
4.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
5.[Zhou, Zhuo
6.Niu, Yang
7.Nie, Ze-Long
8.Sun, Hang
9.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Peoples R China
推荐引用方式
GB/T 7714
Chen, Guang-Fu,Sun, Wen-Guang,Hong, De-Yuan,et al. Systematic significance of cytology in Cyananthus ( Campanulaceae) endemic to the Sino-Himalayan region[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2014,52(3):260-270.
APA Chen, Guang-Fu.,Sun, Wen-Guang.,Hong, De-Yuan.,Zhou, Zhuo.,Niu, Yang.,...&Li, Zhi-Min.(2014).Systematic significance of cytology in Cyananthus ( Campanulaceae) endemic to the Sino-Himalayan region.JOURNAL OF SYSTEMATICS AND EVOLUTION,52(3),260-270.
MLA Chen, Guang-Fu,et al."Systematic significance of cytology in Cyananthus ( Campanulaceae) endemic to the Sino-Himalayan region".JOURNAL OF SYSTEMATICS AND EVOLUTION 52.3(2014):260-270.
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