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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