Mitochondrial genome from Andreaea wangiana reveals structural conservatism and a trend of size reduction in mosses
Huang, Wen-Zhuan1,2; Ma, Wen-Zhang3; Schneider, Harald4; Yu, Ying1,2; Wu, Yu-Huan1,2
Corresponding AuthorYu, Ying(yuying@hznu.edu.cn) ; Wu, Yu-Huan(yuhuanwu@hznu.edu.cn)
2019-10-01
Source PublicationBRYOLOGIST
ISSN0007-2745
Volume122Issue:4Pages:597-606
AbstractTo further reveal the structural characteristics of moss mitochondrial genomes from the still unexplored orders, we sequenced and assembled the mitogenome from the granite moss Andreaea wangiana (Andreaeaceae, Andreaeales). The newly generated genome consisted of 117,857 base pairs with an average GC content of 42%. The gene contents and gene order were found to be identical to those previously published from mosses, reconfirming the hypothesis of structural conservatism in this lineage. Comparison of the newly generated mitogenome with those published suggested an evolutionary trend towards size reduction of mitogenomes across the tree of mosses. The pattern was largely caused by hierarchical loss of introns and/or shortening of intergenic spacers. We found evidence to support a positive correlation between GC content and genome size in bryophytes. Furthermore, we identified 233 putative RNA editing sites for all protein-coding genes and 60 simple sequence repeats in this mitogenome. By reporting the complete mitogenome from an important early diverging lineage of mosses, this study provided valuable data for further studies to explore the mechanisms maintaining the stability of genome structure during nearly 400 Ma of independent adaptation to changing terrestrial environments. The study further identified a few highly variable regions that could be used as DNA markers to clarify the genetic diversity of granite moss populations.
KeywordAndreaeaceae reduction of mitogenome size RNA editing sites Setaphyta simple repeat sequence structural conservatism
DOI10.1639/0007-2745-122.4.597
Indexed BySCI ; SCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000495360600007
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/70983
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Corresponding AuthorYu, Ying; Wu, Yu-Huan
Affiliation1.Hangzhou Normal Univ, Zhejiang Prov Key Lab Genet Improvement & Qual Co, Hangzhou 311121, Zhejiang, Peoples R China
2.Hangzhou Normal Univ, Coll Life & Environm Sci, Hangzhou 311121, Zhejiang, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Plant Biodivers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
4.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Ctr Integrat Conservat, Menglun 666303, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Huang, Wen-Zhuan,Ma, Wen-Zhang,Schneider, Harald,et al. Mitochondrial genome from Andreaea wangiana reveals structural conservatism and a trend of size reduction in mosses[J]. BRYOLOGIST,2019,122(4):597-606.
APA Huang, Wen-Zhuan,Ma, Wen-Zhang,Schneider, Harald,Yu, Ying,&Wu, Yu-Huan.(2019).Mitochondrial genome from Andreaea wangiana reveals structural conservatism and a trend of size reduction in mosses.BRYOLOGIST,122(4),597-606.
MLA Huang, Wen-Zhuan,et al."Mitochondrial genome from Andreaea wangiana reveals structural conservatism and a trend of size reduction in mosses".BRYOLOGIST 122.4(2019):597-606.
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