Table 4 Prevalence of antimicrobial potency synergy in binary combinations of WF AMPs.

From: Synergy between Winter Flounder antimicrobial peptides

Combination

EMRSA-15 NCTC 13616

K. pneumoniae NCTC 13368

A. baumannii AYE

FIC (mean ± SEM)

MICs (µg/ml)

FIC (mean ± SEM)

MICs (µg/ml)

FIC (mean ± SEM)

MICs (µg/ml)

WF1/WF1a

1.50

128/128

1.00

16/64

0.50

2/8

WF1/WF1a-1

0.50

32/2

1.00

16/2

0.50

2/0.5

WF1/WF2

0.19 ± 0.06

8/0.25–16/0.5

0.31

8/0.25

0.50

2/0.5

WF1/WF3

0.19 ± 0.06

8/0.5–16/1

0.50

8/16

0.25

1/2

WF1/WF4

2.00

128/128

0.75

16/4

0.75 ± 0.25

2/1 - 4/2

WF1a/WF1a-1

0.38

32/2

0.25

16/0.5

0.25

4/0.25

WF1a/WF2

0.19

16/0.5

0.13

8/0.25

0.25

4/0.25

WF1a/WF3

0.19

16/1

1.00

64/32

0.50

8/4

WF1a/WF4

1.50

128/128

1.00

64/8

0.50

8/1

WF1a-1/WF2

1.50 ± 0.5

4/2–8/4

1.00

2/2

1.00

1/1

WF1a-1/WF3

1.00

4/4

0.50

1/16

0.19 ± 0.06

0.125/1–0.25/2

WF1a-1/WF4

2.00

8/128

1.50 ± 0.5

2/8–4/16

1.00

1/2

WF2/WF3

1.00

2/4

0.25

0.5/8

0.25

0.25/2

WF2/WF4

0.25

0.5/16

1.00

2/8

0.50

0.5/1

WF3/WF4

1.00

4/64

0.25

8/2

0.19 ± 0.06

1/0.25–2/0.5

  1. FICs and the corresponding combination MICs are shown for the simple binary screen. Combinations with FIC < 0.50, i.e. strong synergy, are shown in bold. FICs are the mean of two repeats +/− the SEM where an SEM exists.