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Summary Previously regarded merely as damaging agents, reactive oxygen species (ROS) are now understood as important signal molecules vital to normal plant growth. This tutorial review covers the emerging view of ROS signaling networks from ROS production to specific outputs. The chemical nature of individual reactive oxygen species, their site of the production, control of ROS accumulation via scavenging...
The entry of ozone (O3) to the leaf intercellular airspace is followed by its degradation to reactive oxygen species (ROS) and the induction of active ROS production by the plant itself. Using genetic and genomic tools, some of the components involved in plant O3 responses have begun to be delineated. Mutant screens and analyses in the model plant Arabidopsis thaliana have revealed a picture of the...
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