Table 2

Biochemical profile and identification of the isolate from the BMT recipient by conventional biochemical tests, the Vitek GNI+ system, and the API 20E system

Biochemical reactions/enzymesConventionalVitek GNI+API 20E
BMT, bone marrow transplant.
Motility+
Growth on MacConkey agar+
Nitrate reduction++
Cytochrome oxidase
β-Galactosidase+++
Arginine dihydrolase
Lysine decarboxylase+++
Ornithine decarboxylase+++
Citrate utilisation
Malonate utilisatiion
Acetamide utilisation
H2S+++
Urease
Tryptophan deaminase
Indole++
Acetoin
Gelatinase
Glucose fermentation++
Glucose oxidation++
Fermentation/oxidation of
Glucose+
Mannitol+++
Inositol
Sorbitol+++
Rhamnose+++
Sucrose
Melibiose
Amygdalin
Arabinose+++
Lactose
Maltose++
Xylose++
Raffinose
Adonitol
Dulcitol
Salicin
Indoxyl-β-D-glucoside metabolism
Glucose fermentation in the presence of p-coumaric+
Esculin hydrolysis
Polymyxin B resistance
2,4,4′-Trichloro-2′-hydroxydiphenylether resistance
IdentificationEnterobacteriaceaeSalmonella arizonae 73%Escherichia coli 76%
Salmonella spp 17%Salmonella arizonae 23%