Figure 3From: The resistance of the yeast Saccharomyces cerevisiae to the biocide polyhexamethylene biguanide: involvement of cell wall integrity pathway and emerging role for YAP1Cytotoxicity assay to PHMB of yeast strains with deletion in oxidative stress response genes. (A) Spot test assay of parental BY4741 and Δyap1 mutants to oxidizing compound H2O2 and to PHMB. (B) Dose-response cell survival in a PHMB assay of ctt1, tsa1 and yap1 mutant strains.Back to article page