Viral noncoding RNAs
Many lines of recent evidence indicate that non-coding RNAs including micro RNAs (miRNAs) and small interfering RNAs (siRNAs) play an important role in the control of gene expression in diverse cellular processes and in defense responses against molecular parasites such as viruses and transposons. Viruses also use many different types of non-coding RNAs for regulating expression of their own genome or host genome temporally and spatially to ensure efficient virus proliferation and/or latency in the host cell. Here, we introduce the generation mechanisms and functions of novel non-coding RNAs generated from both animal and plant RNA viruses, after a brief review of non-coding RNAs of DNA viruses.
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