Plants facing oxidative challenges—A little help from the antioxidant networks

By Cristiano Soares, M. Carvalho, R. Azevedo, F. Fidalgo. Environmental and Experimental Botany, 2019

381 citations recorded by the source corpus.

Abstract A large number of reviews have discussed many aspects of oxidative burst due to plant exposure to biotic and abiotic stresses, including the dual role of reactive oxygen species (ROS) as both signaling and toxic compounds, and the strategies developed by plants to cope with this oxidative imbalance. In this review, we have concentrated on fresh new information and other promising and emerging topics of oxidative stress and antioxidant mechanisms in plants, giving particular attention to genotoxicity, transgenerational alterations and quantitative trait loci (QTL) associated with enhancements in the plant tolerance to stresses. Furthermore, besides the discussion of the “classical” enzymatic and non-enzymatic components of plant defense, novel aspects about the components of the antioxidant machinery, which now includes sugars, annexins and dehydrins, are also presented, along with a final section on future directions in this field.

Subfields: Biochemistry, Biotechnology

View Paper: https://www.semanticscholar.org/paper/5ba2d759d4b0928fec9d841b8655bd3d680a7afe

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Citations in the corpus

• Melatonin and reactive oxygen and nitrogen species: a model for the plant redox network (2019, background): “Thus, ROS and RNS seem to act by regulating processes such as seed germination, plant growth, organogenesis, reproduction, senescence, and also responses to abiotic stressors (drought, salinity, cold, heat, UV radiation, chemical agents, among others) and biotic stressors (28, 31-36).”