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. 2022 Sep 23;15(9):2275–2284. doi: 10.14202/vetworld.2022.2275-2284

Table-3.

The biochemical profiles of E. coli O157:H7 Bull H9/1 compared to E. coli from other samples.

Biochemical substrates Abbreviation Biochemical profiles of E. coli

E. coli O157:H7 Bull H9/1 From other sources with different % probability

Excellent (96–100%) Very good (93–95%) Good to Acceptable (85–92%)
Ala-Phe-Pro-Arylamidase APPA - - (100%) - (100%) - (100%)
Adonitol ADO - - (100%) -(96.97%) - (70%)
L-Pyrrolydonyl-Arylamidase PyrA - - (100%) - (100%) - (100%)
L-Arabitol lARL - - (100%) - (100%) - (100%)
D-Cellobiose dCEL - - (100%) - (100%) - (100%)
β-Galactosidase BGAL + + (100%) +(100%) +(100%)
H2 S production H2S - - (100%) - (100%) - (100%)
β-N-Acetyl-Glucosaminidase BNAG - - (100%) - (100%) - (100%)
Glutamyl Arylamidase pNA AGLTp - - (100%) - (100%) - (100%)
D-Glucose dGLU + + (100%) - (100%) + (100%)
γ-Glutamyl-Transferase GGT - - (91.67%) - (72.72%) + (100%)
Fermentation/Glucose OFF + + (100%) + (100%) + (90%)
β-Glucosidase BGLU - - (100%) - (100%) + (100%)
D-Maltose dMAL + + (91.67%) + (100%) - (100%)
D-Mannitol dMAN + + (100%) + (100%) + (100%)
D-Mannose dMNE + + (100%) + (100%) + (100%)
β-Xylosidase BXYL - - (100%) - (100%) + (100%)
β-Alanine arylamidase pNA BAlap - - (100%) - (100%) - (100%)
L-Proline Arylamidase ProA + - (83.33%) - (81.82%) - (100%)
Lipase LIP - - (100%) - (100%) + (70%)
Palatinose PLE - - (100%) - (100%) - (100%)
Tyrosine Arylamidase TyrA + + (91.67%) + (90.91%) + (100%)
Urease URE + + (100%) + (100%) + (100%)
D-Sorbitol dSOR - + (100%) + (100%) + (90%)
Saccharose/Sucrose SAC + - (100%) + (90.91%) + (50%)
D-Tagatose dTAG - - (100%) - (93.94%) - (100%)
D-Trehalose dTRE + + (91.67%) + (100%) + (100%)
Citrate (sodium) CIT - - (100%) - (96.97%) + (100%)
Malonate MNT - - (100%) - (100%) - (80%)
5-Keto-D-Gluconate 5KG - - (100%) - (72.72%) - (80%)
L-Lactate alkalinization lLATk + + (100%) + (100%) + (100%)
α-Glucosidase AGLU - - (100%) - (100%) - (100%)
Succinate alkalinization SUCT + + (100%) + (100%) + (100%)
β-N-Acetyl-Galactosaminidase NAGA - - (100%) - (100%) - (100%)
α-Galactosidase AGAL + + (100%) + (100%) + (100%)
Phosphatase PHOS + + (66.67%) - (84.85%) + (80%)
Glycine Arylamidase GlyA + + (100%) + (96.97%) + (100%)
Ornithine Decarboxylase ODC + + (66.67%) + (63.63%) + (50%)
Lysine Decarboxylase LDC + + (83.33%) + (93/94%) + (100%)
L-Histidine assimilation lHISa + - (100%) - (100%) - (100%)
Courmarate CMT + + (100%) + (100%) + (100%)
β-Glucoronidase BGUR + + (100%) + (100%) + (100%)
O/129 Resistance (comp.vibrio.) O129R + + (83.33%) + (66.67%) + (90%)
Glu-Gly-Arg-Arylamidase GGAA - - (100%) - (100%) - (100%)
L-Malate assimilation lMLTa + - (83.33%) - (90.91%) + (80%)
Ellman ELLM + + (100%) + (100%) + (100%)
L-Lactate assimilation lLATa + - (100%) + (96.97%) - (70%)

E. coli=Escherichia coli