T. P. Stupakova

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Production of keto acids by washed cells of the barotolerant strains was studied under atmospheric pressure on a glucose-mineral medium in balloons made of the copolymer of ethylene with propylene. Production of keto acids in these conditions requires elevated concentrations of glucose and minimum concentrations of ammonium nitrogen. Active aeration(More)
The peculiarities of the growth and extracellular accumulation of free keto and amino cids by a barotolerant culture (strain 0798) in culturing on Ran's glucose-mineral medium conditions of 1, 200, 300, and 500 atm were investigated. At a high pressure the culture possesses the ability for extracellular accumulation of free keto and amino acids, pyruvic,(More)
The fatty acid compositions of the free lipids of three strains and the monosaccharide compositions of the lipopolysaccharides of four strains of new species of microorganisms of the genusFlavobacterium have been studied. The acidic nature of the polysaccharides of the LPSs of the microorganisms studied has been shown.
The effect of elevated hydrostatic pressure on catabolic enzymes was studied with four strains of barotolerant bacteria isolated from ooze at high depth of the Pacific Ocean. Pseudomonas aeruginosa 0798 and Ps. sociovivum 0913, tolerant to a pressure of 500 atm, have more active catabolic enzymes than Ps. nonliquefaciens 0613 and Ps. acuta 039, which do not(More)
The effect of elevated hydrostatic pressure on biosynthesis of keto acids by barotolerant bacteria growing on glucose-mineral media is discussed in this paper. Strains which are more tolerant to the action of pressure can liberate exocellular keto acids. Keto acids are synthesized at a low content of glucose and a relatively high concentration of nitrogen(More)
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