(A) Level of oxidized mitochondrial protein in mitochondria purified from FIS1 RNAi (n=3), DRP1‐DN (n=4) and their respective control cells. The blot detects carbonyl groups on amino‐acid side chains (Oxiblot analysis, see Materials and methods). Loading control CIII, mitochondrial ComplexIII Core I (*P0.03, **P0.04). 