Table 1.

Morphological and biochemical characteristics of metal resistant soil bacterial isolates

Test	Bacillus pumilus	Bacillus subtilis
Gram stain	+	+
Shape	Rod	Rod
Spore formation	+	+
Motility	+	+
Nitrate reduction	–	+
Urease	–	–
Catalase	+	+
Citrate	–	+
Oxidase	+	–
Indole	–	–
MR	+	–
VP	+	+
Gelatine hydrolysis	–	+
H2S	–	–
Oxidation and fermentation of:
Glucose	+	+
Sucrose	+	+
Mannitol	+	+
Fructose	+	+