PMID: 11607534May 9, 1995Paper

Oligogalacturonides and chitosan activate plant defensive genes through the octadecanoid pathway

Proceedings of the National Academy of Sciences of the United States of America
S H DoaresC A Ryan

Abstract

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 leaves of tomato plants increased several fold within 2 hr after supplying the polypeptide systemin, oligogalacturonides, or chitosan to the plants through their cut stems, as expected if they utilize the octadecanoid pathway. The time course of jasmonic acid accumulation in tomato leaves in response to wounding was consistent with its proposed role in signaling proteinase inhibitor mRNA and protein synthesis. The cumulative evidence supports a model for the activation of defensive genes in plants in response to insect and pathogen attacks in which various elicitors generate...Continue Reading

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Citations

Jan 1, 1996·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·A Schaller, C A Ryan
Dec 18, 2004·Plant Molecular Biology·Christian DelessertRudy Dolferus
Mar 6, 1999·Current Opinion in Plant Biology·X Dong
Apr 6, 2004·Trends in Plant Science·Sonja VorwerkChris Somerville
Mar 26, 1998·Biochimica Et Biophysica Acta·T MunnikA Musgrave
Oct 9, 1998·Progress in Lipid Research·E Blée
Sep 21, 2000·Plant Science : an International Journal of Experimental Plant Biology·J C Linden, M Phisalaphong
May 5, 2001·Plant Science : an International Journal of Experimental Plant Biology·C Lemonnier-Le PenhuizicP Potin
Jul 13, 2000·Free Radical Biology & Medicine·L M Guan, J G Scandalios
Oct 1, 1996·Current Opinion in Structural Biology·J C Promé
Jun 24, 2003·Trends in Plant Science·Johannes W Stratmann
Jun 17, 1998·The Plant Journal : for Cell and Molecular Biology·A VignutelliH Bohlmann
Nov 26, 1999·The Plant Journal : for Cell and Molecular Biology·E RojoJ J Sánchez-Serrano
Nov 16, 2011·Proceedings of the National Academy of Sciences of the United States of America·Erik H PoelmanMarcel Dicke
Jul 16, 2005·Food Additives and Contaminants·A SantinoG Mita
Sep 19, 2002·Molecular Plant-microbe Interactions : MPMI·Bing ZhangGary Stacey
Nov 25, 1997·European Journal of Biochemistry·L G Josefsson, L Rask
Jul 6, 2004·European Journal of Biochemistry·Christiane StuhlfelderHeribert Warzecha
Jun 1, 1997·Annual Review of Plant Physiology and Plant Molecular Biology·Robert A. Creelman, John E. Mullet
Jan 19, 1999·Annual Review of Cell and Developmental Biology·C A Ryan, G Pearce
Nov 10, 2013·PLoS Pathogens·Javier García-AndradePablo Vera
May 13, 1997·Proceedings of the National Academy of Sciences of the United States of America·M McConnJ Browse
Mar 4, 1997·Proceedings of the National Academy of Sciences of the United States of America·C KirschI E Somssich
Feb 17, 1999·Proceedings of the National Academy of Sciences of the United States of America·D R BergeyC A Ryan
Feb 3, 1999·Proceedings of the National Academy of Sciences of the United States of America·J RoyoJ J Sánchez-Serrano
May 26, 1999·Proceedings of the National Academy of Sciences of the United States of America·M Orozco-Cardenas, C A Ryan

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