Antioxidant Responses and Redox Regulation Within Plant-Beneficial Microbe Interaction
2024
González García, María de la Cruz | Roitsch, Thomas | Pandey, Chandana | Universidad de Sevilla. Departamento de Bioquímica Vegetal y Biología Molecular | Ministerio de Ciencia e Innovación (MICIN). España | Agencia Estatal de Investigación. España | European Union (UE) | Ministry of Education, Youth and Sports. Czech Republic | Novo Nordisk Foundation
The increase in extreme climate events associated with global warming is a great menace to,crop productivity nowadays. In addition to abiotic stresses, warmer conditions favor the spread of,infectious diseases affecting plant performance. Within this context, beneficial microbes constitute,a sustainable alternative for the mitigation of the effects of climate change on plant growth and,productivity. Used as biostimulants to improve plant growth, they also increase plant resistance to,abiotic and biotic stresses through the generation of a primed status in the plant, leading to a better,and faster response to stress. In this review, we have focused on the importance of a balanced redox,status for the adequate performance of the plant and revisited the different antioxidant mechanisms,supporting the biocontrol effect of beneficial microbes through the adjustment of the levels of reactive,oxygen species (ROS). In addition, the different tools for the analysis of antioxidant responses and,redox regulation have been evaluated. The importance of redox regulation in the activation of the,immune responses through different mechanisms, such as transcriptional regulation, retrograde,signaling, and post-translational modification of proteins, emerges as an important research goal for,understanding the biocontrol activity of the beneficial microbes.
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