Skip to main content

Table 1 Biochemical characterization of Pseudomonas stutzeri and Acinetobacter baumannii isolated from crude oil

From: Bioreduction of hexavalent chromium by Pseudomonas stutzeri L1 and Acinetobacter baumannii L2

Characteristics

L1

L2

Gram stain

Colony shape

Circular

Oval

Motility test

+

Pigmentation

Yellow

Cream

Cell shape

Rod

Rod

Spore stain

Indole

Methyl red test

Voges-Proskauer

Citrate

+

+

Urease

H2S

Gelatin hydrolysis

+

+

Oxidase

Catalase

+

+

Glucose

+

+

Sucrose

Lactose

Xylose

+

+

Mannitol

  1. L1, Pseudomonas stutzeri strain, L2, Acinetobacter baumannii strain; +, positive response; −, negative response