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Table 4 Morphological and biochemical characteristics of bacterial isolates from soil of mining areas in Zamfara State

From: Physicochemical and molecular characterization of heavy metal–tolerant bacteria isolated from soil of mining sites in Nigeria

Code

Shape

Spo

Gra

Cat

Lac

Suc

Glu

Cit

Mot

Ind

Ure

MR

VP

Nit.

H2S

Gas

Oxi

Sta

Organism

AA

Rod

+

+

 

+

 

+

+

+

+

+

Bacillus sp.

AA1

Rod

+

+

+

+

+

+

+

+

+

+

Pseudomonas sp.

BA

Rod

+

+

+

+

+

+

+

+

Aeromonas sp.

C1

Cocci

+

+

+

+

+

+

+

+

+

+

Streptococcus sp.

DA

Rod

+

+

+

+

+

+

Alcaligenes sp.

AB

Rod

+

+

+

+

+

+

Leptothrix sp.

BB

Cocci

+

+

+

+

+

+

+

+

+

+

Micrococcus sp.

DA2

Cocci

+

+

 

+

+

+

 

+

+

Enterococcus sp.

  1. Key: Spo spore, Gra Gram reaction, Cat catalase; Suc sucrose, Glu glusose; Cit citrate, Mot motility, Ind indole; Ure urease, MR methyl red, VP Voges–Proskauer, Nit nitrate reduction, H2S hydrogen sulfide, Oxi oxidase, Sta starch hydrolysis