Fig. 5
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12866-021-02145-x/MediaObjects/12866_2021_2145_Fig5_HTML.png)
HPLC-measured concentration of L-glutamate (a), L-glutamine (b), L-aspartate (c) and L-asparagine (d) in the spent medium of wild-type P. aeruginosa PAO1 and the ΔaauR mutant at 6.0 and 9.0 h post inoculation. Data points represent mean values ± SD obtained from triplicate bacterial samples grown at 37 °C in glucose-minimal media supplemented with an initial concentration of 20 mM of indicated amino acid. ND denotes not detected