Effect of Vitreoscilla hemoglobin dosage on microaerobic Escherichia coli carbon and energy metabolism
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A tight coupling exists between neuronal activity and energy metabolism. Over a century ago Roy and Sherrington postulated that “the brain possesses intrinsic mechanisms by which its vascular supply can be varied locally in correspondence with local variat ...
The pentose phosphate pathway and the pyruvate shunt were identified as major pathways of glucose catabolism in a recombinant, riboflavin-producing Bacillus subtilis strain. Reactions connecting the tricarboxylic acid cycle and glycolysis, catalyzed by the ...
The calorimetric response of the yeast Kluyveromyes fragilis was investigated for growth in continuous culture where N limitation was imposed on a C-limited culture. Calorimetric measurements were combined with off gas anal., measurements of biomass, subst ...
E. coli strain PPA305, which has a wild-type PTS system, and PPA316, which utilizes a proton-galactose symport system for glucose uptake, were used as host strains to harbor a phenylalanine overprodn. plasmid pSY130-14 and to study the effects of using dif ...
The estn. of the intracellular fluxes of mammalian cells using only the mass balances of the relevant metabolites is not possible because the set of linear equations defined by these mass balances is undetd. Either addnl. exptl. flux data or addnl. theor. ...
Continuous cultivation in a glucose-limited chemostat was used to det. the growth parameters of wild-type Bacillus subtilis and of a recombinant, riboflavin-producing strain. Maintenance coeffs. of 0.45 and 0.66 mmol of glucose g-1 h-1 were detd. for the w ...
Synchronized populations of Saccharomyces cerevisiae CBS 426 are characterized by autonomous oscillations of process variables. CO2 evolution rate, O2 uptake rate and heat prodn. rate varied by a factor of 2 for a continuous culture grown at a diln. rate o ...
As an essential nutrient and a potential toxin, iron poses an exquisite regulatory problem in biology and medicine. At the cellular level, the basic molecular framework for the regulation of iron uptake, storage, and utilization has been defined. Two cytop ...
Aerobic chemostat cultures of Saccharomyces cerevisiae were performed under carbon-, nitrogen-, and dual carbon- and nitrogen-limiting conditions. The glucose concn. was kept const., whereas the ammonium concn. was varied among different expts. and differe ...
Cytokines can be produced within the nervous system by various cell types, including astrocytes, which secrete them in response to pathological processes such as viral infections. Astrocytes are known to play an important role in the homeostasis of the ner ...
