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ROS-hormone interaction in regulating integrative défense signaling of plant cell

DURGA KORA1, ANANYA DEY1, BABITA PAL1, UTHPAL KRISHNA ROY1,2, NIVEDITA DEY1, TREESHA BHATACHARJEE1, SOUMEN BHATTACHARJEE1,*

1 Plant Physiology and Biochemistry Research Laboratory, Department of Botany, University of Burdwan, Burdwan, 713104, India
2 Department of Botany, University of Rajsahi, Rajsahi, 6205, Bangladesh

* Corresponding Author: SOUMEN BHATTACHARJEE. Email: email

(This article belongs to this Special Issue: Physiology and Molecular Biology of Plant Stress Tolerance)

BIOCELL 2023, 47(3), 503-521. https://doi.org/10.32604/biocell.2023.025744

Abstract

The elaborate redox network of the cell, comprising of events like turnover of reactive oxygen species (ROS), redox sensing, signaling, expression of redox-sensitive genes, etc., often orchestrates with other bonafide hormonal signaling pathways through their synergistic or antagonistic action in the plant cell. The redox cue generated in plant cells under fluctuating environmental conditions can significantly influence other hormonal biosynthetic or signaling mechanisms, thereby modulating physiology towards stress acclimation and defense. There is also strong evidence of the recruitment of ROS as a ‘second messenger’ in different hormonal signaling pathways under stress. Moreover, the retrograde signaling initiated by ROS also found to strongly influence hormonal homeostasis and signaling. The present review, in this aspect, is an effort towards understanding the regulatory roles of ROS in integrating and orchestrating other hormonal signaling pathways or vice versa so as to unfold the relationship between these two signaling episodes of plant cells under environmental odds. We also accentuate the significance of understanding the utterly complex interactions, which occur both at metabolic and genetic levels between ROS and phytohormones during stress combinations. Furthermore, the significant and decisive role of ROS turnover, particularly the contribution of RBOH (respiratory burst oxidase homologs) in the synergism of redox and hormone signaling during systemic acquired acclimation under stress is also discussed.

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KORA, D., DEY, A., PAL, B., ROY, U. K., DEY, N. et al. (2023). ROS-hormone interaction in regulating integrative défense signaling of plant cell. BIOCELL, 47(3), 503–521.



cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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