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Template:SUIT-026 AmR mt D064

From Bioblast
MitoPedia: SUIT

Steps and respiratory states

SUIT-026 AmR mt D064.png


Step State Pathway Q-junction Comment - Events (E) and Marks (M)
0DTPA
  • DTPA is an iron chelator, which decreases the chemical fluorescence background created by the Amplex UltraRed assay. Administration of DTPA into the O2k-chamber is recommended before all other chemicals because the iron chelation capacity of the compound is time-dependent (approx. 10-15 min). However, the experiments can be carried out in the absence of DTPA.
0SOD
  • SOD or superoxide dismutase converts the anion superoxide released by the mitochondria into H2O2, making it accessible to the Amplex UltraRed assay.
0HRP
  • HRP or horseradish peroxidase catalyses the conversion of Amplex UltraRed and H2O2 towards the fluorescent resorufin.
0AmR
Step State Pathway Q-junction Comment - Events (E) and Marks (M)
1S SL(n) S CII 1S
2Rot SL(n) S CII 1S;2Rot
3D SP S CII 1S;2Rot;3D
4Ama ROX 1S;2Rot;3D;4Ama
  • Rox is the residual oxygen consumption in the ROX state, due to oxidative side reactions, estimated after addition of antimycin A (inhibitor of CIII). Rox is subtracted from oxygen flux as a baseline for all respiratory states, to obtain mitochondrial respiration (mt).


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