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题名: The monophyly of Chimonocalamus and conflicting gene trees in Arundinarieae (Poaceae: Bambusoideae) inferred from four plastid and two nuclear markers
作者: Yang, Hong-Mei1, 2, 3; Zhang, Yu-Xiao1, 2; Yang, Jun-Bo2; null(李德铢)1, 2
刊名: MOLECULAR PHYLOGENETICS AND EVOLUTION
关键词: Chimonocalamus ; Plastid DNA ; GBSSI ; LEAFY ; Phylogeny ; Incongruence
英文摘要: Arundinarieae is not only a taxonomically difficult group of bamboos, but also a troublesome one in molecular phylogenetics. In this study, the phylogeny of 50 species in Arundinarieae with an emphasis on Chimonocalamus was reconstructed, using four plastid regions (rpl32-trnL, trnT-trnL, rps16-trnQ and trnC-rpoB) and two nuclear genes (GBSSI and LEAFY). The plastid phylogeny was largely consistent with the previous studies, except that Ampelocalamus calcareus was newly recovered as lineage Xl. The nuclear phylogeny of LEAFY had better resolution than the one of GBSSI. The close relationships among Ampelocalamus, Drepanostachyum and Himalayacalamus were retrieved by the nuclear datasets. Alpine Bashania, Chimonocalamus, Thamnocalamus, and species currently placed in Fargesia and Yushania formed a clade in the LEAFY and combined nuclear phylogenies. Some of the gene tree disparities revealed in previous studies were reconfirmed. Chimonocalamus was recovered as monophyletic by combining the nuclear genes, but as polyphyletic in plastid analyses. Insufficient informative characters, hybridization, plastid capture or incomplete plastid lineage sorting could be responsible for the incongruent phylogenetic positions of some species of Chimonocalamus. (C) 2013 Elsevier Inc. All rights reserved.
出版日期: 2013-08-01
卷号: 68, 期号:2, 页码:340-356
语种: 英语
ISSN号: 1055-7903
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16645
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Yunnan, Peoples R China
2.Germplasm Bank Wild Species, Plant Germplasm & Genom Ctr, Kunming 650201, Yunnan, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Yang, Hong-Mei; Zhang, Yu-Xiao; Yang, Jun-Bo; Li, De-Zhu.The monophyly of Chimonocalamus and conflicting gene trees in Arundinarieae (Poaceae: Bambusoideae) inferred from four plastid and two nuclear markers,MOLECULAR PHYLOGENETICS AND EVOLUTION,2013,68(2):340-356
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