PEX13 is required for Sindbis virophagy but not general autophagy

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PEX13 is required for Sindbis virophagy but not general autophagy PEX13 is required for Sindbis virophagy but not general autophagy Western blot detection of PEX13, ATG7, SMURF1, and FANCC in HeLa/GFP‐LC3 cells transfected with the indicated siRNA. Asterisk denotes nonspecific band.Representative images of GFP‐LC3 colocalization with mCherry‐capsid at 10 h after Sindbis virus (strain AO30) infection of HeLa/GFP‐LC3 cells treated with the indicated siRNA. siPEX13 oligo #2 is shown; similar results were observed with three other siPEX13 oligos. Arrowheads denote representative colocalized GFP‐LC3/mCherry‐capsid puncta. Scale bars, 10 μm.Quantification of colocalized GFP‐LC3 and mCherry‐capsid puncta normalized to the number of mCherry‐capsid puncta per cell (% colocalization) in the experiment shown in (B). Bars are mean ± SEM of triplicate samples (˜100 cells analyzed per sample). Similar results were observed in more than three independent experiments. ***P < 0.001; one‐way ANOVA with adjustment for multiple comparisons. See Fig EV1A and B for quantification of mCherry‐capsid puncta per cell and GFP‐LC3 puncta per cell from the same experiment.Western blot detection of Pex13 in MEFs of indicated genotype. Asterisks denote nonspecific bands.Quantification of colocalized GFP‐LC3 and mCherry‐capsid puncta normalized to the number of mCherry‐capsid puncta per cell (% colocalization) at 8 h after Sindbis virus (AO28 strain) infection in MEFs of the indicated genotype. Bars are mean ± SEM of triplicate samples (~100 cells analyzed per sample). Similar results were observed in more than three independent experiments. *P < 0.05; two‐tailed unpaired t‐test. See Fig EV1G and H for quantification of mCherry‐capsid puncta per cell and GFP‐LC3 puncta per cell from the same experiment.Western blot detection of p62 and LC3 in MEFs of indicated genotype treated with 100 nM Baf A1 or DMSO vehicle and cultured in normal medium (starvation “−”) or EBSS (starvation “+”) for 3 h. Similar results were observed in three independent experiments.Quantification of GFP‐LC3 puncta in MEFs of indicated genotype treated with 10 nM Baf A1 or DMSO vehicle and cultured in normal medium or HBSS (starvation “+”) for 3 h. Bars are mean ± SEM of triplicate samples (˜100 cells analyzed per sample). *P < 0.05; two‐tailed unpaired t‐test. NC, nonsilencing control. Source data are available online for this figure. Ming Y Lee et al. EMBO Rep. 2016;embr.201642443 © as stated in the article, figure or figure legend