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Genomic DNA extraction from bacterial cells involves processes normally performed in most biological laboratories. Therefore, various methods have been offered, manually and kit, but these methods may be time consuming and costly. In this paper, genomic DNA extraction of Pseudomonas aeruginosa was investigated using some laundry detergent brands available in Iran. Afterwards, efficiency of the detergents was compared with manually standard methods and kits. To evaluate the efficiency of the genomic DNA in the processes in which DNA is used as a template, the polymerase chain reaction (PCR) tests and enzyme digestion of PCR product were used. The results show that the detergents could be used to extract genomic DNA. Among the brands studied, five-enzyme Taj and three-enzyme Saftlan had the best performance compared to standard methods.
Key words: Bacterial genome, DNA extraction, laundry powder, detergent.