= Polyadenylation
Addition of a <poly(A) tail> to an <RNA> end. Its effect and regulation depend on the compartment and transcript class.
In many eukaryotic <messenger RNAs>, cleavage and addition of the tail help establish a mature end and influence export, <biological translation> and stability. Tail length can subsequently change. <Polyadenylation> is therefore a processing event whose functional consequence depends on the transcript and system. <Molecular Biology of the Cell, 4th edition by Bruce Alberts and others>[Chapter 6, From DNA to RNA: RNA processing]{ref}
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