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Table 2 Antimicrobial activities of peptides against gram-positive and gram-negative bacteria

From: Dimerization of cell-penetrating buforin II enhances antimicrobial properties

Organism

Antimicrobial activity (MIC: μM)

Magainin II

K-(magainin II)2

Buforin II

K-(buforin II)2

Gram-positive bacteria

 Bacillus subtilis

8

2

8

0.5

 Staphylococcus aureus

16

2

8

1

 Staphylococcus epidermidis

16

4

16

2

Gram-negative bacteria

 Escherichia coli

32

4

8

1

 Salmonella Typhimurium

16

2

4

0.5

 Pseudomonas aeruginosa

32

4

16

2