Abstract
Degradation of mRNA is a vital aspect of gene expression. In yeast, Dcp1p, Dcp2p, Lsm1-7p, and Xrn1p are required for mRNA decay and are localized within discrete cytoplasmic foci; in the May 2 issue of Science, Sheth and Parker provide compelling evidence that these foci represent sites for mRNA decay.
MeSH terms
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Animals
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Cytoplasm / genetics
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Cytoplasm / metabolism*
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Endoribonucleases / genetics
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Endoribonucleases / metabolism
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Eukaryotic Cells / metabolism*
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Exoribonucleases / genetics
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Exoribonucleases / metabolism*
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Humans
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RNA Cap-Binding Proteins
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RNA, Messenger / genetics
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RNA, Messenger / metabolism*
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RNA-Binding Proteins / genetics
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RNA-Binding Proteins / metabolism
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Saccharomyces cerevisiae Proteins / genetics
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Saccharomyces cerevisiae Proteins / metabolism*
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Yeasts / genetics*
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Yeasts / metabolism
Substances
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LSM1 protein, S cerevisiae
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RNA Cap-Binding Proteins
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RNA, Messenger
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RNA-Binding Proteins
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Saccharomyces cerevisiae Proteins
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DCP1 protein, S cerevisiae
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DCP2 protein, S cerevisiae
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Endoribonucleases
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Exoribonucleases
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XRN1 protein, S cerevisiae