Kinetics of the accumulation of jasmonic acid and its derivatives in systemic leaves of tobacco (Nicotiana tabacum cv. Xanthi nc) and translocation of deuterium-labeled jasmonic acid from the wounding site to the systemic site

In plants, the mobile signal needed for wound-induced systemic acquired resistance (WSR) has been elusive. The signal compound involved in WSR is supposed to be JA or its derivatives. On the basis of kinetic study of the accumulation of JA or its derivatives, it was discovered that JA, JA-Ile, tuber...

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Bibliographic Details
Published in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2009-09, Vol.73 (9), p.1962-1970
Main Authors: Sato, C.(Hokkaido Univ., Sapporo (Japan)), Seto, Y, Nabeta, K, Matsuura, H
Format: Article
Language:English
Subjects:
ACIDE JASMONIQUE
ACIDO JASMONICO
Biological and medical sciences
Biological Transport
Chromatography, Liquid
Cyclopentanes - metabolism
DEUTERIO
DEUTERIUM
ESTRES
Fundamental and applied biological sciences. Psychology
HERIDAS
JASMONIC ACID
Kinetics
Nicotiana - metabolism
NICOTIANA TABACUM
Oxylipins - metabolism
PLAIE
Plant Leaves - metabolism
Spectrometry, Mass, Electrospray Ionization
STRESS
Tandem Mass Spectrometry
TECHNIQUE DES TRACEURS
TECNICAS DE TRAZADORES
TRACER TECHNIQUES
tuberonic acid
tuberonic acid glucoside
wound induced systemic acquired resistance
WOUNDS
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Summary:In plants, the mobile signal needed for wound-induced systemic acquired resistance (WSR) has been elusive. The signal compound involved in WSR is supposed to be JA or its derivatives. On the basis of kinetic study of the accumulation of JA or its derivatives, it was discovered that JA, JA-Ile, tuberonic acid (TA, 12-OH epi-JA), and tuberonic acid glucoside (TAG) accumulated in systemic tissues in response to mechanical wounding stress in the tobacco plant (Nicotiana tabacum). Attempts to recover deuterium-labeled JA in systemic leaves after feeding the wounded leaves with deuterium-labeled JA were successfully done. It was also found that the translocated deuterium-labeled JA was metabolized to TA in systemic leaves under feeding of deuterium-labeled JA to the wounding leaves.
ISSN:0916-8451
1347-6947
DOI:10.1271/bbb.90119