A new study has revealed how respiratory supercomplexes, consisting of four associated respiratory complexes, shape the mitochondrial membrane in the single-cell eukaryote, Tetrahymena thermophila. The research showed these supercomplexes have both an enzymatic and structural function, optimizing AT
has shed light on the structure and function of respiratory supercomplexes in cellular respiration, particularly in a single-cell eukaryote,. The study combined various techniques to demonstrate that all four respiratory complexes in this organism associate together to form a massive supercomplex consisting of 150 proteins and 311 lipids, which significantly influences the shape of the mitochondrial membrane. Credit: luminous-lab.
Eukaryotes generate the energy for survival through cellular respiration in mitochondria by a process known as the oxidative phosphorylation. In this process, nutrients and oxygen are converted into a chemical form of energy – the ATP. This is achieved with a proton gradient built up by the electron transport chain inside mitochondria. The gradient is driven by a series of four respiratory complexes in the inner mitochondrial membrane.
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