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Scientists discover a key role of protons and superoxide ions in the respiratory chain

A study led by the Institute for Bioengineering of Catalonia (IBEC) has revealed that protons and reactive oxygen species mediate long-distance charge transport in the mitochondrial respiratory chain — a fundamental process in cellular respiration in organisms. Understanding these mechanisms is crucial, given that mitochondria are the powerhouses of all cells and alterations to them are associated with numerous diseases.