Figure 1: Agarose gel showing the amplified 16S rDNA of 3 isolates. 1st lane is 1kp marker, 2nd lane, 3rd lane and 4th lane are of 16S rDNA of P. pseudoalcaligenes, Bacillus pumilus and Stenotrophomonas maltophilia having molecular weight of about 1500 bp each respectively from the right hand side.