Salicylic acid is involved in the regulation of starvation stress-induced flowering in Lemna paucicostata

Copyright © 2012 Elsevier GmbH. All rights reserved.

Détails bibliographiques
Publié dans:Journal of plant physiology. - 1979. - 169(2012), 10 vom: 01. Juli, Seite 987-91
Auteur principal: Shimakawa, Aya (Auteur)
Autres auteurs: Shiraya, Takeshi, Ishizuka, Yuta, Wada, Kaede C, Mitsui, Toshiaki, Takeno, Kiyotoshi
Format: Article en ligne
Langue:English
Publié: 2012
Accès à la collection:Journal of plant physiology
Sujets:Journal Article Enzyme Inhibitors Phenylalanine Ammonia-Lyase EC 4.3.1.24 Salicylic Acid O414PZ4LPZ
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520 |a The short-day plant, Lemna paucicostata (synonym Lemna aequinoctialis), was induced to flower when cultured in tap water without any additional nutrition under non-inductive long-day conditions. Flowering occurred in all three of the tested strains, and strain 6746 was the most sensitive to the starvation stress conditions. For each strain, the stress-induced flowering response was weaker than that induced by short-day treatment, and the stress-induced flowering of strain 6746 was completely inhibited by aminooxyacetic acid and l-2-aminooxy-3-phenylpropionic acid, which are inhibitors of phenylalanine ammonia-lyase. Significantly higher amounts of endogenous salicylic acid (SA) were detected in the fronds that flowered under the poor-nutrition conditions than in the vegetative fronds cultured under nutrition conditions, and exogenously applied SA promoted the flowering response. The results indicate that endogenous SA plays a role in the regulation of stress-induced flowering 
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700 1 |a Shiraya, Takeshi  |e verfasserin  |4 aut 
700 1 |a Ishizuka, Yuta  |e verfasserin  |4 aut 
700 1 |a Wada, Kaede C  |e verfasserin  |4 aut 
700 1 |a Mitsui, Toshiaki  |e verfasserin  |4 aut 
700 1 |a Takeno, Kiyotoshi  |e verfasserin  |4 aut 
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