Cited by 1,335RNA Research and SplicingRNA and protein synthesis mechanismsRNA Interference and Gene Delivery

P bodies and the control of mRNA translation and degradation

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Parker, Roy, Sheth, Ujwal·2007·Molecular Cell

Abstract

Recent results indicate that many untranslating mRNAs in somatic eukaryotic cells assemble into related mRNPs that accumulate in specific cytoplasmic foci referred to as P bodies. Transcripts associated with P body components can either be degraded or return to translation. Moreover, P bodies are also biochemically and functionally related to some maternal and neuronal mRNA granules. This suggests an emerging model of cytoplasmic mRNA function in which the rates of translation and degradation of mRNAs are influenced by a dynamic equilibrium between polysomes and the mRNPs seen in P bodies. Moreover, some mRNA-specific regulatory factors, including miRNAs and RISC, appear to repress translation and promote decay by recruiting P body components to individual mRNAs.

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Crossref · 10.1016/j.molcel.2007.02.011

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  • P-bodies are cytoplasmic foci depleted of ribosomes and enriched with enzymatic mRNA degradation machinery such as mRNA decapping proteins, the CCR4-NOT complex, XRN1, and GW182 family proteins.

    “They are cytoplasmic foci depleted of ribosomes (79) and enriched with enzymatic mRNA degradation machinery, such as mRNA decapping proteins, the CCR4-NOT complex, XRN1, and GW182 family proteins (78).”

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Authors
Parker, R., & Sheth, U.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Parker, Roy
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2007-03
Volume
25
Issue
5
Pages
635-646
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2003911773
Cited by
1,335
References
94
Citations by year
2026: 33 · 2025: 49 · 2024: 38 · 2023: 30 · 2022: 44 · 2021: 44 · 2020: 54 · 2019: 57 · 2018: 44 · 2017: 47 · 2016: 66 · 2015: 62 · 2014: 78 · 2013: 86 · 2012: 119
FWCI
9.76
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of General Medical Sciences (R37GM045443)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
P-bodies, mRNA translation, mRNA degradation, mRNA granules, polysomes, microRNA, RNA-induced silencing complex, protein synthesis inhibition
MeSH terms
Animals, Humans, Models, Biological, Neurons, Protein Biosynthesis, RNA Stability, Cytoplasmic Structures, RNA, Messenger, Stored

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