Reticulate evolution, cryptic species, and character convergence in the core East Asian clade of Gaultheria (Ericaceae)
Lu, Lu1; Fritsch, Peter W.2; Cruz, Boni C.2; Wang, Hong1; Li, De-Zhu1
2010-10-01
发表期刊MOLECULAR PHYLOGENETICS AND EVOLUTION
ISSN1055-7903
卷号57期号:1页码:364-379
摘要Phylogenetic relationships of 84 samples representing 30 species in the core East Asian clade of the wintergreen group of Gaultheria (Angiospermae: Ericaceae: Gaultherieae) were estimated from separate and combined DNA sequence data from five genic regions (ITS, matK, rpl16, trnL-trnF, and trnS-trnG) with parsimony, likelihood and Bayesian analyses. Two major clades were recovered, one comprising several sections and series with leaves generally more than 1 cm long [the ser. Leucothoides sensu lato (s.l.) clade] and another comprising the species of ser. Trichophyllae, with leaves generally less than 1 cm long. The ITS region yielded little phylogenetic resolution, whereas in the combined chloroplast analysis the samples from individual morphospecies in both clades were often nonmonophyletic. This was postulated to result from reticulate evolution in the ser. Leucothoides s.l. clade, particularly in two specific cases of hybridization and a crown clade with likely chloroplast capture following localized introgression. In the set. Trichophyllae clade, such nonmonophyly was largely attributed to cryptic species and character convergence resulting at least partly from extreme morphological reduction. The relatively low-elevation habitats in which the species of the ser. Leucothoides s.l. clade generally grow are thought to have promoted opportunities for sympatry and reticulation, whereas the high-alpine habitats of ser. Trichophyllae are more likely to have spawned isolated populations and narrow endemism. As in other Sino-Himalayan plant groups, overall low sequence divergence and reticulate evolution suggest rapid radiation in the core East Asian clade of Gaultheria. (C) 2010 Elsevier Inc. All rights reserved.
关键词Cryptic Species Ericaceae Gaultheria Gaultherieae Reticulate Evolution Sino-himalaya
资助信息National Basic Research Program of China (973 Program) [2007CB411601]; National Natural Science Foundation of China [40830209]; U.S. National Science Foundation [DEB-0717711]; Lakeside Foundation
学科领域Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
DOI10.1016/j.ympev.2010.06.002
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:000281992900030
引用统计
被引频次:19[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/151853/3024
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
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China
2.Calif Acad Sci, Dept Bot, San Francisco, CA 94118 USA
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Lu, Lu,Fritsch, Peter W.,Cruz, Boni C.,et al. Reticulate evolution, cryptic species, and character convergence in the core East Asian clade of Gaultheria (Ericaceae)[J]. MOLECULAR PHYLOGENETICS AND EVOLUTION,2010,57(1):364-379.
APA Lu, Lu,Fritsch, Peter W.,Cruz, Boni C.,Wang, Hong,&Li, De-Zhu.(2010).Reticulate evolution, cryptic species, and character convergence in the core East Asian clade of Gaultheria (Ericaceae).MOLECULAR PHYLOGENETICS AND EVOLUTION,57(1),364-379.
MLA Lu, Lu,et al."Reticulate evolution, cryptic species, and character convergence in the core East Asian clade of Gaultheria (Ericaceae)".MOLECULAR PHYLOGENETICS AND EVOLUTION 57.1(2010):364-379.
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