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The Roles of Mitochondrial Reactive Oxygen Species in Cellular Signaling and Stress Response in Plants

Author:
  • Shaobai Huang
  • Olivier Van Aken
  • Markus Schwarzländer
  • Katharina Belt
  • A. Harvey Millar
Publishing year: 2016-07
Language: English
Pages: 9-1551
Publication/Series: Plant Physiology
Volume: 171
Issue: 3
Document type: Journal article
Publisher: American Society of Plant Biologists

Abstract english

Mitochondria produce ATP via respiratory oxidation of organic acids and transfer of electrons to O2 via the mitochondrial electron transport chain. This process produces reactive oxygen species (ROS) at various rates that can impact respiratory and cellular function, affecting a variety of signaling processes in the cell. Roles in redox signaling, retrograde signaling, plant hormone action, programmed cell death, and defense against pathogens have been attributed to ROS generated in plant mitochondria (mtROS). The shortcomings of the black box-idea of mtROS are discussed in the context of mechanistic considerations and the measurement of mtROS The overall aim of this update is to better define our current understanding of mtROS and appraise their potential influence on cellular function in plants. Furthermore, directions for future research are provided, along with suggestions to increase reliability of mtROS measurements.

Keywords

  • Biochemistry and Molecular Biology
  • Journal Article

Other

Published
  • ISSN: 1532-2548
Olivier van Aken
E-mail: olivier [dot] van_aken [at] biol [dot] lu [dot] se

Senior lecturer

Molecular Cell Biology

+46 46 222 94 13

B-A330

4

Research group

Plant Biology

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