Characterization of a New Immunosuppressive and Antimicrobial Peptide, DRS-DA2, Isolated from the Mexican Frog, Pachymedusa dacnicolor

Table 3

Antibacterial activities of DRS-DA2N on some skin multiresistant bacteria in comparison with reference antibiotics.

Bacterial strains	DRS-DA2N (µM)	ATB (µM)
S. aureus ATCC 700699 (MecA+)	>5.2	>43.8^a
S. epidermidis ST20140436 (MecA+)	5.2	>43.8^a
E. coli OXA-48 (carbapenemase)	5.2	>43.8
Acinetobacter johnsonii (carbapenemase)	1.3	>29.3^b
Propionibacterium acnes (clinical isolate)	1.3	0.13^c
Propionibacterium acnes (clinical isolate)	0.6	0.27^c

ATB: reference antibiotics, a: amoxicillin, b: ceftazidime, and c: doxycycline.