Plant NADPH Oxidases

Gad Miller, Ron Mittler

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


Reactive oxygen species (ROS) are signaling molecules that play important roles in many processes in plants, including development, immunity, and acclimation to different environmental stimuli. The intensity, duration and localization of ROS signals are determined by a delicate equilibrium between ROS production, scavenging, and transport mechanism within the ROS network. Within this network of genes, plant NADPH oxidases (NOXs), or respiratory burst oxidase homologues (RBOHs), comprise a small, but highly important, conserved gene family that generates ROS. RBOH-generated ROS drive signaling cascades regulating key cellular processes, tissue specific programs, and systemic responses via cell-to-cell communication. In addition, RBOH proteins serve as regulatory hubs for calcium signaling and other secondary messengers, such as NO. In this chapter we summarize the current understanding of the activity, regulation and different roles of RBOH proteins in plants.

Original languageEnglish
Title of host publicationNADPH Oxidases Revisited
Subtitle of host publicationFrom Function to Structure
Number of pages21
ISBN (Electronic)9783031237522
StatePublished - 1 Jan 2023


  • Development
  • NADPH oxidase
  • Oxidative burst
  • Plant
  • RBOH
  • ROS
  • Signal transduction
  • Stress
  • Systemic signaling

All Science Journal Classification (ASJC) codes

  • General Biochemistry,Genetics and Molecular Biology
  • General Agricultural and Biological Sciences
  • General Medicine


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