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Full transcription of the chloroplast genome in photosynthetic eukaryotes
Shi, Chao; Wang, Shuo; Xia, En-Hua; Jiang, Jian-Jun; Zeng, Fan-Chun; Gao, Li-Zhi
2016-07-26
Source PublicationSCIENTIFIC REPORTS
Volume6
AbstractProkaryotes possess a simple genome transcription system that is different from that of eukaryotes. In chloroplasts (plastids), it is believed that the prokaryotic gene transcription features govern genome transcription. However, the polycistronic operon transcription model cannot account for all the chloroplast genome (plastome) transcription products at whole-genome level, especially regarding various RNA isoforms. By systematically analyzing transcriptomes of plastids of algae and higher plants, and cyanobacteria, we find that the entire plastome is transcribed in photosynthetic green plants, and that this pattern originated from prokaryotic cyanobacteria - ancestor of the chloroplast genomes that diverged about 1 billion years ago. We propose a multiple arrangement transcription model that multiple transcription initiations and terminations combine haphazardly to accomplish the genome transcription followed by subsequent RNA processing events, which explains the full chloroplast genome transcription phenomenon and numerous functional and/or aberrant pre-RNAs. Our findings indicate a complex prokaryotic genome regulation when processing primary transcripts.
DOI10.1038/srep30135
Indexed BySCI
Language英语
WOS IDWOS:000380213500001
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/28492
Collection中国西南野生生物种质资源库
Recommended Citation
GB/T 7714
Shi, Chao,Wang, Shuo,Xia, En-Hua,et al. Full transcription of the chloroplast genome in photosynthetic eukaryotes[J]. SCIENTIFIC REPORTS,2016,6.
APA Shi, Chao,Wang, Shuo,Xia, En-Hua,Jiang, Jian-Jun,Zeng, Fan-Chun,&Gao, Li-Zhi.(2016).Full transcription of the chloroplast genome in photosynthetic eukaryotes.SCIENTIFIC REPORTS,6.
MLA Shi, Chao,et al."Full transcription of the chloroplast genome in photosynthetic eukaryotes".SCIENTIFIC REPORTS 6(2016).
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