title: The Roles of Mitochondrial Reactive Oxygen Species in Cellular Signaling and Stress Response in Plants.
abstract: 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.
authors.affiliation: ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009, Australia (S.H., O.V.A., K.B., A.H.M.); andPlant Energy Biology Lab, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Friedrich-Ebert-Allee 144, 53113 Bonn, Germany (M.S.).
authors.forename: Shaobai
authors.identifier: 0000-0003-3667-611X
authors.initials: S
authors.lastname: Huang
authors.affiliation: ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009, Australia (S.H., O.V.A., K.B., A.H.M.); andPlant Energy Biology Lab, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Friedrich-Ebert-Allee 144, 53113 Bonn, Germany (M.S.).
authors.forename: Olivier
authors.identifier: 0000-0003-4024-968X
authors.initials: O
authors.lastname: Van Aken
authors.affiliation: ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009, Australia (S.H., O.V.A., K.B., A.H.M.); andPlant Energy Biology Lab, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Friedrich-Ebert-Allee 144, 53113 Bonn, Germany (M.S.).
authors.forename: Markus
authors.identifier: 0000-0003-0796-8308
authors.initials: M
authors.lastname: Schwarzländer
authors.affiliation: ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009, Australia (S.H., O.V.A., K.B., A.H.M.); andPlant Energy Biology Lab, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Friedrich-Ebert-Allee 144, 53113 Bonn, Germany (M.S.).
authors.forename: Katharina
authors.identifier: 0000-0002-3142-5656
authors.initials: K
authors.lastname: Belt
authors.affiliation: ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009, Australia (S.H., O.V.A., K.B., A.H.M.); andPlant Energy Biology Lab, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Friedrich-Ebert-Allee 144, 53113 Bonn, Germany (M.S.) harvey.millar@uwa.edu.au.
authors.forename: A Harvey
authors.initials: AH
authors.lastname: Millar
mesh_terms: D016923:Cell Death; D054884:Host-Pathogen Interactions; D008928:Mitochondria / Q000378:metabolism*; D059828:Plant Cells / Q000378:metabolism; D010937:Plant Growth Regulators / Q000378:metabolism; D018521:Plant Physiological Phenomena; D010944:Plants / Q000378:metabolism / Q000382:microbiology; D017382:Reactive Oxygen Species / Q000378:metabolism*; D015398:Signal Transduction; D013312:Stress, Physiological; D013438:Sulfhydryl Compounds / Q000378:metabolism
chemical_list: D010937:Plant Growth Regulators; D017382:Reactive Oxygen Species; D013438:Sulfhydryl Compounds