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Effect of extreme temperatures on powdery mildew development and Hsp70 induction in tomato and wild Solanum spp

Author

Listed:
  • Lucie KUBIENOVÁ

    (Department of Biochemistry, Faculty of Science, Palacky University in Olomouc, Olomouc, Czech Republic)

  • Michaela SEDLÁŘOVÁ

    (Department of Botany, Faculty of Science, Palacky University in Olomouc, Olomouc, Czech Republic)

  • Andrea VÍTEČKOVÁ-WÜNSCHOVÁ

    (Department of Cell Biology and Genetics, Faculty of Science, Palacky University in Olomouc, Olomouc, Czech Republic)

  • Jana PITERKOVÁ

    (Department of Biochemistry, Faculty of Science, Palacky University in Olomouc, Olomouc, Czech Republic)

  • Lenka LUHOVÁ

    (Department of Biochemistry, Faculty of Science, Palacky University in Olomouc, Olomouc, Czech Republic)

  • Barbora MIESLEROVÁ

    (Department of Botany, Faculty of Science, Palacky University in Olomouc, Olomouc, Czech Republic)

  • Aleš LEBEDA

    (Department of Botany, Faculty of Science, Palacky University in Olomouc, Olomouc, Czech Republic)

  • Milan NAVRÁTIL

    (Department of Cell Biology and Genetics, Faculty of Science, Palacky University in Olomouc, Olomouc, Czech Republic)

  • Marek PETŘIVALSKÝ

    (Department of Biochemistry, Faculty of Science, Palacky University in Olomouc, Olomouc, Czech Republic)

Abstract

Changes in Hsp70 gene expression and protein level were studied in three Solanum spp. genotypes in response to short-term high and low temperatures and to infection by powdery mildew. Development of Oidium neolycopersici was compared on plant leaves and leaf discs with regard to the influence of temperature. Heat and especially cold pre-treatment of host tissues inhibited pathogenesis and decreased chlorophyll concentration. Exposure to heat increased Hsp70 (70 kDa heat shock proteins) content in all three genotypes of Solanum spp., whereas the infection induced the accumulation of Hsp70 only in susceptible S. lycopersicum. These results are in accordance with the suggested role of Hsp70 chaperons in plant responses to metabolic pathway disturbances triggered by pathogen challenge.

Suggested Citation

  • Lucie KUBIENOVÁ & Michaela SEDLÁŘOVÁ & Andrea VÍTEČKOVÁ-WÜNSCHOVÁ & Jana PITERKOVÁ & Lenka LUHOVÁ & Barbora MIESLEROVÁ & Aleš LEBEDA & Milan NAVRÁTIL & Marek PETŘIVALSKÝ, 2013. "Effect of extreme temperatures on powdery mildew development and Hsp70 induction in tomato and wild Solanum spp," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 49(SpecialIs), pages 41-54.
    • Handle: RePEc:caa:jnlpps:v:49:y:2013:i:specialissue:id:45-2013-pps
    DOI: 10.17221/45/2013-PPS
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