Bioremediation of Polycyclic Aromatic Hydrocarbons in Contaminated Soils Using Vermicompost

Table 2

Morphological and biochemical characteristics of two selected bacterial species.

Test	Pseudomonas	Citrobacter
Gram staining	−	−
Cell	Bacillus	Bacillus
Oxidaze	+	−
Oxygen of fermentation	+	−
H2S	−	+
MR	+	+
VP	−	−
Iodine test (phenylalanine dehydrogenase)	−	−
Catalase	+	+
Citrate	+	+
Movement	+	−
Urease	−	−