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

Lucie Kubienová, Michaela Sedlářová, Andrea Vítečková-Wünschová, Jana Piterková, Lenka Luhová, Barbora Mieslerová, Aleš Lebeda, Milan Navrátil and Marek Petřivalský
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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

Plant Protection Science, 2013, vol. 49, issue SpecialIssue, S41-S54

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.

Keywords: heat shock proteins; Oidium neolycopersici; real-time PCR; Western blot (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:49:y:2013:i:specialissue:id:45-2013-pps

DOI: 10.17221/45/2013-PPS

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