Table 6 Antimicrobial effect of PLNC8 αβ with antibiotics against resistant strains of Staphylococcus.

From: Plantaricin NC8 αβ exerts potent antimicrobial activity against Staphylococcus spp. and enhances the effects of antibiotics

Antimicrobial agent

MRSA

S. epidermidis 126*

S. epidermidis 157*

MIC

MBC

ΣFIC

MIC

MBC

ΣFIC

MIC

MBC

ΣFIC

L-PLNC8 αβ (µM)

12.5

25

 

12.5

50

 

12.5

>50

 

Vancomycin (µg/ml)

1.5

3.1

 

3.1

3.1

 

6.25

6.25

 

Vancomycin/L-PLNC8 αβ (10 µM)

<0.097

0.39

 

<0.097

0.78

 

6.25

6.25

 

Vancomycin/L-PLNC8 αβ (5 µM)

<0.097

0.78

1.00

<0.097

0.78

0.38

6.25

6.25

1.01

Teicoplanin (µg/ml)

0.78

3.1

 

3.1

6.25

 

12.5

25

 

Teicoplanin/L-PLNC8 αβ (10 µM)

<0.097

0.39

 

<0.097

0.39

 

12.5

25

 

Teicoplanin/L-PLNC8 αβ (5 µM)

<0.097

0.78

0.75

<0.097

0.39

0.38

12.5

25

1.01

  1. The bacteria were exposed to vancomycin or teicoplanin in combination with the indicated concentrations of L-PLNC8 αβ and MIC, MBC and ΣFIC were determined after 24 h.
  2. *hGISE strains.