Table 1 Colistin MICs and antimicrobial activity of biosurfactant extract ST34 (10.00 mg/mL) against a panel (n = 16) of MDR and XDR bacterial isolates
From: Exploring the antimicrobial resistance profiles of WHO critical priority list bacterial strains
Organism | Strain Code | Source | Colistin MIC (mg/L) | Antimicrobial inhibition zone diameter (mm) ± SD |
|---|---|---|---|---|
Surfactin Extract | ||||
A. baumannii | AB 1 | ATCC | 2 (S) | 13.3 ± 1.2 |
AB 2 | Clinical | 2 (S) | 14.7 ± 0.6 | |
AB 4 | Clinical | > 4a (R) | 17.3 ± 0.6 | |
AB 6 | Environmental | 2 (S) | 11.7 ± 1.2 | |
E. coli | EC 1 | ATCC | 4 (R) | 12.7 ± 0.6 |
EC 2 | Clinical | 2 (S) | 15.7 ± 0.6 | |
EC 3 | Clinical | > 4a (R) | 15.7 ± 1.6 | |
EC 4 | Environmental | 4 (R) | 14 ± 0 | |
EC 5 | Environmental | 4 (R) | 17.7 ± 0.6 | |
K. pneumoniae | KP 1 | ATCC | 4 (R) | 14.3 ± 0.6 |
KP 4 | Clinical | 4 (R) | 13.3 ± 0.6 | |
KP 5 | Environmental | > 4a (R) | 13 ± 1 | |
P. aeruginosa | PA 1 | ATCC | 4 (R) | 13 ± 0 |
PA 2 | Clinical | 8 (R) | 13 ± 0 | |
PA 3 | Clinical | 4 (R) | 13.3 ± 0.6 | |
PA 4 | Environmental | 4 (R) | 12.7 ± 0.6 |