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. 2025 Apr 15;13(5):e03388-24. doi: 10.1128/spectrum.03388-24

Fig 5.

Bar charts depict dose-dependent inhibition of biofilm formation by 5-iodoindole in six isolates. All tested concentrations from 1/2 MIC to 1/64 MIC significantly reduced biofilm levels compared to untreated controls across strains.

Biofilm formation inhibition of six XDRAB isolates (A19, A35, A43, A50, A46, and A49) by 7-hydroxyindole at sub-MIC levels (n = 6, x- ± s; **P < 0.01 versus none group).