Nitric oxide (NO) role in oil quality improvement

Abstract

9th Congress of FEBiotec - Annual Congress of Biotechnology 10 al 12 de julio de 2019 en MadridOne of the most important challenges in future agriculture is related to crop production, improving productivity and agronomic characteristics to provide a balanced diet in a growing world population trying to minimize environmental impacts. In this context, fatty acid composition is an important determinant of seed oil quality and a deeper understanding of the storage lipid regulation would be a key feature. Nitric oxide (NO) is a signaling molecule involved in a plethora of physiological processes during plant growth with important implications during embryogenesis and in the promotion of seed germination. We obtain phenotypic, genetic and biochemical evidences about NO role in lipid reserves accumulation. Using different Arabidopsis thaliana mutant backgrounds, NO-deficient and NOoveraccumulating mutants and gain- and loss-of-function bZIPs lines, we find different storage patterns in seed fatty acid content, highlighting an important role of NO. Establishing links in this complex network of seed reserves, we could find additional strategies to improve seed quality, according to food requirements of the global population