Gleason, Cynthia; Huang , Shaobai; Thatcher, Louise F; Foley, Rhonda C; Anderson, Carol R; Carroll, Adam; Millar, A. Harvey; Singh, Karam B
Mitochondria are both a source of ATP and a site of reactive oxygen species (ROS) production.However, there is little information on the sites of mitochondrial ROS (mROS) production or the biological role of such mROS in plants. We provide genetic proof that mitochondrial complex II (Complex II) of the electron transport chain contributes to localized mROS that regulates plant stress and defense responses. We identify an Arabidopsis mutant in the Complex II subunit, SDH1-1, through a screen for...[Show more]
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