#stress_granule
Stress granule
Cytoplasmic biomolecular condensates of proteins and RNA occurring in cells under stress
In cellular biology, stress granules are biomolecular condensates in the cytosol composed of proteins and RNAs that assemble into 0.1–2 μm membraneless organelles when the cell is under stress. The mRNA molecules found in stress granules are stalled translation pre-initiation complexes associated with 40S ribosomal subunits, translation initiation factors, poly(A)+ mRNAs and RNA-binding proteins (RBPs). While they are membraneless organelles, stress granules have been proposed to be associated with the endoplasmatic reticulum. There are also nuclear stress granules. This article is about the cytosolic variety.
Mon 1st
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