From odor to order: unveiling the crucial role of hydrogen sulfide in plant life

Abstract

Hydrogen sulfide (H₂S) has garnered significant attention as a novel gaseous signaling molecule. While its physiological roles in animals are well documented, research over the past two decades has increasingly uncovered its vital functions in plants, establishing it as a crucial component in plant signaling processes. In plants, endogenous H₂S is produced across various subcellular compartments and plays indispensable roles in stress responses, growth, and development. Research has progressed from model plants to horticultural crops, underscoring the prospective agricultural benefits of H₂S. Nevertheless, several challenges persist, including unclear signaling targets and limited real-world applications. This comprehensive review explores the discovery, biosynthesis, physiological roles, mechanisms, and molecular targets of H₂S in plants, offering valuable insights in future research.

Acknowledgements

This work was financially supported by National Natural Science Foundation of China (No. 32172550 and No. 32372727). I would like to thank the Horticulture Research for its attention to our research field. I would also like to thank the editorial team for their careful proofreading of the final manuscript. My gratitude also goes to Prof. Y. Pei from Shanxi University for his kind assistance and support in writing the manuscript. Special thanks go to Group 208 (School of Life Science, Shanxi University) especially to J. Zhang, W. Zhang, S. Bo, JL. Zhang, X. Ye, G. Wang, X. Han, and L. Zhan for their reviewing the literature and correcting the manuscript. Figure support was provided by Figdraw. Finally, I would like to thank Enago (www.enago.cn) and International Science Editing (http://www.internationalscienceediting.com) for editing this manuscript.

Data availability statement

All relevant data can be found in the manuscript and supplementary materials.

Conflicts of interest statement

The author declares no conflict of interest.

Supplementary material

Supplementary material is available at Horticulture Research online.

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