Emerging Roles for Intermolecular RNA-RNA Interactions in RNP Assemblies.
Emerging Roles for Intermolecular RNA-RNA Interactions in RNP Assemblies.
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DOI:
10.1016/j.cell.2018.07.023
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发表时间:
2018-08-09
期刊:
影响因子:
64.5
通讯作者:
Parker R
中科院分区:
文献类型:
--
作者:
Van Treeck B;Parker R
Eukaryotic cells contain large assemblies of RNA and protein, referred to as ribonucleoprotein (RNP) granules, which include cytoplasmic P-bodies, stress granules, neuronal and germinal granules, as well as nuclear paraspeckles, Cajal bodies and RNA foci formed from repeat expansion RNAs. Recent evidence argues that intermolecular RNA-RNA interactions play a role in forming and determining the composition of certain RNP granules. We hypothesize that intermolecular RNA-RNA interactions are favored in cells yet are limited by RNA-binding proteins, helicases, and ribosomes, thereby allowing normal RNA function. An overabundance of intermolecular RNA-RNA interactions may be toxic since perturbations that increase RNA-RNA interactions such as long repeat expansion RNAs, arginine-containing dipeptide repeat polypeptides, and sequestration or loss of abundant RNA-binding proteins can contribute to degenerative diseases.
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作者:
Buchan, J. Ross;Muhlrad, Denise;Parker, Roy
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Parker, Roy
DOI:
10.1126/science.aan6398
发表时间:
2018-02-09
期刊:
Science (New York, N.Y.)
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