RB1 and infection: The phytopathogenic fungi U. maydis, M. oryzae, and A. alternata lacking the vacuolar proteases PrA and PrB and the subtilisin-like protease Spm1 were deficient in terms of autophagy, morphological transitions related to the infection processes, and probably the secretome (Saitoh et al., 2009; Soberanes-Gutiérrez et al., 2015) (Figure 3).