publication . Other literature type . Article . 1995

Oligogalacturonides and chitosan activate plant defensive genes through the octadecanoid pathway.

S. H. Doares; T. Syrovets; E. W. Weiler; C. A. Ryan;
Open Access English
  • Published: 09 May 1995
Jasmonic acid, synthesized from linolenic acid (the octadecanoid pathway), has been proposed to be part of a signal transduction pathway that mediates the induction of defensive genes in plants in response to oligouronide and polypeptide signals generated by insect and pathogen attacks. We report here that the induction of proteinase inhibitor accumulation in tomato leaves by plant-derived oligogalacturonides and fungal-derived chitosan oligosaccharides is severely reduced by two inhibitors (salicylic acid and diethyldi-thiocarbamic acid) of the octadecanoid pathway, supporting a role for the pathway in signaling by oligosaccharides. Jasmonic acid levels in leav...
Medical Subject Headings: food and beveragesfungi
free text keywords: Research Article, Multidisciplinary, Jasmonic acid, chemistry.chemical_compound, chemistry, Signal transduction, Biology, Biochemistry, Gene, Protein biosynthesis, Systemin, Salicylic acid, Linolenic acid, Octadecanoid pathway
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