Hydrogen peroxide and nitric oxide, small molecules facing a big challenge: survival

Authors

  • Luisa María Sandalio González Departamento de Estrés, Desarrollo y señalización de Plantas, Estación Experimental del zaidí, C/ Profesor Albareda 1, 18008 Granada
  • Maria Angeles Peláez Vico 2Division of Plant Sciences and Technology, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, University of Missouri, Columbia, MO, USA
  • María C. Romero Puertas Departamento de Estrés, Desarrollo y Señalización en Plantas. Estación Experimental del Zaidín-CSIC, Granada, Spain

DOI:

https://doi.org/10.24310/enbio.17.188.2025.18109

Keywords:

acclimatization, autophagy, reactive oxygen species, stress, gene expression, protein post-translational modifications, nitric oxide, hydrogen peroxide, signaling

Abstract

Plants are continually exposed to attacks such as sudden changes in temperature, drought or waterlogging, diseases caused by bacteria and fungi, among others, from which they cannot escape, because they cannot move, and therefore, they have had to develop efficient systems that allow them to identify what the damage is and decide what is the most appropriate response for each situation. Although this response can be very complex, we are only going to talk about some small molecules that participate both in the detection of damage and in the transmission, within the same cell and between different cells, of the information necessary to deal with that situation. These small molecules are hydrogen peroxide (H2O2), and nitric oxide (NO).

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Published

2025-02-18 — Updated on 2025-02-19

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How to Cite

Hydrogen peroxide and nitric oxide, small molecules facing a big challenge: survival. (2025). Encuentros En La Biología, 17(188). https://doi.org/10.24310/enbio.17.188.2025.18109 (Original work published 2025)