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. 2022 Dec 9;13:1074359. doi: 10.3389/fmicb.2022.1074359

Table 2.

Antimicrobial activity of the peptides against multidrug-resistant bacteria.

MICs (μM)
E. coli HP73 E. coli HP74
WL-C6 4 4
WL-C8 4 4
Polymyxin B 8 4
Colistin 4 4
Rifampicin >128 16
Ceftazidime 128 32
Erythromycin >128 >128
Gentamicin 128 128
Kanamycin A >128 >128
Vancomycin 64 32
Ofloxacin >128 >128
Norfloxacin >128 128
Ciprofloxacin >128 128

MIC is considered the lowest peptide concentration with no optical density increase.