(A) Wild‐type (YW5‐1B), apg10‐1 mutant (MT91‐4‐2) and Δapg10 (TFD10‐L1) cells were incubated in SD(−N) medium containing 1 mM PMSF at 30°C. After incubation for 6 h, cells were observed under light microscopy (Nomarski images). 