Cellular ATP synthesis

Cellular ATP synthesis is the fundamental process by which living cells convert energy from nutrients into adenosine triphosphate (ATP), the universal chemical energy carrier. This process primarily involves glycolysis, the Krebs (citric acid) cycle, and oxidative phosphorylation at the mitochondrial inner membrane, orchestrated by large protein complexes (e.g., ATP synthase, electron transport chain)[1][3][4]. ATP is continuously generated and hydrolyzed to support all energy-requiring cellular functions, including active transport, synthesis of nucleic acids and proteins, and mechanical work such as muscle contraction[1][5][6]. Disruption of ATP synthesis leads to energy failure, triggering cell injury and is involved in the pathogenesis of numerous diseases, especially those affecting mitochondria, heart, brain, and muscles[1].

Other names

Cellular energy productionATP generationMitochondrial ATP synthesisCellular respiration (sometimes, overlapping context)

Inhibition of ATP synthase or electron transport chain complexes; Disruption of mitochondrial membrane potential; Promotion of uncoupling (e.g., by uncoupling agents like dinitrophenol)