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Table 2 Antimicrobial activity of BMAP-27, BMAP-28, P19(9/B) and Tobramycin evaluated under different experimental conditions: “CF-like” (5% CO 2 , pH 6.8, SCFM) and “standard CLSI-recommended” (aerobiosis, pH 7.2, CAMHB)

From: Potential novel therapeutic strategies in cystic fibrosis: antimicrobial and anti-biofilm activity of natural and designed α-helical peptides against Staphylococcus aureus, Pseudomonas aeruginosa, and Stenotrophomonas maltophilia

Bacterial strains

Susceptibility (MICCF-like/MICCLSI) to:

BMAP-27

BMAP-28

P19(9/B)

TOBRAMYCIN

P. aeruginosa

Pa1

8/4

8/8

4/16

4/0.25

Pa5

8/4

16/16

8/8

16/2

Pa6

8/8

16/16

16/8

8/8

Pa9

8/4

16/16

16/8

64/1

Sm109

4/8

4/16

4/8

128/64

Sm126

8/16

8/32

4/32

256/64

Sm143

8/8

4/8

4/4

8/2

S. aureus

    

Sa1

128/64

8/16

128/16

256/64

Sa3

64/64

4/32

64/16

256/16

Sa4

64/64

4/16

32/8

32/2

Sa7

64/16

4/16

64/8

256/2

Mean MIC CF-like /MIC CLSI

1.5

0.5

2.8

23.9

P. aeruginosa

    

Pa1

8/8

8/16

16/32

4/1

Pa5

16/8

16/32

16/16

16/4

Pa6

16/8

16/16

16/32

8/8

Pa9

8/8

16/32

64/16

128/2

Sm109

8/16

8/16

8/8

256/128

Sm126

8/32

16/32

8/32

256/64

Sm143

16/8

8/8

4/4

8/8

Sa1

128/64

8/16

128/16

256/64

Sa3

64/64

4/32

64/16

256/32

Sa4

64/64

8/32

32/8

32/2

Sa7

64/NDa

8/16

64/8

256/4

Mean MBC CF-like /MBC CLSI

1.2

0.5

2.9

15.6

  1. a ND, not determined.