Chromosome counts and karyotype analysis of Viburnum taxa (Adoxaceae)

doi:10.1080/00087114.2015.1109929

	Chromosome counts and karyotype analysis of Viburnum taxa (Adoxaceae)
	Zhang, Ning-ning 1,2; Sun, Wei-bang1 ; Yang, Jing1
	2016
发表期刊	CARYOLOGIA
卷号	69 期号:1 页码:12-19
摘要	A cytological study was carried out on 16 taxa belonging to seven clades of Viburnum (Adoxaceae). Chromosome numbers of these 16 taxa were counted and karyotypes of 12 taxa were analyzed. Chromosome numbers of four species and karyotypes of nine taxa are new records. Three chromosome numbers 2n = 16, 18 and 32 of these 16 taxa were discovered, of which the corresponding basic chromosome number was x = 8 or 9. Most taxa showed relatively symmetrical karyotypes, while the well-known V. macrocephalum form. keteleeri, which has a long cultivation history and is culturally important in China, presented the most asymmetrical karyotype. Unweighted pair group method with arithmetic mean (UPGMA) cluster analysis of V. cylindricum and V. punctatum supports the recognized clades Coriacea and Punctata that were previously subsections of Megalotinus. The chromosomal pattern with few polyploids suggests that structural changes of karyotype at the diploid level may be the main trend in chromosomal evolution in Viburnum.
关键词	Viburnum Chromosome Number Chromosome Base Number Symmetry
DOI	10.1080/00087114.2015.1109929
收录类别	SCI
语种	英语
WOS记录号	WOS:000372448300003
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/26026
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 Bot Garden, Kunming, Peoples R China 2.Univ Chinese Acad Sci, Kunming Inst Bot, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Ning-ning,Sun, Wei-bang,Yang, Jing. Chromosome counts and karyotype analysis of Viburnum taxa (Adoxaceae)[J]. CARYOLOGIA,2016,69(1):12-19.
APA	Zhang, Ning-ning,Sun, Wei-bang,&Yang, Jing.(2016).Chromosome counts and karyotype analysis of Viburnum taxa (Adoxaceae).CARYOLOGIA,69(1),12-19.
MLA	Zhang, Ning-ning,et al."Chromosome counts and karyotype analysis of Viburnum taxa (Adoxaceae)".CARYOLOGIA 69.1(2016):12-19.

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