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Insights into the Existence of Isomeric Plastomes in Cupressoideae (Cupressaceae)
Qu, Xiao-Jian1,2; Wu, Chung-Shien3; Chaw, Shu-Miaw3; Yi, Ting-Shuang1; Yi TS(伊廷双)
2017-04-01
Source PublicationGENOME BIOLOGY AND EVOLUTION
ISSN1759-6653
Volume9Issue:4Pages:1110-1119
AbstractThe cypress family (Cupressaceae) possesses highly rearranged plastomes that lack a pair of large inverted repeats typically found inland plants. A few cypress species have been reported to contain isomeric plastomes, but whether the existence of isomeric plastomes is ubiquitous in the family remains to be investigated with a broader taxon sampling. In this study, we sequenced the complete plastomes of ten species in Cupressoideae, the largest cypress subfamily. Cupressoideae showed relatively accelerated rates of substitutions at both nonsynonymous and synonymous sites as compared with other subfamilies of Cupressaceae. Our PCR and read mapping analyses together suggested the existence of isomeric plastomes in eight of the ten sequenced Cupressoideae species. The isomeric plastomes were also detected in 176 individuals from nine wild populations of four Cupressoideae species. Within Calocedrus macrolepis, we discovered a new type of isomeric plastomes that was likely derived from homologous recombination mediated by an 11-bp repeat. We conclude that isomeric plastomes are commonly present in Cupressoideae, thereby contributing to increased plastomic complexity.
KeywordCupressaceae Cupressoideae Isomeric Plastomes Plastomic Complexity Repeat
DOI10.1093/gbe/evx071
Language英语
WOS IDWOS:000406755800025
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Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/51254
Collection中国西南野生生物种质资源库
Corresponding AuthorYi, Ting-Shuang
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Kunming Coll Life Sci, Kunming, Yunnan, Peoples R China
3.Acad Sinica, Biodivers Res Ctr, Taipei, Taiwan
Recommended Citation
GB/T 7714
Qu, Xiao-Jian,Wu, Chung-Shien,Chaw, Shu-Miaw,et al. Insights into the Existence of Isomeric Plastomes in Cupressoideae (Cupressaceae)[J]. GENOME BIOLOGY AND EVOLUTION,2017,9(4):1110-1119.
APA Qu, Xiao-Jian,Wu, Chung-Shien,Chaw, Shu-Miaw,Yi, Ting-Shuang,&Yi TS.(2017).Insights into the Existence of Isomeric Plastomes in Cupressoideae (Cupressaceae).GENOME BIOLOGY AND EVOLUTION,9(4),1110-1119.
MLA Qu, Xiao-Jian,et al."Insights into the Existence of Isomeric Plastomes in Cupressoideae (Cupressaceae)".GENOME BIOLOGY AND EVOLUTION 9.4(2017):1110-1119.
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