Table 1.

MIC values for ampicillin, P-113, Phe-P-113, Nal-P-113, and Bip-P-113 in different concentrations of NaCl

SpeciesMIC (μg/ml)a
MH brothLYM broth
ControlNaCl concn (mM)
50100200300
APP-113PheNalBipAPP-113PheNalBipP-113PheNalBipP-113PheNalBipP-113PheNalBipP-113PheNalBip
Escherichia coli ATCC 2592225>50>5012.512.52512.512.53.16.2550503.112.550>5012.512.5>50>502512.5>50>505012.5
Staphylococcus aureus ATCC 259233.1>50>506.253.112.512.56.251.563.15012.51.566.2550503.112.5>50>5012.512.5>50>505025
S. aureus ATCC 2921312.5>50>506.256.2512.512.56.251.563.150251.566.2550>503.16.25>50>506.256.25>50>502512.5
S. aureus ATCC 1963625>50>506.2512.56.2550256.256.25505012.56.2550>50256.25>50>505012.5>50>505012.5
Pseudomonas aeruginosa ATCC 27853X>50>505050X25251.563.150501.563.1505012.56.25>50>50506.25>50>50>5012.5
P. aeruginosa ATCC 9027X>50>505050X12.5253.13.150>506.256.2550>50506.25>50>50506.25>50>50>5050
  • a X, ampicillin resistant; AP, ampicillin; Phe, Phe-P-113; Nal, Nal-P-113; Bip, Bip-P-113.