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Table 2 Result of in vitro antimicrobial activity

From: In vitro and in vivo toxicity and antibacterial efficacy of melittin against clinical extensively drug-resistant bacteria

Strains

Source

MIC (µg /mL)

MBC (µg/mL)

A. baumannii

 

Melittin

Colistin

Vancomycin

Melittin

Colistin

Vancomycin

XDR-CI3

Blood

16

0.5

 N/A

16

0.5

 N/A

XDR-CI12

Lung

8

0.25

 N/A

8

0.25

 N/A

XDR-CI32

Blood

16

0.5

 N/A

16

0.5

 N/A

XDR-CI33

Blood

16

0.5

 N/A

16

0.5

 N/A

XDR-CI45

Lung

16

0.5

 N/A

16

0.5

 N/A

XDR-CI60

Lung

8

0.25

 N/A

8

0.25

 N/A

XDR-CI66

Blood

16

0.5

 N/A

16

0.5

 N/A

XDR-CI86

Blood

16

0.5

 N/A

16

0.5

 N/A

Mean

 

13.71

0.42

-

13.71

0.42

-

S. aureus

 

MRSA-CI26

Wound

32

N/A

0.25

32

 N/A

0.25

MRSA-CI6

Lung

16

N/A

0.5

16

 N/A

0.5

MRSA-CI39

Lung

8

N/A

0.25

8

 N/A

0.25

MRSA-CI46

Wound

16

N/A

0.25

16

 N/A

0.25

MRSA-CI47

Wound

32

N/A

0.25

32

 N/A

0.25

Mean

 

20.08

-

0.3

20.08

-

0.3

 K. pneumonia

 

KPC-KP-CI1

Blood

32

0.5

 N/A

50

0.5

 N/A

  1. MIC: minimum inhibitory concentration; MBC: minimum bactericidal concentration; CI: clinical isolate; XDR: extensively drug-resistant; MRSA: methicillin-resistant Staphylococcus aureus; KPC-KP: KPC-producing Klebsiella pneumonia; N/A: not applicable