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. Author manuscript; available in PMC: 2023 May 27.
Published in final edited form as: J Nat Prod. 2022 Apr 15;85(5):1340–1350. doi: 10.1021/acs.jnatprod.2c00094

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
a

Concentration in μM. ATCC, American Type Culture Collection; ESBL, β-lactamase broad-spectrum.