Phylogenetic and biogeographic analyses of the Sino-Himalayan endemic genus Cyananthus (Campanulaceae) and implications for the evolution of its sexual system
Zhou, Zhuo1,3; Hong, Deyuan2; Niu, Yang1,3; Li, Guodong1,3; Nie, Zelong1; Wen, Jun4; Sun, Hang1
Corresponding AuthorWen, J (reprint author), Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, Washington, DC 20013 USA. ; wenj@si.edu ; hsun@mail.kib.ac.cn
2013-09-01
Source PublicationMOLECULAR PHYLOGENETICS AND EVOLUTION
ISSN1055-7903
Volume68Issue:3Pages:482-497
Abstract

Cyananthus (Campanulaceae) is a small genus consisting of ca. 20 species endemic to the Sino-Himalayan region. Based on phylogenetic analysis using nuclear ribosomal ITS and four plastid markers (matIC, rbcL, psbA-trnH and trnG-S), our results strongly support the monophyly of Cyananthus and its close relationship with the Codonopsis clade of the platycodonoids. Three major clades are supported, corresponding to the three sections of the genus, with sect. Cyananthus, which mainly occurs in the Himalayas, being a sister to the clade comprising the other two sections (sect. Stenolobi and sect. Annul) distributed primarily in the Hengduan Mountain region. We also observed that Cyananthus exhibits variation in its sexual system, possessing both hermaphroditic and gynodioecious species. Character evolution analyses using Mesquite suggest that gynodioecy evolved from hermaphroditism only once in sect. Stenolobi, but that there is a reversal in C. forrnosus. Molecular dating and biogeographic analysis with LAGRANGE support dispersal from the Himalayas to the Hengduan Mountains during the early evolution of Cyananthus. The extensive uplift of the Qinghai-Tibetan Plateau and the Hengduan Mountains played an important role in the subsequent diversification of the genus. (C) 2013 Elsevier Inc. All rights reserved.

KeywordCyananthus Sino-himalaya Sexual System Evolution Phylogeny Biogeography
Subject AreaBiochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
DOI10.1016/j.ympev.2013.04.027
Indexed BySCI
Language英语
WOS Research AreaBiochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS SubjectBiochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS IDWOS:000321316000010
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/16799
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Smithsonian Inst, Natl Museum Nat Hist, Dept Bot, Washington, DC 20013 USA
Recommended Citation
GB/T 7714
Zhou, Zhuo,Hong, Deyuan,Niu, Yang,et al. Phylogenetic and biogeographic analyses of the Sino-Himalayan endemic genus Cyananthus (Campanulaceae) and implications for the evolution of its sexual system[J]. MOLECULAR PHYLOGENETICS AND EVOLUTION,2013,68(3):482-497.
APA Zhou, Zhuo.,Hong, Deyuan.,Niu, Yang.,Li, Guodong.,Nie, Zelong.,...&Sun, Hang.(2013).Phylogenetic and biogeographic analyses of the Sino-Himalayan endemic genus Cyananthus (Campanulaceae) and implications for the evolution of its sexual system.MOLECULAR PHYLOGENETICS AND EVOLUTION,68(3),482-497.
MLA Zhou, Zhuo,et al."Phylogenetic and biogeographic analyses of the Sino-Himalayan endemic genus Cyananthus (Campanulaceae) and implications for the evolution of its sexual system".MOLECULAR PHYLOGENETICS AND EVOLUTION 68.3(2013):482-497.
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