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Table 4 Biochemical tests of the most resistant E. coli strains (E. coli-2 and E. coli-10)

From: Isolation and characterization of coliphages from different water sources and their biocontrol application combined with electron beam irradiation for elimination of E. coli in domestic wastewater

Biochemical test

E. coli-2

E. coli-10

Biochemical test

E. coli-2

E. coli-10

Ala-phe ProArylamidase

 − 

 − 

l -Arabitol

 − 

 − 

H2S production

 − 

 − 

d -glucose

 + 

 + 

Beta-glucosidase

 − 

 − 

d -mannose

 + 

 + 

l-proline Arylamidase

 + 

 − 

Tyrosine arylamidase

 + 

 + 

Saccharose/cucrose

 − 

 − 

Citrate (Sodium)

 − 

 − 

l-Lactate alkalinisation

 + 

 − 

Beta- N -Acetyl Galactoseaminidase

 − 

 − 

Glycine Arylamidase

 − 

 − 

l -Histidine assimilation

 − 

 − 

O/129 resistance (comp. vibrio)

 + 

 + 

Ellman

 + 

 + 

Adonitol

 + 

 − 

d -cellobiose

 − 

 − 

Beta-N-Acetyl-Glucosaminidase

 − 

 − 

Gamma-Glutamyl transferase

 − 

 − 

d-maltose

 + 

 + 

Beta-Xylosidase

 − 

 − 

Lipase

 − 

 − 

Urease

 − 

 − 

d-Tagatose

 − 

 − 

Manitol

 − 

 − 

Alpha-Glucose

 − 

 − 

Alpha-Galactosidase

 + 

 + 

Ornithine Decarboxylase

 − 

 − 

Coumarate

 + 

 + 

Glu-Glu-Arg-Arylamidase

 − 

 − 

l -Lactate assimilation

 − 

 − 

l-Pyrrolydonyl-Arylamidase

 − 

 − 

Beta-Galactosidase

 + 

 + 

Glutamyl Arylamidase PNA

 − 

 − 

Fermentation/glucose

 + 

 + 

d-Mannitol

 + 

 + 

Beta-Alanine arylamidase pNA

 − 

 − 

Palatinose

 − 

 − 

d -sorbitol

 + 

 + 

d-Trehalose

 + 

 + 

5-Keto- d -Gluconate

 − 

 + 

Succinate alkalinisation

 + 

 + 

Phosphatase

 + 

 − 

Lysine Decaboxylase

 + 

 + 

Beta-Glucuronidase

 + 

 + 

l-Malate assimilation

 − 

 − 

   
  1. Where ( +): positive result and ( −): negative result