Fig. 7From: Physicochemical and molecular characterization of heavy metal–tolerant bacteria isolated from soil of mining sites in NigeriaAgarose gel electrophoresis for PCR product of 16SrDNA showing the four bacterial isolates labelled A (Alcaligenes faecalis strain UBI), B (Aeromonas sobria, C (Aeromonas sp strain UBI), and D (Leptothrix ginsengisoli)Back to article page