Frontiers Achieving abiotic stress tolerance in plants through antioxidative defense mechanisms Ascorbate as seen through plant evolution: the rise of a successful molecule? Plant Lascorbic acid: chemistry, function, metabolism, bioavailability and effects of processing Davey 2000 Journal of the Science of Food and Agriculture Wiley Online Library Frontiers Endophytic fungus Serendipita indica accelerates ascorbate glutathione cycle of white clover in response to water stress Frontiers Nitric oxide delays yellowing by regulating chloroplast membrane lipid metabolism and the ascorbateglutathione cycle in postharvest broccolini