Fig. 4
From: Tryptophan catabolism in Pseudomonas aeruginosa and potential for inter-kingdom relationship
3-OH-kynurenine concentrations ex vivo and hypothetical metabolic pathway. a 3-OH-kynurenine concentrations in CHA (black), CHA∆kynA (dark gray) and CHA∆kynU (light gray) strains growth medium supernatants. Representative data from two experiments in duplicates. Error bars represent means +/− SD. b Hypothetical metabolic pathway responsible for bacterial synthesis of 3-OH-kynurenine