Processing of coding and non-coding RNAs in plant development and environmental responses.
Processing of coding and non-coding RNAs in plant development and environmental responses.
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DOI：
10.1042/ebc20200029
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发表时间：
2020-11
影响因子：
6.4
通讯作者：
Fuyan Si;Xiaofeng Cao;Xianwei Song;Xian Deng
中科院分区：
文献类型：
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作者：
Fuyan Si;Xiaofeng Cao;Xianwei Song;Xian Deng
前体rna经过广泛的加工成为成熟的rna。RNA转录物受到5‘封顶，3’端加工，剪接和修饰；它们还在共转录和转录后加工过程中形成动态二级结构。与编码rna一样，非编码rna （ncRNAs）也经历了广泛的加工过程。例如，次级小干扰RNA （siRNA）转录本经过RNA加工，然后进一步裂解成为成熟的siRNA。转录组研究揭示了共转录和转录后RNA加工在基因表达调控、植物发育协调和植物与环境相互作用中的作用。本文综述了RNA加工在基因表达中的最新研究进展，重点讨论了生殖细胞特异性次级小RNA （sRNA）在植物发育和环境反应中的作用。
Precursor RNAs undergo extensive processing to become mature RNAs. RNA transcripts are subjected to 5' capping, 3'-end processing, splicing, and modification; they also form dynamic secondary structures during co-transcriptional and post-transcriptional processing. Like coding RNAs, non-coding RNAs (ncRNAs) undergo extensive processing. For example, secondary small interfering RNA (siRNA) transcripts undergo RNA processing, followed by further cleavage to become mature siRNAs. Transcriptome studies have revealed roles for co-transcriptional and post-transcriptional RNA processing in the regulation of gene expression and the coordination of plant development and plant-environment interactions. In this review, we present the latest progress on RNA processing in gene expression and discuss phased siRNAs (phasiRNAs), a kind of germ cell-specific secondary small RNA (sRNA), focusing on their functions in plant development and environmental responses.