Table 4.
Antibacterial Activities of Ageliferin (13), Bromogeliferin (14), and Dibromoageliferin (15) against Multi-Drug-Resistant Gram-Positive and Gram-Negative Bacteria
| strain (Gram +/−) | strain | resistance marker | 13a | 14a | 15a |
|---|---|---|---|---|---|
| E. coli (−) | ATCC 25922 | susceptible | 100 | 12.5 | 12.5 |
| ATCC 35218 | ESBL-producing | 100 | 25 | 12.5 | |
| K. pneumoniae (−) | ATCC 700603 | susceptible | >100 | >100 | 12.5 |
| id-146/19 | carbapenemresistant | >100 | >100 | 25 | |
| A. baumannii (−) | ATCC 19606 | susceptible | >100 | >100 | 100 |
| id-261/16 | carbapenemresistant | >100 | 100 | 100 | |
| P. aeruginosa (−) | ATCC 27853 | susceptible | 50 | 12.5 | 25 |
| S-6065/06 | carbapenemresistant | >100 | 50 | 25 | |
| E. faecalis (+) | ATCC 29212 | susceptible | >100 | >100 | 6.2 |
| ATCC 51299 | vancomycin resistant | >100 | >100 | 6.2 | |
| S. aureus (+) | ATCC 25923 | susceptible | >100 | 12.5 | 6.2 |
| ATCC 33591 | oxacillinresisant | >100 | 12.5 | 6.2 |
Concentration in μM. ATCC, American Type Culture Collection; ESBL, β-lactamase broad-spectrum.