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Review
. 2021 May 27;186(1):53-65.
doi: 10.1093/plphys/kiaa088.

Selective redox signaling shapes plant-pathogen interactions

Jade R Bleau  1 , Steven H Spoel  1
Affiliations
Review

Selective redox signaling shapes plant-pathogen interactions

Jade R Bleau et al. Plant Physiol. .

Abstract

A review of recent progress in understanding the mechanisms whereby plants utilize selective and reversible redox signaling to establish immunity.

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Figures

Figure 1
Figure 1
Localization and mechanisms of ROS/RNS production (signified by stars) and examples of known antioxidants and TRXs. ROS/RNS are produced in different subcellular locations, as are the antioxidant enzymes and oxidoreductases responsible for maintaining cellular redox homeostasis and reversal of oxidative protein modifications. Different cellular localization is indicative of selectivity and specificity in redox signaling. Created with BioRender.com. tAPX, thylakoid Asc PRX; cAPX, cytosolic Asc PRX; MDHA, monodehydroascorbate.
Figure 2
Figure 2
Selective redox signaling in the immune response. Upon pathogen perception, different forms of ROS/RNS are generated, resulting in oxidative modifications of the reactive free thiols of “redox sensitive” proteins. Modified proteins may be involved in specific ROS/RNS-mediated signaling pathways, or overlap with different pathways. These modifications can be reversed by specific TRXs, adding an additional layer of selective regulation to ROS/RNS-mediated signaling. TRXs may also display selective tendencies for targets involved in specific pathways or display more general reductive activities. Created with BioRender.com.
See this image and copyright information in PMC

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