CAT and infection: Four catalase enzymes (Sscle03g026200, Sscle04g037170, Sscle05g047950, and Sscle15g104430) were upregulated during infection, all showing highest expression at 96 hpi and no induction at 24 hpi (Additional file 14: Table S13), likely to coincide with peak ROS levels at the later stages of infection.