Article
Metabolic evolution of energy-conserving pathways for succinate production in Escherichia coli.
Proceedings of the National Academy of Sciences of the United States of America - 1 Dec 2009
Zhang Xueli, Jantama Kaemwich, Moore Jonathan C, Jarboe Laura R, Shanmugam Keelnatham T, Ingram Lonnie O
Abstract excerpt
During metabolic evolution to improve succinate production in Escherichia coli strains, significant changes in cellular metabolism were acquired that increased energy efficiency in two respects. The energy-conserving phosphoenolpyruvate (PEP) carboxykinase (pck), which normally functions in the reverse direction (gluconeogenesis; glucose repressed) during the oxidative metabolism of organic acids, evolved to...
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