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Oxidative post-translational modifications controlling plant-pathogen interaction.

D Camejo1, A Guzmán-Cedeño2, L Vera-Macias3

  • 1Department of Stress Biology and Plant Pathology, Centro de Edafología y Biología Aplicada del Segura, CEBAS-CSIC, Spain; Department of Research and Agronomy Faculty, Escuela Superior Politécnica Agropecuaria de Manabí, ESPAM-MES, Ecuador.

Plant Physiology and Biochemistry : PPB
|September 29, 2019
PubMed
Summary
This summary is machine-generated.

Plants use reactive oxygen species (ROS) to defend against pathogens. This review explores how ROS regulate plant immune proteins via post-translational modifications.

Keywords:
Biotic stressOxidationPlant-pathogen interactionProteinsROS

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Area of Science:

  • Plant biology
  • Molecular biology
  • Biochemistry

Background:

  • Pathogen recognition involves detecting microbe-associated molecular patterns.
  • This triggers a localized accumulation of reactive oxygen species (ROS), known as the oxidative burst.
  • ROS are generated by enzymes like NAD(P)H oxidases, peroxidases, and lipoxygenases.

Purpose of the Study:

  • To review the role of ROS in plant defense against pathogens.
  • To elucidate how ROS regulate protein function through post-translational modifications.

Main Methods:

  • Literature review of plant-pathogen interactions.
  • Analysis of ROS-mediated signaling pathways.
  • Focus on post-translational modifications of plant immune proteins.

Main Results:

  • ROS act as both cytotoxic agents and signaling molecules in plant immunity.
  • ROS-induced post-translational modifications alter protein structure, function, localization, and stability.
  • These modifications are crucial for regulating plant defense gene expression.

Conclusions:

  • Reactive oxygen species are essential regulators of plant immune responses.
  • Post-translational modifications induced by ROS are a key mechanism for controlling plant-pathogen interactions.
  • Understanding ROS signaling is vital for developing strategies to enhance plant disease resistance.