Abstract

The isolation and phylogenetic characterization of acidophilic moderate thermophilic bacteria from different locations of uranium mines and a uranium processing mill in Pakistan is reported. The dominant culturable bacteria found were related to Sulfobacillus thermosulfidooxidans in all the samples analyzed. Different strains displayed different levels of identity (95-97%) to 16S rDNA of known strains of this species, indicating group heterogeneity. Genomic DNA from five isolates was subjected to amplification using integron-specific primers HS286 and HS287. Recovery of different integron-linked genes from one of the isolates indicated the usefulness of this approach for gene mining in place of traditional gene recovery methodologies.

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