Isolation and characterization ofPleurotus ostreatus mutant strains resistant to a carboxin-derived fungicide,flutolanil |
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Authors: | Yoichi Honda Toshikazu Irie Mina Atsuji Takashi Watanabe Masaaki Kuwahara |
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Affiliation: | (1) Wood Research Institute, Kyoto University, 611 Gokasho, Uji, Japan |
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Abstract: | To develop a dominant genetic marker inPleurotus ostreatus, mutant strains resistant to a carboxin-derived fungicide, flutolanil, were isolated. These mutants included strains which showed resistance to 50-fold higher concentration of fluotolanil than the wild-type strain, even after successive cultivations in the absence of the drug. Dominance of the phenotype was confirmed by back-crossing between the resistant and wild-type monokaryons. The flutolanilresistance was also shown to be stably inherited by the basidiospore-derived progenies of the mutant strains. |
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Keywords: | carboxin fungicide genetic marker Plenurotus ostreatus resistant mutant |
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