Gene expression and promoter analysis of a novel tomato aldo-keto reductase in response to environmental stresses

Copyright © 2016 Elsevier GmbH. All rights reserved.

Détails bibliographiques
Publié dans:Journal of plant physiology. - 1979. - 200(2016) vom: 01. Aug., Seite 35-44
Auteur principal: Suekawa, Marina (Auteur)
Autres auteurs: Fujikawa, Yukichi, Inada, Shuhei, Murano, Asako, Esaka, Muneharu
Format: Article en ligne
Langue:English
Publié: 2016
Accès à la collection:Journal of plant physiology
Sujets:Journal Article Abiotic stress Aldo-keto reductase Gene expression Plant hormone Promoter assay Solanum lycopersicum Plant Growth Regulators Plant Proteins Recombinant Proteins plus... Aldo-Keto Reductases EC 1.1.1.- Aldehyde Reductase EC 1.1.1.21 Luciferases EC 1.13.12.- Ascorbic Acid PQ6CK8PD0R
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520 |a The functional role of an uncharacterized tomato (Solanum lycopersicum) aldo-keto reductase 4B, denoted as SlAKR4B, was investigated. The gene expression of tomato SlAKR4B was detected at a high level in the senescent leaves and the ripening fruits of tomato. Although d-galacturonic acid reductase activities tended to be higher in tomato SlAKR4B-overexpressing transgenic tobacco BY-2 cell lines than those in control cell lines, SlAKR4B gene expression was not well correlated with l-ascorbic acid content among the cell lines. The analysis of the transgenic cell lines showed that tomato SlAKR4B has enzyme activities toward d-galacturonic acid as well as glyceraldehyde and glyoxal, suggesting that the SlAKR4B gene encodes a functional enzyme in tomato. Gene expression of SlAKR4B was induced by NaCl, H2O2, and plant hormones such as salicylic acid and jasmonic acid, suggesting that SlAKR4B is involved in the stress response. The transient expression assay using protoplasts showed the promoter activity of the SlAKR4B gene was as high as that of the cauliflower mosaic virus 35S promoter. Also, the promoter region of the SlAKR4B gene was suggested to contain cis-element(s) for abiotic stress-inducible expression 
650 4 |a Journal Article 
650 4 |a Abiotic stress 
650 4 |a Aldo-keto reductase 
650 4 |a Gene expression 
650 4 |a Plant hormone 
650 4 |a Promoter assay 
650 4 |a Solanum lycopersicum 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Recombinant Proteins  |2 NLM 
650 7 |a Aldo-Keto Reductases  |2 NLM 
650 7 |a EC 1.1.1.-  |2 NLM 
650 7 |a Aldehyde Reductase  |2 NLM 
650 7 |a EC 1.1.1.21  |2 NLM 
650 7 |a Luciferases  |2 NLM 
650 7 |a EC 1.13.12.-  |2 NLM 
650 7 |a Ascorbic Acid  |2 NLM 
650 7 |a PQ6CK8PD0R  |2 NLM 
700 1 |a Fujikawa, Yukichi  |e verfasserin  |4 aut 
700 1 |a Inada, Shuhei  |e verfasserin  |4 aut 
700 1 |a Murano, Asako  |e verfasserin  |4 aut 
700 1 |a Esaka, Muneharu  |e verfasserin  |4 aut 
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