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Table 2 Results of biochemical tests of the pathogenic isolates

From: Molecular characterization of the virulent microorganisms along with their drug-resistance traits associated with the export quality frozen shrimps in Bangladesh

Assumed pathogenic isolates

TSI

Motility

Indole production

MR

VP

Citrate utilization

Catalase

Oxidase

 

Slant

Butt

Gas

H2S

Staphylococcus aureus

Y

Y

-

-

-

-

+

+

-

+

-

Escherichia coli

Y

Y

+

-

+

+

+

-

-

+

-

Klebsiella spp.

Y

Y

+

-

+

-

-

+

+

+

-

Shigella spp.

R

Y

-

-

-

+

+

-

-

+

+

Vibrio spp.

R

Y

-

-

+

-

+

-

-

+

+

Aeromonas spp.

R

Y

+

-

+

-

-

+

+

+

+

  1. TSI = Triple Sugar Iron Test, Y = Yellow (Acidic), + = presence, - = absence, R = Red (Alkaline), MR = Methyl Red, VP = Voges–Proskauer.