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the synthesis of ATP (or other NTP) not involving electron transport coupled with oxidative phosphorylation or with photophosphorylation.
Farlex Partner Medical Dictionary © Farlex 2012
substrate-level phosphorylationthe direct transfer of a phosphate group of ADP, thus forming ATP, without the presence of oxygen. The phosphorylation is thus independent of the ELECTRON TRANSPORT SYSTEM used in oxidative phosphorylationSee ANAEROBIC RESPIRATION, GLYCOLYSIS.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005