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Triggering low-oxygen responses in plants integrates the cellular energy and oxygen status via modulation of oleoyl-CoA levels. Oxygen limitation reduces cellular ATP levels, which results in increased C18:1-CoA levels. Dissociation of ERFVII protein (as shown here for RAP2.12) bound to ACBP1 at the plasma membrane is promoted by C18:1-CoA. Free ERFVII protein is stable under low-oxygen conditions and relocalizes into the nucleus to activate hypoxic responses.
