Cell energy metabolism: An update
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS(2020)
摘要
In living cells, growth is the result of coupling between substrate catabolism and multiple metabolic processes that take place during net biomass formation and maintenance processes. During growth, both ATP/ADP and NADH/NAD(+) molecules play a key role. Cell energy metabolism hence refers to metabolic pathways involved in ATP synthesis linked to NADH turnover. Two main pathways are thus involved in cell energy metabolism: glycolysis/fermentation and oxidative phosphorylation. Glycolysis and mitochondrial oxidative phosphorylation are intertwined through thermodynamic and kinetic constraints that are reviewed herein. Further, our current knowledge of short-term and long term regulation of cell energy metabolism will be reviewed using examples such as the Crabtree and the Warburg effect.
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关键词
Mitochondria,Cell energetic metabolism,Thermodynamics,Kinetics,Crabtree effect,Warburg effect,Metabolism modeling
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