ENTEROBACTERALES DIFFERENTIAL TESTS Flashcards
Differential Test Results
Bacterial Strain
TSI: A/A g LIA: K/K, Indole: +, Methyl Red: –, Voges-Proskauer: –, Citrate: –
Escherichia coli
TSI: A/A G LIA K/K, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: +
Klebsiella pneumoniae
TSI: A/A G LIA K/K, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: +
Klebsiella oxytoca
TSI: A/A G LIA K/K, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: +
Enterobacter aerogenes
TSI: A/A G LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: +
Enterobacter cloacae
TSI: K/A g LIA K/K, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: –
Serratia marcescens
TSI: A/A g LIA K/A, H2S: +, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: –
Citrobacter diversus
TSI: A/A H2S g LIA K/A, Indole: –, Methyl Red: +, Voges-Proskauer: –, Citrate: +
Citrobacter freundii
TSI: K/A H2S g LIA K/K, Indole: –, Methyl Red: +, Voges-Proskauer: –, Citrate: +
Salmonella enteritidis
TSI: K/A H2S v LIA R/A, Indole: +, Methyl Red: –, Voges-Proskauer: –, Citrate: –
Proteus vulgaris
TSI: K/A H2S g LIA R/A, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: +
Proteus mirabilis
TSI: K/A H2S LIA K/K, Indole: –, Methyl Red: +, Voges-Proskauer: –, Citrate: –
Salmonella serotype Typhi
TSI: K/A LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: –, Citrate: –
Shigella dysenteriae
TSI: K/A LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: –, Citrate: –
Shigella sonnei
TSI: K/A LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: –
Shigella flexneri
TSI: K/A LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: –
Shigella boydii
TSI: K/A H2S g LIA K/K, Indole: –, Methyl Red: –, Voges-Proskauer: –, Citrate: –
Edwardsiella tarda
TSI: K/A LIA R/A, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: –
Providencia rettgeri
TSI: K/A LIA R/A, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: –
Providencia alcalifaciens
TSI: K/A g LIA R/A, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: –
Morganella morganii
TSI: K/A LIA K/A, H2S: v, Indole: –, Methyl Red: –, Voges-Proskauer: –, Citrate: +
Yersinia enterocolitica
MAC: Pink/Red, SSA: Pink/Red, XLD: Yellow, HEA: Yellow
Escherichia coli, Klebsiella pneumoniae, Klebsiella oxytoca, Enterobacter aerogenes, Enterobacter cloacae
MAC: Pink (Late), SSA: -, XLD: -, HEA: colorless
Serratia marcescens
MAC: Pink/Red, SSA: Pink/Red, XLD: Yellow, HEA: Orange to Salmon pink
Citrobacter diversus
MAC: Pink/Red, SSA: Pink/Red (H2S), XLD: Yellow (H2S), HEA: Orange to Salmon pink
Citrobacter freundii
MAC: Colorless, SSA: Colorless (H2S), XLD: Red/Colorless (H2S), HEA: Green/Colorless (H2S)
Salmonella enteritidis
MAC: Colorless, SSA: Colorless (H2S), XLD: Red/Colorless (H2S), HEA: Green/Colorless (H2S)
Proteus vulgaris, Proteus mirabilis
MAC: Colorless, SSA: Colorless (H2S), XLD: Red/Colorless (H2S), HEA: Green/Colorless (H2S)
Salmonella serotype Typhi
MAC: Colorless, SSA: Colorless, XLD: Red/Colorless, HEA: Green/Colorless
Shigella dysenteriae, Shigella sonnei
MAC: Colorless, SSA: Colorless, XLD: Red/Colorless, HEA: Green/Colorless
Shigella flexneri, Shigella boydii
MAC: Colorless, SSA: Colorless (H2S), XLD: Red/Colorless (H2S), HEA: Green/Colorless (H2S)
Edwardsiella tarda
MAC: Colorless, SSA: Colorless, XLD: Red/Colorless, HEA: Green/Colorless
Providencia rettgeri, Providencia alcalifaciens, Morganella morganii, Yersinia enterocolitica