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Published on: June 29, 2017
[GLUCOSE METABOLISM IN SURFACTANTS PRODUCER NOCARDIA VACCINII IMV B-7405]
Abstract:
Key enzymes of glucose metabolism were detected in the cells of surfactants producer Nocardia vaccinii IMV B-7405 grown on this substrate. It has been established that glucose catabolism is performed through gluconate (FAD(+)-dependent glucose dehydrogenase activity 698 ± 35 nmol x min(-1) x mg(-1) of protein). Oxidation of gluconate to 6-phosphogluconate is catalised by gluconokinase (178 ± 9 nmol x min(-1) x mg(-1) of protein). 6-Phosphogluconate was involved into pentose phosphate cycle by constitutive NADP(+)-dependent 6-phosphogluconate dehydrogenase (activity 357 ± 17 nmol x min(-1) x mg(-1) of protein). The data obtained serve as the basis for theoretical calculations of optimal molar ratio of concentrations of energetically nonequivalent substrates for intensifying the surfactants synthesis on their mixture.
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