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Fig. 3. VID22 is not required for other vacuolar trafficking pathways.
Wild-type,
pep4,
agp1 and
vid22 strains
were grown to log phase and examined for the processing of API and CPY. (A)
Processing of API in wild-type (lane 1),
pep4 (lane 2),
agp1 (lane 3) and
vid22 (lane 4) strains. (B)
Processing of CPY in wild-type (lane 1),
pep4 (lane 2),
agp1 (lane 3) and
vid22 (lane 4) strains. (C)
The degradation of peroxisomes in response to glucose was examined using
thiolase as a marker protein. Peroxisomes were degraded with similar kinetics
in both the wild-type and
vid22 strains. (D) Wild-type,
agp1 and
vid22 strains were incubated for 6
hours in SD(-N) containing 1 mm PMSF to induce the autophagy pathway. The
accumulation of autophagic bodies was observed by light microscopy.