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Transcriptional and hormonal profiling of Fusarium graminearum-infected wheat reveals an association between auxin and susceptibility

From National Research Council Canada

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DOIResolve DOI: https://doi.org/10.1016/j.pmpp.2019.04.006
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Affiliation
  1. National Research Council Canada. Digital Technologies
FormatText, Article
SubjectFusarium graminearum; auxin; transcriptome; Triticum aestivum; microarray; hormone signaling
Abstract
Resistance to Fusarium graminearum, a fungal pathogen of cereals, has been associated with increased defense-associated hormonal responses in wheat. A comparison of susceptible (Roblin) and moderately resistant wheat genotypes (Wuhan 1, Nyubai) revealed transcriptional regulation of 1021 genes during infection. Only 4% of these genes were uniquely differentially expressed in the susceptible genotype including an auxin transporter, an ABC transporter, and transcription factors. Roblin displayed higher auxin accumulation during infection relative to resistant genotypes, but similar levels of salicylic acid and jasmonic acid. This indicates that the auxin pathway is one of the few susceptibility-associated pathways during F. graminearum infection.
Publication date
PublisherElsevier
In
  • Physiological and Molecular Plant Pathology 107, no. August 2019 (19 April 2019): 33–39.
LanguageEnglish
Peer reviewedYes
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Record identifier796defb0-c887-45e0-be40-b0798e6f2c2d
Record created2021-07-16
Record modified2021-07-19
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