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Phylogenetic studies on the Thamnocalamus group and its allies (Gramineae : Bambusoideae) based on ITS sequence data
Guo, ZH; Chen, YY; Li, DZ
2002
发表期刊MOLECULAR PHYLOGENETICS AND EVOLUTION
卷号22期号:1页码:20-30
摘要Phylogenetic analyses, using the parsimony method and the neighbor joining method, of 31 species of the Thamnocalamus group and its allies based on internal transcribed spacer (ITS) sequences in nuclear ribosomal DNA are presented. Two species from Arundinaria and Acidosasa were used as outgroups. The ITS phylogeny strongly supports the monophyly of the Thamnocalamus group and its allies, which have pachymorph rhizomes and semelauctant synflorescences with three stamens. Within this clade, Chimonocalamus pallens was resolved in the basal position. The Thamnocalamus group, including species placed in Thamnocalamus, Fargesia (Sinarundinaria, Borinda), and Yushania, may be polyphyletic/paraphyletic according to the ITS phylogeny, but internal support was relatively low. All three sampled species of Ampelocalamus were resolved as a monophyletic group and may be related to Drepanostachyum hookerianum. Two taxa of Thamnocalamus and the species Gaoligongshania megalothyrsa were resolved as monophyletic despite their different morphological characters, but again with a low bootstrap support. Within the Fargesia yunnanensis sub-clade, the sister relationship of Fargesia fungosa and Fargesia edulis was supported. Another subclade, the Fargesia communis clade, was also weakly supported as monophyletic. However, further resolution within the Thamnocalamus group has not been provided by this sequence data. The results indicate that reevaluation of relationships within this group is necessary. (C) 2001 Elsevier Science.
关键词Thamnocalamus Group Allies Phylogenetic Analyses Its
学科领域Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
DOI10.1006/mpev.2001.1039
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS类目Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS记录号WOS:000173423800002
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/11243
专题中国西南野生生物种质资源库
作者单位Chinese Acad Sci, Lab Plant Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
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Guo, ZH,Chen, YY,Li, DZ. Phylogenetic studies on the Thamnocalamus group and its allies (Gramineae : Bambusoideae) based on ITS sequence data[J]. MOLECULAR PHYLOGENETICS AND EVOLUTION,2002,22(1):20-30.
APA Guo, ZH,Chen, YY,&Li, DZ.(2002).Phylogenetic studies on the Thamnocalamus group and its allies (Gramineae : Bambusoideae) based on ITS sequence data.MOLECULAR PHYLOGENETICS AND EVOLUTION,22(1),20-30.
MLA Guo, ZH,et al."Phylogenetic studies on the Thamnocalamus group and its allies (Gramineae : Bambusoideae) based on ITS sequence data".MOLECULAR PHYLOGENETICS AND EVOLUTION 22.1(2002):20-30.
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