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Survival of wild-type (WT) and mutant S. aureus (ΔCrtM) lacking carotenogenesis. (a) The mutant (white bar) has a much poorer survival compared with the wild-type (grey bar), when exposed to hydrogen peroxide. (b) Wild-type bacteria (diamonds) also better resist killing by neutrophils and (c) are more virulent (induce more skin lesion) than mutants lacking carotenogenesis (squares) (adapted from Liu et al. 2005).
