Quality-control mechanisms function in cells to ensure proper gene expression. Nonsense-mediated mRNA decay (NMD) is one such mechanism and it degrades abnormal mRNAs that contain a premature-termination codon. Although NMD is conserved in all eukaryotes that have been examined, it can manifest mechanistic differences in different organisms. A recent study using Drosophila melanogaster describes a new mechanistic twist to NMD.
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| http://dx.doi.org/10.1016/j.tcb.2004.09.010 | DOI Listing |
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