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Decapping and Decay of Messenger RNA Occur in Cytoplasmic Processing Bodies
Open accessAbstract
A major pathway of eukaryotic messenger RNA (mRNA) turnover begins with deadenylation, followed by decapping and 5′ to 3′ exonucleolytic decay. We provide evidence that mRNA decapping and 5′ to 3′ degradation occur in discrete cytoplasmic foci in yeast, which we call processing bodies (P bodies). First, proteins that activate or catalyze decapping are concentrated in P bodies. Second, inhibiting mRNA turnover before decapping leads to loss of P bodies; however, inhibiting turnover at, or after, decapping, increases the abundance and size of P bodies. Finally, mRNA degradation intermediates are localized to P bodies. These results define the fluxof mRNAs between polysomes and P bodies as a critical aspect of cytoplasmic mRNA metabolism and a possible site for regulation of mRNA degradation.
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Cited by
N6-methyladenosine-dependent regulation of messenger RNA stability
Wang, X., Lu, Z., Gomez, A., Hon, G. C., Yue, Y., Han, D., Fu, Y., Parisien, M., Dai, Q., Jia, G., et al. (2014) · Nature · doi:10.1038/nature12730 · Cited by 4,558
N6-methyladenosine Modulates Messenger RNA Translation Efficiency
Wang, X., Zhao, B. S., Roundtree, I. A., Lu, Z., Han, D., Ma, H., Weng, X., Chen, K., Shi, H., & He, C. (2015) · Cell · doi:10.1016/j.cell.2015.05.014 · Cited by 3,483
Control of translation and mRNA degradation by miRNAs and siRNAs: Table 1.
Valencia-Sanchez, M. A., Liu, J., Hannon, G. J., & Parker, R. (2006) · Genes & Development · doi:10.1101/gad.1399806 · Cited by 2,060
Self-citationMicroRNA: Biogenesis, Function and Role in Cancer
MacFarlane, L.-A., & R. Murphy, P. (2010) · Current Genomics · doi:10.2174/138920210793175895 · Cited by 1,584
P bodies and the control of mRNA translation and degradation
Parker, R., & Sheth, U. (2007) · Molecular Cell · doi:10.1016/j.molcel.2007.02.011 · Cited by 1,335
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Metadata
- Authors
- Sheth, U., & Parker, R.
- Venue
- Science
- Published
- 2003-05-02
- Volume
- 300
- Issue
- 5620
- Pages
- 805-808
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2134530067
- Cited by
- 1,365
- References
- 0
- FWCI
- 21.98
- Type
- journal article
- Language
- en
- Open access
- green
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