A MAP kinase gene, BMK1, is required for conidiation and pathogenicity in the rice leaf spot pathogen Bipolaris oryzae |
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| Authors: | Moriwaki Akihiro Kihara Junichi Mori Chie Arase Sakae |
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| Affiliation: | Faculty of Life and Environmental Science, Shimane University, Matsue, Shimane 690-8504, Japan. |
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| Abstract: | We isolated and characterized BMK1, a gene encoding a mitogen-activated protein kinase (MAPK), from the rice leaf spot pathogen Bipolaris oryzae. The deduced amino acid sequence showed significant homology with Fus3/Kss1 MAPK homologues from other phytopathogenic fungi. The BMK1 disruptants showed impaired hyphal growth, no conidial production, and loss of virulence against rice leaves, indicating that the BMK1 is essential for conidiation and pathogenicity in B. oryzae. |
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| Keywords: | Bipolaris oryzae Conidiation Mitogen-activated protein (MAP) kinase Near-ultraviolet radiation Pathogenicity |
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