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Evidence for horizontal transfer of mitochondrial DNA to the plastid genome in a bamboo genus
Ma, Peng-Fei1,2; Zhang, Yu-Xiao1,2; Guo, Zhen-Hua2; Li, De-Zhu1,2; Li,DZ (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Plant Div & Biogeog East Asia,Kunming 650201,Yunnan,Peoples R China.; dzl@mail.kib.ac.cn
2015-06-23
发表期刊SCIENTIFIC REPORTS
卷号5页码:11608
摘要In flowering plants, three genomes (nuclear, mitochondrial, and plastid) coexist and intracellular horizontal transfer of DNA is prevalent, especially from the plastid to the mitochondrion genome. However, the plastid genomes are generally conserved in evolution and have long been considered immune to foreign DNA. Recently, the opposite direction of DNA transfer from the mitochondrial to the plastid genome has been reported in two eudicot lineages. Here we sequenced 6 plastid genomes of bamboos, three of which are neotropical woody species and three are herbaceous ones. Several unusual features were found, including the duplication of trnT-GGU and loss of one copy of rps19 due to contraction of inverted repeats (IRs). The most intriguing was the similar to 2.7 kb insertion in the plastid IR regions in the three herbaceous bamboos. Furthermore, the insertion was documented to be horizontally transferred from the mitochondrial to the plastid genome. Our study provided evidence of the mitochondrial-to-plastid DNA transfer in the monocots, demonstrating again that this rare event does occur in other angiosperm lineages. However, the mechanism underlying the transfer remains obscure, and more studies in other plants may elucidate it in the future.
资助信息National Natural Science Foundation of China [U1136603, 31170204, 31300184]
学科领域Multidisciplinary Sciences
DOI10.1038/srep11608
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000356665700001
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/21361
专题中国西南野生生物种质资源库
通讯作者Li,DZ (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Plant Div & Biogeog East Asia,Kunming 650201,Yunnan,Peoples R China.; dzl@mail.kib.ac.cn
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Div & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Plant Germplasm & Genom Ctr, Kunming 650201, Yunnan, Peoples R China
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Ma, Peng-Fei,Zhang, Yu-Xiao,Guo, Zhen-Hua,et al. Evidence for horizontal transfer of mitochondrial DNA to the plastid genome in a bamboo genus[J]. SCIENTIFIC REPORTS,2015,5:11608.
APA Ma, Peng-Fei,Zhang, Yu-Xiao,Guo, Zhen-Hua,Li, De-Zhu,Li,DZ ,&dzl@mail.kib.ac.cn.(2015).Evidence for horizontal transfer of mitochondrial DNA to the plastid genome in a bamboo genus.SCIENTIFIC REPORTS,5,11608.
MLA Ma, Peng-Fei,et al."Evidence for horizontal transfer of mitochondrial DNA to the plastid genome in a bamboo genus".SCIENTIFIC REPORTS 5(2015):11608.
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