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题名: Evolution of the platycodonoid group with particular references to biogeography and character evolution
作者: Wang, Qiang1; Wang, Xiao-Quan1; Sun, Hang2; Yu, Yan3; He, Xing-Jin3; Hong, De-Yuan1
刊名: JOURNAL OF INTEGRATIVE PLANT BIOLOGY
出版日期: 2014-10-01
卷号: 56, 期号:10, 页码:995-1008
关键词: Biogeography ; Campanulaceae ; character evolution ; platycodonoids ; Qinghai-Tibet Plateau
学科分类: Biochemistry & Molecular Biology ; Plant Sciences
DOI: 10.1111/jipb.12203
通讯作者: Hong,DY (reprint author),Chinese Acad Sci,Inst Bot,State Key Lab Systemat & Evolutionary Bot,Beijing 100093,Peoples R China. ; hongdy@ibcas.ac.cn
文章类型: Article
英文摘要: The Qinghai-Tibet Plateau (QTP) is an important center of origin and diversification for many northern temperate plants. The hypothesis "out-of-QTP" suggests that the majority of northern temperate plants have originated and dispersed from the QTP and adjacent regions. An interesting question is whether the biogeographic history of the platycodonoids (Campanulaceae), a group mainly distributed in the QTP and adjacent regions, coincides with the hypothesis "out-of-QTP"? Furthermore, how have the diagnostic characters of the platycodonoids evolved? In the present study, all 10 genera of the platycodonoids were sampled for molecular phylogeny and dating analyses, and ancestral states of distribution and characters were reconstructed. The results do not support the platycodonoids as an "out-of-QTP" group, but instead they might have descended from Tethyan ancestors. The dispersal and diversification of the platycodonoids in Asia might have been driven by the uplift of the QTP. The present study highlights the importance of the Tethyan Tertiary flora for the origin of the Sino-Himalayan flora and the influence of the uplift of QTP on diversification of northern temperate plants. In addition, character state reconstruction reveals that the inferior ovary, capsule, long-colpate pollen, and chromosome number 2n = 14 are probably ancestral states.
类目[WOS]: Biochemistry & Molecular Biology ; Plant Sciences
研究领域[WOS]: Biochemistry & Molecular Biology ; Plant Sciences
关键词[WOS]: QINGHAI-TIBETAN PLATEAU ; DISPERSAL-VICARIANCE ANALYSIS ; CAMPANULACEAE S. STR. ; HISTORICAL BIOGEOGRAPHY ; ANGIOSPERM PHYLOGENY ; MOLECULAR PHYLOGENY ; RBCL SEQUENCES ; MIXED MODELS ; MYR AGO ; DIVERSIFICATION
收录类别: SCI
语种: 英语
WOS记录号: WOS:000342892400004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/18365
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, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Yunnan, Peoples R China
3.Sichuan Univ, Coll Life Sci, Chengdu 610064, Peoples R China

Recommended Citation:
Wang,Qiang;Wang,Xiao-Quan;Sun,Hang;Yu,Yan;He,Xing-Jin;Hong,De-Yuan.Evolution of the platycodonoid group with particular references to biogeography and character evolution,JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2014,56(10):995-1008
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