alexa Nonsense-mediated mRNA decay: terminating erroneous gene expression.


Biochemistry & Physiology: Open Access

Author(s): Baker KE, Parker R

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Abstract Nonsense-mediated mRNA decay is a surveillance pathway that reduces errors in gene expression by eliminating aberrant mRNAs that encode incomplete polypeptides. Recent experiments suggest a working model whereby premature and normal translation termination events are distinct as a consequence of the spatial relationship between the termination codon and mRNA binding proteins, a relationship partially established by nuclear pre-mRNA processing. Aberrant termination then leads to both translational repression and an increased susceptibility of the mRNA to multiple ribonucleases. This article was published in Curr Opin Cell Biol and referenced in Biochemistry & Physiology: Open Access

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