Journal Article

Effect of Methyl Jasmonate on Harpin-Induced Hypersensitive Cell Death, Generation of Hydrogen Peroxide and Expression of <i>PAL</i> mRNA in Tobacco Suspension Cultured BY-2 Cells

Salamah Andi, Fumiko Taguchi, Kazuhiro Toyoda, Tomonori Shiraishi and Yuki Ichinose

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 42, issue 4, pages 446-449
Published in print April 2001 | ISSN: 0032-0781
Published online April 2001 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pce056
Effect of Methyl Jasmonate on Harpin-Induced Hypersensitive Cell
Death, Generation of Hydrogen Peroxide and Expression of PAL mRNA
in Tobacco Suspension Cultured BY-2
Cells

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Methyl jasmonate inhibited the harpin-induced defense responses such as cell death, H2O2 generation and gene expression encoding phenylalanine ammonia-lyase in tobacco suspension cultured BY-2 cells. These results suggest that MeJA may act as an endogenous suppressor for plant defense response including hypersensitive reaction.

Keywords: Key words: Harpin — Hypersensitive reaction — Methyl jasmonate — Oxidative burst — Plant defense response.; Abbreviations: AOS, active oxygen species; cytAPX, cytosolic ascorbate peroxidase; HR, hypersensitive reaction; JA, jasmonic acid; JIPs, jasmonate-inducible proteins; MeJA, methyl jasmonate; PR, pathogenesis-related; PAL, phenylalanine ammonia-lyase; PCD, programmed cell death; SA, salicylic acid.

Journal Article.  2857 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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