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Characterization of the BLR1 gene encoding a putative blue-light regulator in the phytopathogenic fungus Bipolaris
Junichi Kihara1, Akihiro Moriwaki, Nozomi Tanaka
1Faculty of Life and Environmental Science, Shimane University, Matsue, Shimane, Japan. j-kihara@life.shimane-u.ac.jp
Abstract:
Bipolaris oryzae is a filamentous ascomycetous fungus that causes brown leaf spot disease in rice. We isolated and characterized BLR1, a gene that encodes a putative blue-light regulator similar to Neurospora crassa white-collar 1 (WC-1). The deduced amino acid sequence of BLR1 showed high degrees of similarity to other fungal blue-light regulator protein. Disruption of the BLR1 gene demonstrated that this gene is essential for conidial development after conidiophore formation and for near-UV radiation-enhanced photolyase gene expression.
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