Studyof GerminLike Oxalate Oxidase Enzyme in Monocot Plants

Oxalate oxidase enzyme in monocotyledonous plants, act as a scavenger to breakdown oxalic acid into carbon dioxide and hydrogen peroxide. They perform several important functions in early plant defence responses, including induction of PR protein synthesis and systemic resistance. In the present study oxalic acid, the virulence factor of fungi, was applied to monocotyledonous plants and it was observed that it activates the innate host immune system, along with secretion of oxalate oxidase. The enzymatic activities of other host defence related enzymes like catalase, superoxide dismutase, ascorbic acid oxidase, phenolic content, phenylalanine ammonia lyase were compared between the control and oxalic acid treated (2mM) plants.