Phenotypic Characterization and Synthesis of Extracellular Catecholase from a Newly Isolated Bacterium Pseudomonas sp. BSC-6
Lugani, Yogita | Kauldhar, Baljinder Singh | Kaur, Navneet | Sooch, Balwinder Singh
Abstract Catecholase (EC 1.10.3.1), an oxidoreductase enzyme is a key member of polyphenol oxidase family which catalyze the degradation of catechol. This enzyme possesses vast applications in diverse areas and is found in bacteria, fungi, mushrooms, higher plants, arthropods, amphibians and mammals. Catechol, a phenolic compound, is used as a starting material in the synthesis of various industrial compounds such as inhibitors, antioxidants, pesticides etc. The release of this phenolic compound in the environment causes toxicity to both flora and fauna. In the present studies, emphasis has been laid on isolation, screening and characterization of catechol degrading bacterium coupled with synthesis of catecholase enzyme. Further, the selected isolated strain was phenotypically characterized and was found to be member of genus Pseudomonas. Among all the isolates, BSC-6 was found as best isolate with maximum extracellular catecholase activity of 152.32 IU/L obtained after scale up studies. The herein synthesized bacterial catecholase may be employed for wide applications particularly in bioremediation of phenol enriched polluted sites.
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