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GrainGenes Reference Report: MPM-12-1064

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Reference	MPM-12-1064
Title	BWMK1, a novel MAP kinase induced by fungal infection and mechanical wounding in rice
Journal	Molecular Plant Microbe Interactions
Year	1999
Volume	12
Pages	1064-1073
Author	He C Fong SHT Yang D Wang GL
Abstract	Summary: The activation of the mitogen-activated protein (MAP) kinases by different environmental stresses has been previously observed in several dicot plant species. Here, we report the isolation of a novel MAP kinase in rice that is induced during infection by the blast fungus Magnaporthe grisea or upon mechanical wounding. The gene is designated as BWMK1 for blast- and wound-induced MAP kinase. The cDNA of BWMK1 was isolated from rice leaves challenged by the blast pathogen. Transcripts of the corresponding gene accumulated in rice leaves 4 h after blast inoculation and 30 min after mechanical wounding. This gene encodes a 506 amino acid protein that contains a new dual-phosphorylation activation motif TDY and about 150 unique amino acids on its C terminus. In-gel kinase activity and immunoprecipitation assays confirmed that BWMK1 is a functional MAP kinase. These results show that BWMK1 is a new member of the plant MAP kinase family and may mediate both defense and wound signaling in rice
Keyword	[ Hide all but 1 of 14 ] amino acid amino acid sequence complementary dna fungal diseases gene expression infection inoculation isolation magnaporthe grisea mechanical damage messenger rna oryza sativa protein kinase stress

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