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

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 inclu...

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Veröffentlicht in:	Plant and cell physiology 2001-04, Vol.42 (4), p.446-449
Hauptverfasser:	Andi, S. (Okayama Univ. (Japan). Faculty of Agriculture), Taguchi, F, Toyoda, K, Shiraishi, T, Ichinose, Y
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetates - pharmacology APOPTOSIS CELL CULTURE Cell Death - drug effects Cells, Cultured Cyclopentanes - pharmacology DEFENCE MECHANISMS Gene Expression Regulation, Plant - drug effects Hydrogen Peroxide - metabolism HYPERSENSITIVITY Kinetics METHYL JASMONATE Nicotiana - cytology Nicotiana - drug effects Nicotiana - metabolism NICOTIANA TABACUM Oxylipins PHENYLALANINE AMMONIA LYASE Phenylalanine Ammonia-Lyase - genetics Plant Growth Regulators - pharmacology Respiratory Burst - drug effects RNA, Messenger - genetics Transcription, Genetic
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Zusammenfassung:	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.
ISSN:	0032-0781 1471-9053
DOI:	10.1093/pcp/pce056