The diversity among the bacterial communities are mainly occurs in adverse environmental conditions. In this study we evaluated the bacterial diversity in a soil sample from industrial sites particularly metal based industrial factory with heavy metals. Industrial soil contains 14 different bacteria among that the dominant taxonomic groups of Pseudomonas and Bacillus were isolated. The isolated and identified bacterial diversity on genus level among the three different sites was analyzed by using PRIMER 6 (version 5.2.9). The generation of similarity matrix, Hierarchical cluster analysis (HCA), analysis of similarity (ANOSIM) and principal component analysis were carried out using SPSS package. ANOSIM was used to test for significant differences between sample groups defined by cluster tree, the percentage of cumulative dominance of bacteria with species rank calculated. The results indicated that the apparent diversity of bacterial communities from metal contaminated industrial soil was found to be sharing only 40% similarity. From that, the genera Micrococcus (SS2), Bacillus (SS3, SS12, JS43 and PS13), Aeromonas (JS10) and Pseudomonas (JS49 and PS15) appeared up to 6000 ppm of Fe(III) resistance, but in the presence of Mn (IV), 6 isolates namely Bacillus (SS3, JS43 and PS13) and Pseudomonas (JS49, PS1 and PS15) resistant to higher concentration of manganese (IV) as 6000 ppm. The present study would be a lime light for further exploration of eco-friendly bioremediation of metal contaminated soil in Salem district in turn enhances the benefits for the human welfare.
