Fig. 6

Expression profiles of caspase homologues in Mytilus coruscus after different stress. (a) Expression levels of the caspase genes in gill after the antibiotic and bacterial challenge. (b) Expression levels of the caspase genes in gill exposure to copper. (c) Expression levels of the caspase genes in mantle after ocean acidification treatment. Ctrl, control; Anti, exposure to a mixture of antibiotics for 24 h; ML, Micrococcus luteus; VP, Vibrio parahemolyticus; Anti + ML/VP-0.5 h, M. luteus or V. parahemolyticus challenge was performed 0.5 h after exposure to antibiotics for 24 h; OA, ocean acidification. * indicates significant difference at fold change ≥ 2