Karyological studies of ten Ligusticum species (Apiaceae) from the Hengduan Mountains Region of China
Zhou Jing1,2; Pu, Fading3; Peng, Hija1; Pan, Yuezhi1; Gong, Xun1
2008-10-01
发表期刊CARYOLOGIA
ISSN0008-7114
卷号61期号:4页码:333-341
摘要Karyological studies on ten species of the genus Ligusticum (Apiaceae) from the Hengduan Mountains Region of China were carried out. Five species of them are reported for the first time. All species have the same basic chromosome number, x = 11, but they could be differentiated by their karyotype formula and quantitative parameters of the karyotypes. L capillaceum and L. pteridophyllum are tetraploid with the chromosome number of 2n = 4x = 44, other species are diploid with the chromosome number of 2n = 2x = 22. Our cytological results suggest that polyploidy did not play an important role in the chromosome evolution of plants from the Hengduan Mountains Region. Relationships between Ligusticum and its affinities are also discussed. Ligusticum has great diversification in northwestern Yunnan of China, so this region is probably the most diversified center for it.
关键词Chromosome Hengduan Mountains Region Karyotype Ligusticum Polyploidy
资助信息We are grateful to Dr. ZHEN-WEN Liu (Kunming Institute of Botany, Yunnan) for valuable help in data analysis, to Ms. Li-QIN FANG (Shanghai Botanical Garden, Shanghai) for field works and to anonymous reviewers for helpful comments on the manuscript. This work is supported by grants from the National Basic Research Program of China (973 Program 2CI07CB411600).
学科领域Genetics & Heredity
收录类别SCI
语种英语
WOS研究方向Plant Sciences ; Genetics & Heredity
WOS类目Plant Sciences ; Genetics & Heredity
WOS记录号WOS:000264578100001
引用统计
被引频次:1[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/151853/3196
专题资源植物与生物技术所级重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Sichuan, Peoples R China
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Zhou Jing,Pu, Fading,Peng, Hija,et al. Karyological studies of ten Ligusticum species (Apiaceae) from the Hengduan Mountains Region of China[J]. CARYOLOGIA,2008,61(4):333-341.
APA Zhou Jing,Pu, Fading,Peng, Hija,Pan, Yuezhi,&Gong, Xun.(2008).Karyological studies of ten Ligusticum species (Apiaceae) from the Hengduan Mountains Region of China.CARYOLOGIA,61(4),333-341.
MLA Zhou Jing,et al."Karyological studies of ten Ligusticum species (Apiaceae) from the Hengduan Mountains Region of China".CARYOLOGIA 61.4(2008):333-341.
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