ISOLATION, SCREENING, AND PARTIAL CHARACTERIZATION OF OXALATE OXIDASE ENZYME FROM PSEUDOMONAS STRAIN UNDER INDUCED OXALATE STRESS CONDITION
Keywords:Oxalate oxidase, Salt stress, Pseudomonas strain, Peroxidase
Oxalate oxidase (OxO), a manganese dependent enzyme, is involved in the catalysis of oxalate oxidation to carbon dioxide with the formation of hydrogen peroxide. OxO is present in the cell wall of plants. It increases the resistivity against diseases and external stress. Oxalate is found as waste metabolites in mammals, excess accumulation of oxalate results in hyperoxaluria and urolithiasis in humans. These disorders can be diagnosed by the help of OxO in many analytical methods. The present study is aimed on isolation of OxO enzyme fromÂ Pseudomonas strain under high salt stress. The OxO enzyme was produced in bulk under selected salt stress. It was partially purified by ammonium sulphate precipitation method, dialysis and ion-exchange chromatography. The OxO enzyme on enzymatic analysis showed potent activity concerning oxalic acid substrate. The microtiter plate analysis confirmed the ability of OxO enzyme purified from Pseudomonas strain in the diagnosis of oxalate-related disorders and in the future could be used to prepare the diagnostic biosensors.
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Copyright (c) 2022 ANITA PATIL, HARIPRASAD PAIKRAO, RUBINA SHEIKH, LEENA DHAKATE
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