ENTEROBACTERALES DIFFERENTIAL TESTS

Question 1

Differential Test Results

Answer 1

Bacterial Strain

Question 2

TSI: A/A g LIA: K/K, Indole: +, Methyl Red: –, Voges-Proskauer: –, Citrate: –

Answer 2

Escherichia coli

Question 3

TSI: A/A G LIA K/K, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: +

Answer 3

Klebsiella pneumoniae

Question 4

TSI: A/A G LIA K/K, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: +

Answer 4

Klebsiella oxytoca

Question 5

TSI: A/A G LIA K/K, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: +

Answer 5

Enterobacter aerogenes

Question 6

TSI: A/A G LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: +

Answer 6

Enterobacter cloacae

Question 7

TSI: K/A g LIA K/K, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: –

Answer 7

Serratia marcescens

Question 8

TSI: A/A g LIA K/A, H2S: +, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: –

Answer 8

Citrobacter diversus

Question 9

TSI: A/A H2S g LIA K/A, Indole: –, Methyl Red: +, Voges-Proskauer: –, Citrate: +

Answer 9

Citrobacter freundii

Question 10

TSI: K/A H2S g LIA K/K, Indole: –, Methyl Red: +, Voges-Proskauer: –, Citrate: +

Answer 10

Salmonella enteritidis

Question 11

TSI: K/A H2S v LIA R/A, Indole: +, Methyl Red: –, Voges-Proskauer: –, Citrate: –

Answer 11

Proteus vulgaris

Question 12

TSI: K/A H2S g LIA R/A, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: +

Answer 12

Proteus mirabilis

Question 13

TSI: K/A H2S LIA K/K, Indole: –, Methyl Red: +, Voges-Proskauer: –, Citrate: –

Answer 13

Salmonella serotype Typhi

Question 14

TSI: K/A LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: –, Citrate: –

Answer 14

Shigella dysenteriae

Question 15

TSI: K/A LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: –, Citrate: –

Answer 15

Shigella sonnei

Question 16

TSI: K/A LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: –

Answer 16

Shigella flexneri

Question 17

TSI: K/A LIA K/A, Indole: –, Methyl Red: –, Voges-Proskauer: +, Citrate: –

Answer 17

Shigella boydii

Question 18

TSI: K/A H2S g LIA K/K, Indole: –, Methyl Red: –, Voges-Proskauer: –, Citrate: –

Answer 18

Edwardsiella tarda

Question 19

TSI: K/A LIA R/A, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: –

Answer 19

Providencia rettgeri

Question 20

TSI: K/A LIA R/A, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: –

Answer 20

Providencia alcalifaciens

Question 21

TSI: K/A g LIA R/A, Indole: +, Methyl Red: –, Voges-Proskauer: +, Citrate: –

Answer 21

Morganella morganii

Question 22

TSI: K/A LIA K/A, H2S: v, Indole: –, Methyl Red: –, Voges-Proskauer: –, Citrate: +

Answer 22

Yersinia enterocolitica

Question 23

MAC: Pink/Red, SSA: Pink/Red, XLD: Yellow, HEA: Yellow

Answer 23

Escherichia coli, Klebsiella pneumoniae, Klebsiella oxytoca, Enterobacter aerogenes, Enterobacter cloacae

Question 24

MAC: Pink (Late), SSA: -, XLD: -, HEA: colorless

Answer 24

Serratia marcescens

Question 25

MAC: Pink/Red, SSA: Pink/Red, XLD: Yellow, HEA: Orange to Salmon pink

Answer 25

Citrobacter diversus

Question 26

MAC: Pink/Red, SSA: Pink/Red (H2S), XLD: Yellow (H2S), HEA: Orange to Salmon pink

Answer 26

Citrobacter freundii

Question 27

MAC: Colorless, SSA: Colorless (H2S), XLD: Red/Colorless (H2S), HEA: Green/Colorless (H2S)

Answer 27

Salmonella enteritidis

Question 28

MAC: Colorless, SSA: Colorless (H2S), XLD: Red/Colorless (H2S), HEA: Green/Colorless (H2S)

Answer 28

Proteus vulgaris, Proteus mirabilis

Question 29

MAC: Colorless, SSA: Colorless (H2S), XLD: Red/Colorless (H2S), HEA: Green/Colorless (H2S)

Answer 29

Salmonella serotype Typhi

Question 30

MAC: Colorless, SSA: Colorless, XLD: Red/Colorless, HEA: Green/Colorless

Answer 30

Shigella dysenteriae, Shigella sonnei

Question 31

MAC: Colorless, SSA: Colorless, XLD: Red/Colorless, HEA: Green/Colorless

Answer 31

Shigella flexneri, Shigella boydii

Question 32

MAC: Colorless, SSA: Colorless (H2S), XLD: Red/Colorless (H2S), HEA: Green/Colorless (H2S)

Answer 32

Edwardsiella tarda

Question 33

MAC: Colorless, SSA: Colorless, XLD: Red/Colorless, HEA: Green/Colorless

Answer 33

Providencia rettgeri, Providencia alcalifaciens, Morganella morganii, Yersinia enterocolitica