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. 2022 Apr 18;13:831037. doi: 10.3389/fmicb.2022.831037

Table 2.

Peptidomimetics with anti-biofilm activity at sub-inhibitory concentrations.

Peptidomimetics MIC (μg.ml−1) MBIC (μg.ml−1) Target organism Mechanism HC50c (μg.ml−1) References
mLys/mPhe 8 8 P. aeruginosa
  • Changes in bacterial surface properties that prevent the attachment

  • Stimulating twitching motility

260.5 Vishwakarma et al., 2021
mLys/mAla 16 8 P. aeruginosa
  • Changes in bacterial surface properties that prevent the attachment

  • Stimulating twitching motility

>1,250 Vishwakarma et al., 2021
mArg/mPhe 4 4 P. aeruginosa
  • Changes in bacterial surface properties that preventing the attachment

  • Reducing swarming motility

197.5 Vishwakarma et al., 2021
mArg/mAla 4 4 P. aeruginosa
  • Changes in bacterial surface properties that prevent the attachment

  • Stimulating twitching motility

  • Reducing swarming motility

551.6 Vishwakarma et al., 2021
Nal-P-113 160 6.25 P. gingivalis W83 Downregulation of genes related to binding proteins, transport, motility and transposases Wang et al., 2017a
DJK-5 16 1a P. aeruginosa Degradation of (p)ppGpp De La Fuente-Núñez et al., 2015
1.6 0.8a E. coli 0157
8 4a A. baumannii
3.2 1.6a K. pneumoniae
3.2 0.8a S. enterica
DJK-6 16 0.5a P. aeruginosa Degradation of (p)ppGpp De La Fuente-Núñez et al., 2015
16 8a E. coli 0157
8 2a A. baumannii
4 2a K. pneumoniae
4 1a S. enterica
Ac-Gup-Gup-Nap-Arg-NH2 >5 mM 0.08 (mM)b P. aeruginosa Sequestering c-di-GMP Foletti et al., 2018
Ac-Nap-Gup-Gup-Nap-Arg-NH2 0.156 mM 0.02 (mM)b P. aeruginosa Sequestering c-di-GMP Foletti et al., 2018
a

Minimal biofilm inhibitory concentrations leading to 50% decrease in adherent biofilm growth.

b

Minimal biofilm inhibitory concentrations that inhibited 50% of biofilm growth.

c

HC50: peptidomimetic concentration that produces 50% of hemolysis.