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Fig. 6. Mammalian stress granules and vaultosomes do not colocalize. HeLa cells
were incubated with 0.5 mmol l1 sodium arsenite for 15 min
at 37°C (DF) or left untreated (AC). Fluorescence
micrographs show HeLa cells stained with antibodies against the RNA-binding
protein TIA-1 (A,D) or MVP (B,E). Three-color overlays are shown in C and F.
Vaultosomes (arrowhead in D) do not colocalize with TIA-1 proteins. Bar, 20
µm.