Plastid phylogenomics and adaptive evolution of Gaultheria series Trichophyllae (Ericaceae), a Glade from sky islands of the Himalaya-Hengduan Mountains
Zhang, Ming-Ying1,2; Fritsch, Peter W.3; Ma, Peng-Fei1,2; Wang, Hong1,2; Lu, Lu1,2; Li, De -Zhu1,2
2017-05-01
发表期刊MOLECULAR PHYLOGENETICS AND EVOLUTION
卷号110页码:7-18
摘要Gaultheria series Trichophyllae Airy Shaw is an angiosperm Glade of high-alpine shrublets endemic to the Himalaya-Hengduan Mountains and characterized by recent species divergence and convergent character evolution that has until recently caused much confusion in species circumscription. Although multiple DNA sequence regions have been employed previously, phylogenetic relationships among species in the group have remained largely unresolved. Here we examined the effectiveness of the plastid genome for improving phylogenetic resolution within the G. series Trichophyllae Glade. Plastid genomes of 31 samples representing all 19 recognized species of the series and three outgroup species were sequenced with Illumina Sequencing technology. Maximum likelihood (ML), maximum parsimony (MP) and Bayesian inference (BI) phylogenetic analyses were performed with various datasets, i.e., that from the whole plastid genome, coding regions, noncoding regions, large single-copy region (LSC) and inverted-repeat region a (IRa). The partitioned whole plastid genome with inverted-repeat region b (IRb) excluded was also analyzed with ML and BI. Tree topologies based on the whole plastid genome, noncoding regions, and LSC region datasets across all analyses, and that based on the partitioned dataset with ML and BI analyses, are identical and generally strongly supported. Gaultheria series Trichophyllae form a Glade with three species and one variety that is sister to a Glade of the remaining 16 species; the latter comprises seven main subclades. Interspecific relationships within the series are strongly supported except for those based on the coding-region and IRa-region datasets. Eight divergence hotspot regions, each possessing >5% percent variable sites, were screened across the whole plastid genome of the 28 individuals sampled in the series. Results of morphological character evolution reconstruction diagnose several clades, and a hypothesis of adaptive evolution for plant habit is postulated. (C) 2017 Elsevier Inc. All rights reserved.
关键词Plastid Genome Character Evolution Gaultheria Phylogenetic Relationships
资助信息National Natural Science Foundation of China(41671052; National Geographic Society of United States(4-03-9329); National Key Basic Research Program of China(2014CB954100); Key Programs of the Chinese Academy of Sciences(KSZD-EW-Z-011-01); U.S. National Science Foundation(DEB-0717711); 31270272; 31100163)
收录类别SCI
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/51064
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 Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Plant Germplasm & Genom Ctr, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China
3.Bot Res Inst Texas, 1700 Univ Dr, Ft Worth, TX 76017 USA
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Zhang, Ming-Ying,Fritsch, Peter W.,Ma, Peng-Fei,et al. Plastid phylogenomics and adaptive evolution of Gaultheria series Trichophyllae (Ericaceae), a Glade from sky islands of the Himalaya-Hengduan Mountains[J]. MOLECULAR PHYLOGENETICS AND EVOLUTION,2017,110:7-18.
APA Zhang, Ming-Ying,Fritsch, Peter W.,Ma, Peng-Fei,Wang, Hong,Lu, Lu,&Li, De -Zhu.(2017).Plastid phylogenomics and adaptive evolution of Gaultheria series Trichophyllae (Ericaceae), a Glade from sky islands of the Himalaya-Hengduan Mountains.MOLECULAR PHYLOGENETICS AND EVOLUTION,110,7-18.
MLA Zhang, Ming-Ying,et al."Plastid phylogenomics and adaptive evolution of Gaultheria series Trichophyllae (Ericaceae), a Glade from sky islands of the Himalaya-Hengduan Mountains".MOLECULAR PHYLOGENETICS AND EVOLUTION 110(2017):7-18.
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