Elicitor and Calatalse Activity of Conidia Suspensions of Various Strains of Magnaporthe grisea in Suspension-Cultured Cells of Rice

Shigeru TANABEDivision of Plant Sciences, National Institute of Agrobiological Sciences

Nagao HAYASHIDivision of Plant Sciences, National Institute of Agrobiological Sciences

Yoko NISHIZAWADivision of Plant Sciences, National Institute of Agrobiological Sciences

Hisakazu YAMANEBiotechnology Research Center, The University of Tokyo

Naoto SHIBUYADepartment of Life Sciences, Faculty of Agriculture, Meiji University

Eiichi MINAMIDivision of Plant Sciences, National Institute of Agrobiological Sciences

Abstract

A conidia suspension of Magnaporthe grisea carried elicitor activity that induced the expression of defense-related genes and the production of H₂O₂ in suspension-cultured rice cells. The levels of H₂O₂ produced were dependent on fungal isolates and were correlated with the catalase activity in the supernatant fraction of each conidia suspension, not with gene-for-gene interactions.

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Elicitor and Calatalse Activity of Conidia Suspensions of Various Strains of Magnaporthe grisea in Suspension-Cultured Cells of Rice

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Elicitor and Calatalse Activity of Conidia Suspensions of Various Strains of Magnaporthe grisea in Suspension-Cultured Cells of Rice

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