EcoRI. acetylated BSA and 10X restriction buffer for the restriction analysis of the recombinant plasmid. Ethanol p.a., 70% nitric acid, Mercury thiocyanate and iron(III) ammonium sulphate for dehalogenase activity test. Ethidium bromide for the identification of DNA fragments with UV light. Isopropyl-f-D-thiogalactopyranoside (IPTG ) and X-gal to selectively control of the formation of bacterial colonies transformed. Ampicillin as antibiotic used for selecting recombinant E. coli containing plasmid. Lysozyme and proteinase K are used for the isolation of the bacterial chromosome DNA and PCR primer ready mix kit for gene amplification reaction. T4 DNA ligase and ligation buffer for gene cloning ligation into pGEM-T esay Tryptone, yeast extract, bacto agar, glucose lactose, NaH2PO4, K2HPO4, (NH4)2 , SO4 , MgSO4, 7H20 is used for medium. PGEM-T easy is used as a cloning vector.