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Table 2 The minimum inhibitory concentration (MIC) of CAMPs

From: Beta-defensin derived cationic antimicrobial peptides with potent killing activity against gram negative and gram positive bacteria

CAMPs

CAMP-t1

CAMP-t2

CAMP-A

CAMP-B

AvBD-6

Bacteria

(strain identification)

MIC (ÎĽg/ml)

MIC (ÎĽg/ml)

MIC (ÎĽg/ml)

MIC (ÎĽg/ml)

MIC (ÎĽg/ml)

P. aeruginosa (ATCC 27853)

64

64

16

32

> 256

P. aeruginosa (1704173) a

128

64

16

32

> 256

P. aeruginosa (1703357) a

128

128

16

64

> 256

P. aeruginosa (1703511) a

128

128

16

64

> 256

P. aeruginosa (1703000) a

128

64

8

32

> 256

P. aeruginosa (1703002) a

128

256

16

64

> 256

P. aeruginosa (1703451) a

128

64

16

64

> 256

P. aeruginosa (1703949) a

128

128

16

64

> 256

P. aeruginosa (1703290) a

128

128

16

64

> 256

P. aeruginosa (1703983) a

128

256

16

64

> 256

P. aeruginosa (1704175) a

128

64

16

32

> 256

MICAverage G-

122.18 ± 19.29a

122.18 ± 72.71a

15.27 ± 2.41c

52.36 ± 16.14b

> 256

S. aureus (ATCC 29213)

64

64

32

32

256

S. pseudintermedius(13164006)b

256

32

16

32

> 256

S. pseudintermedius(13203008)b

256

32

16

64

256

S. pseudintermedius(13178007)b

256

64

16

64

256

S. pseudintermedius(13267017)b

128

32

16

32

> 256

S. pseudintermedius(13252001)b

64

32

16

32

256

S. pseudintermedius(13269013)b

256

32

32

32

> 256

S. pseudintermedius(13193006)b

256

128

32

32

> 256

S. pseudintermedius(13228005)b

256

32

16

64

> 256

S. pseudintermedius(13207007)b

256

32

16

64

> 256

S. pseudintermedius(13250111)b

256

32

32

64

256

MICAverage G+

209.45 ± 81.41a

46.55 ± 29.89b

21.82 ± 8.07c

46.55 ± 16.71b

≥256

  1. aMultidrug resistant clinical isolates of P. aeruginosa were resistant to chloramphenicol, tetracycline, sulfamethoxazole, and β-lactam antibiotics: amoxicillin, ampicillin and cefazolin.
  2. bMethicillin-resistant S. pseudintermedius (MRSP)
  3. Superscripts a, b, and c mean significant difference (p < 0.05) between MICs of four CAMPs against either Gram-negative or Gram-positive bacteria