Table 1.

Antibacterial Activities of peptides and pseudopeptides minimal inhibitory concentration (MIC) expressed in μg.mL⁻¹.

	Cuttlefish peptide	Analogs of cuttlefish peptide					Antibiotics
	AD	AK	Aβ3K	K-2Nal7	K-1Nal	K-2Nal	Ampicillin
Gram positive
Bacillus megaterium	640	80	na	80	20	80	20
Enterococcus faecalis	naa	na	na	>640	>640	>640	5
Listeria monocytogenes	na	na	na	80	80	160	5
Staphylococcus aureus	na	320	na	80	20	40	5
Gram negative
Escherichia coli	640	80	na	320	40	160	5
Salmonella typhimurium	na	320	na	80	80	160	5
Pseudomonas aeruginosa	na	640	>640	160	160	320	320
Klebsiella pneumoniae	na	>640	na	na	na	>640	5
Vibrio harveyi	>640	320	na	40	640	640	>320
Vibrio alginolyticus	320	320	na	80	>640	>640	>320
Vibrio aestuarianus	640	80	na	40	80	80	5
Vibrio splendidus	320	40	320	20	320	640	10

^ana : not active