publication . Article . Other literature type . 2011

Interplay Between Abscisic Acid and Jasmonic Acid and its Role in Water-oxidative Stress in Wild-type, ABA-deficient, JA-deficient, and Ascorbate-deficient Arabidopsis Plants

Brossa, Ricard; López-Carbonell, Marta; Jubany-Marí, Tana; Alegre, Leonor;
  • Published: 05 Feb 2011 Journal: Journal of Plant Growth Regulation, volume 30, pages 322-333 (issn: 0721-7595, eissn: 1435-8107, Copyright policy)
  • Publisher: Springer Science and Business Media LLC
The interplay between jasmonic acid (JA) and abscisic acid (ABA) in plant responses to water stress and in water-stress-enhanced oxidative stress was investigated in Arabidopsis thaliana plants subjected to water stress by water deprivation. For this purpose a drought assay was conducted using Arabidopsis mutants impaired in ABA (aba2), JA (aos), and ascorbate (vtc1) biosynthesis. Our results show an interaction between ABA and JA during their biosynthesis. Moreover, the coordinated action of ABA and JA protected wild-type, aba2, and aos plants from the effects of stress. However, this effect was not observed in the vtc1 mutant, which showed a distinct decrease ...
Medical Subject Headings: food and beveragesfungi
free text keywords: Agronomy and Crop Science, Plant Science
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