Abstract
m6A, a conserved and abundant modification on RNA, regulates RNA processing and function. RNA m6A machinery, including writers, erasers, and readers of m6A, is indispensable for m6A installation and function. Intriguingly, recent studies have revealed that m6A machinery can be recruited to chromatin by pleiotropic factors, including nascent RNA, transcription factors, regulatory RNA, histone modifications, and epigenetic machinery. Consequently, recruitment of m6A machinery can directly regulate chromatin biology, such as transcription, DNA damage repair, and DNA recombination beyond installation of m6A on nascent mRNA. Here, we discuss recent evidence showing that m6A machinery is targeted to chromatin and the direct biological consequences along with the underlying mechanisms.
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