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2016 ; 26
(9
): 668-679
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Principles and Properties of Stress Granules
#MMPMID27289443
Protter DSW
; Parker R
Trends Cell Biol
2016[Sep]; 26
(9
): 668-679
PMID27289443
show ga
Stress granules are assemblies of untranslating messenger ribonucleoproteins
(mRNPs) that form from mRNAs stalled in translation initiation. Stress granules
form through interactions between mRNA-binding proteins that link together
populations of mRNPs. Interactions promoting stress granule formation include
conventional protein-protein interactions as well as interactions involving
intrinsically disordered regions (IDRs) of proteins. Assembly and disassembly of
stress granules are modulated by various post-translational modifications as well
as numerous ATP-dependent RNP or protein remodeling complexes, illustrating that
stress granules represent an active liquid wherein energy input maintains their
dynamic state. Stress granule formation modulates the stress response, viral
infection, and signaling pathways. Persistent or aberrant stress granule
formation contributes to neurodegenerative disease and some cancers.