Generic phylogeny and character evolution in Urticeae (Urticaceae) inferred from nuclear and plastid DNA regions
Kim, Changkyun; Deng, Tao; Chase, Mark; Zhang, Dai-Gui; Nie, Ze-Long; Sun, Hang; Sun,H (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Plant Divers & Biogeog East Asia,Kunming 650204,Yunnan,Peoples R China.; hsun@mail.kib.ac.cn
2015-03-01
发表期刊TAXON
卷号64期号:1页码:65-78
摘要This study examines phylogenetic relationships among the 12 genera of Urticeae (Urticaceae) and investigates the pattern of morphological evolution based on analysis of nuclear ribosomal internal transcribed spacer (nrITS) and two plastid DNA regions (rbcL exon, trnL-F spacer). Sequence data were analyzed using maximum parsimony and Bayesian inference, and selected morphological traits were mapped onto the molecular tree. The molecular results strongly supported monophyly of Urticeae, excluding Gyrotaenia, which is related to Elatostemateae. All genera were monophyletic except for Urtica, Laportea, and Urera. Two Hesperocnide species are nested within Urtica. Laportea and Urera are divided into three groups with a strong geographical signal. The inferred phylogeny indicates five well-supported clades in Urticeae: clade A including Urtica (with Hesperocnide), Zhengyia, Laportea I, and Nanocnide; clade B comprising Dendrocnide and Discocnide; clade C including only Girardinia; clade D including Laportea II; and clade E including Obetia, Urera I, II, III, and Poikilospermum. Although it is difficult to identify morphological synapomorphies for these well-defined clades within Urticeae, character analysis shows that the herbaceous habit and alternate leaves are the ancestral states in the tribe. The presence of stinging hairs is the derived status in Urticeae, and it might have been a key innovation triggering species diversification in the tribe.
关键词Character Evolution Habit Leaf Arrangement Phylogenetic Relationship Stinging Hair Urticeae
资助信息Chinese Academy of Sciences [XDB03030112, 2011312D11022]; Yunnan Natural Science Foundation; National Natural Science Foundation of China [U1136601]; CAS/SAFEA International Partnership Program for Creative Research Teams to H. Sun and Postdoctoral Scholar, Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, CAS [Y0205111L1]
学科领域Plant Sciences ; Evolutionary Biology
收录类别SCI
语种英语
WOS研究方向Plant Sciences ; Evolutionary Biology
WOS类目Plant Sciences ; Evolutionary Biology
WOS记录号WOS:000351090100006
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/20637
专题中国科学院东亚植物多样性与生物地理学重点实验室
通讯作者Sun,H (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Plant Divers & Biogeog East Asia,Kunming 650204,Yunnan,Peoples R China.; hsun@mail.kib.ac.cn
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Kim, Changkyun,Deng, Tao,Chase, Mark,et al. Generic phylogeny and character evolution in Urticeae (Urticaceae) inferred from nuclear and plastid DNA regions[J]. TAXON,2015,64(1):65-78.
APA Kim, Changkyun.,Deng, Tao.,Chase, Mark.,Zhang, Dai-Gui.,Nie, Ze-Long.,...&hsun@mail.kib.ac.cn.(2015).Generic phylogeny and character evolution in Urticeae (Urticaceae) inferred from nuclear and plastid DNA regions.TAXON,64(1),65-78.
MLA Kim, Changkyun,et al."Generic phylogeny and character evolution in Urticeae (Urticaceae) inferred from nuclear and plastid DNA regions".TAXON 64.1(2015):65-78.
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