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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Cell+Biol
2016 ; 215
(3
): 313-323
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Mechanistic insights into mammalian stress granule dynamics
#MMPMID27821493
Panas MD
; Ivanov P
; Anderson P
J Cell Biol
2016[Nov]; 215
(3
): 313-323
PMID27821493
show ga
The accumulation of stalled translation preinitiation complexes (PICs) mediates
the condensation of stress granules (SGs). Interactions between prion-related
domains and intrinsically disordered protein regions found in SG-nucleating
proteins promote the condensation of ribonucleoproteins into SGs. We propose that
PIC components, especially 40S ribosomes and mRNA, recruit nucleators that
trigger SG condensation. With resolution of stress, translation reinitiation
reverses this process and SGs disassemble. By cooperatively modulating the
assembly and disassembly of SGs, ribonucleoprotein condensation can influence the
survival and recovery of cells exposed to unfavorable environmental conditions.