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Involvement of an efflux transporter in prochloraz resistance of Fusarium fujikuroi CF245 causing rice bakanae disease

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Abstract

Rice bakanae disease pathogens resistant to conazole fungicide prochloraz have been reported in Korea. Understanding fungal response associated with the resistant is required for successful control of the disease. Investigation of prochlorazresistant responses of the rice bakanae disease pathogen, Fusarium fujikuroi, showed significant growth inhibition of the resistant strain after sodium azide treatment suggested involvement of the ABC transporter in fungal prochloraz-resistant responses. Prochloraz degradation was accompanied by fungal growth, dependently on sodium azide treatment. Partial sequence analysis of the ABC transporter gene confirmed that the resistant strain possesses an efflux transporter with high sequence similarity to genes of conazole fungicide-resistant pathogens. These results suggest that the prochloraz-resistant responses of F. fujikuroi CF245 involve an efflux transporter.

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Authors and Affiliations

  1. Institute of Environmentally-Friendly Agriculture, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, 500-757, Republic of Korea

    You Ri Yang, Young Cheol Kim & In Seon Kim

  2. National Academy of Agricultural Science, Rural Development Administration, Suwon, 441-707, Republic of Korea

    Se Won Lee & Si Woo Lee

  3. Department of Biology, Chungnam National University, Daejeon, 305-764, Republic of Korea

    Gwang Guk An

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  1. You Ri Yang
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  2. Young Cheol Kim
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  3. Se Won Lee
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  4. Si Woo Lee
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  5. Gwang Guk An
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  6. In Seon Kim
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Correspondence to In Seon Kim.

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Yang, Y.R., Kim, Y.C., Lee, S.W. et al. Involvement of an efflux transporter in prochloraz resistance of Fusarium fujikuroi CF245 causing rice bakanae disease. J Korean Soc Appl Biol Chem 55, 571–574 (2012). https://doi.org/10.1007/s13765-012-2126-1

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  • DOI: https://doi.org/10.1007/s13765-012-2126-1

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