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[Effect of chitooligosaccharides with different degrees of acetylation on the activity of wheat pathogen-inducible anionic peroxidase].

Abstract
The effect of chitooligosaccharides (CHOSs) with a molecular weight of 5-10 kDa and a degree of acetylation (DA) of 65 and 13% at a concentration of 1.0 mg/L on the expression of the TC151917 gene, which encodes wheat anionic peroxidase, and the activity of "anionic" isoperoxidases in common wheat plants infected with Septoria nodorum Berk.--the causative agent of septoriosis. Treatment with CHOSs with a 65% DA and infection promoted the transcription of the anionic peroxidase gene and increased the enzymatic activity of the anionic peroxidase with an isoelectric point of 3.5 in soluble and ion-bound to cell walls protein fractions. Chitooligosaccharides with a 13% DA change these parameters to a lesser extent. These data suggest the importance of the degree of acetylation of CHOSs in the development of immune responses of wheat with the involvement of peroxidases.
AuthorsI V Maksimov, A Sh Valeev, E A Cherepanova, G F Burkhanova
JournalPrikladnaia biokhimiia i mikrobiologiia (Prikl Biokhim Mikrobiol) 2014 Jan-Feb Vol. 50 Issue 1 Pg. 95-100 ISSN: 0555-1099 [Print] Russia (Federation)
PMID25272758 (Publication Type: English Abstract, Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Plant Proteins
  • Chitin
  • Peroxidases
  • anionic peroxidase
Topics
  • Acetylation
  • Chitin (analogs & derivatives, pharmacology)
  • Gene Expression Regulation, Plant (drug effects)
  • Isoelectric Point
  • Molecular Weight
  • Peroxidases (biosynthesis, genetics, immunology)
  • Plant Diseases (genetics, immunology, microbiology)
  • Plant Immunity (drug effects, genetics)
  • Plant Proteins (biosynthesis, genetics, immunology)
  • Saccharomycetales (pathogenicity, physiology)
  • Transcription, Genetic (drug effects)
  • Triticum (genetics, immunology, microbiology)

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