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. 2016 Jul 8;16:137. doi: 10.1186/s12866-016-0756-x

Fig. 4.

Fig. 4

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