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Table 3 Showing the gram staining, motility and biochemical test results of 4 isolates compared with the standard strain

From: Extraction of biosurfactant from pseudomonas aeruginosa inhabiting oil-spilled soils

S.no

Test

Standard strain (atcc 9027)

Isolated sample

1

Gram staining

GNR

GNR

2

Motility

MR

MR

3

Indole

(−)

(−)

4

Citrate utilization

( +)

( +)

5

Urease

(−)

(−)

6

TSI

K/K

K/K

  1. GNR: Gram negative rods, MR : Motile rods, (+) : Positive, (-) : Negative, K/K: Alkaline slant/Alkaline butt