Table 3 Summarization and tabulation of the result of the different biochemical tests performed on all obtained isolates

Catalase

+

Oxidase

-

Bile esculin

-

Urease

+

Nitrate reduction

-

Sugar Assimilation tests

Modified rapid tube carbohydrates assimilation

+

Auxanographic carbohydrate assimilation

Modified nitrate assimilation test

+

Temperature survivability test

5 °C

+

25 °C

+

30 °C

+

35 °C

+

40 °C

+

45 °C

+

50 °C

+

55 °C

+

60 °C

-

Cycloheximide resistance test

+

Blood agar plate test

-

Lipolytic activity on Tween 80 agar

-

Micromorphology

Blastospores

Capsule demonstration test

+

Broth culture growth pattern and pellicle formation test

Sediment after 48 h incubation

and remain as pellicle after 10 days of refrigeration