HomeSearch by AntimicrobialNalidixic acid (NegGam)
Microorganism MIC50sort
(μg/ml)
MIC90sort
(μg/ml)
Rangesort
(μg/ml)
Reference
Campylobacter spp. - - 4 - ? 478
Citrobacter freundii 4 16 4 - >32 244
Citrobacter koseri 4 4 2 - >32 244
Clostridium perfringens (ATCC 13124) - - >8 - ? 650
Clostridium spiroforme (A7) - - >8 - ? 650
Clostridium spiroforme (A8) - - >8 - ? 650
Clostridium spiroforme (B61) - - >8 - ? 650
Clostridium spiroforme (BA 1) - - >8 - ? 650
Clostridium spiroforme (C121Q) - - 8 - ? 650
Clostridium spiroforme (CED 1) - - >8 - ? 650
Clostridium spiroforme (D11) - - >8 - ? 650
Clostridium spiroforme (D13) - - >8 - ? 650
Clostridium spiroforme (D14) - - >8 - ? 650
Clostridium spiroforme (NCTC 11493) - - >8 - ? 650
Clostridium spiroforme (RPO 980) - - >8 - ? 650
Enterobacter aerogenes 4 4 2 - >32 244
Enterobacter aerogenes (ATCC 13048) - - 3.13 - ? 1439
Enterobacter cloacae >4 >32 2 - >32 244
Enterobacter cloacae (963) - - 6.25 - ? 1439
Enterobacter cloacae (BW 1150) 512 - ? - ? 1392
Enterobacteriaceae - - 1 - 128 401
Enterococcus faecalis >32 >32 >32 - ? 244
Enterococcus faecalis (vancomycin-resistant) >32 >32 >32 - ? 244
Enterococcus faecium >32 >32 >32 - ? 244
Enterococcus faecium (vancomycin-resistant) >32 >32 >32 - ? 244
Escherichia coli - - 1 - 256 873
Escherichia coli (ATCC 25922) - - 2 - ? 650
Escherichia coli (ATCC 25922) - - 4 - ? 401