Journal
PLANT PHYSIOLOGY AND BIOCHEMISTRY
Volume 144, Issue -, Pages 110-117Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.plaphy.2019.09.020
Keywords
ROS; Proteins; Plant-pathogen interaction; Biotic stress; Oxidation
Categories
Funding
- SENESCYT-Ecuador [CUP.373758]
- Seneca Foundation Excellence Project [19876/GERM/15]
- MICINN/FEDER-Spain [BFU2017-86585-P]
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Pathogen recognition is linked to the perception of microbe/pathogen-associated molecular patterns triggering a specific and transient accumulation of reactive oxygen species (ROS) at the pathogen attack site. The apoplastic oxidative burst generated at the pathogen attack site depends on the ROS-generator systems including enzymes such as plasma membrane NADP (H) oxidases, cell wall peroxidases and lipoxygenase. ROS are cytotoxic molecules that inhibit invading pathogens or signalling molecules that control the local and systemic induction of defence genes. Post-translational modifications induced by ROS are considered as a potential signalling mechanism that can modify protein structure and/or function, localisation and cellular stability. Thus, this review focuses on how ROS are essential molecules regulating the function of proteins involved in the plant response to a pathogen attack through post-translational modifications.
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