"Malondialdehyde (MDA) has been considered in the past exclusively as the non-enzymatic oxidation by-product of many fatty acids with three (trienoic fatty acids) or more double bonds. However, nowadays MDA is known to be responsible of the up-regulation of many genes involved, principally, in abiotic stress responses in plants. The origin of a second MDA pool independent of trienoic fatty acids f ...