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РЖ ВИНИТИ 34 (BI12) 95.09-04Б2.297

Lappan, Raymond E.
Leuconostoc mesenteroides growth kinetics with application to bacterial profile modification [Text] / Raymond E. Lappan, H.Soctt Fogler // Biotechnol. and Bioeng. - 1994. - Vol. 43, N 9. - P865-873 . - ISSN 0006-3592
Перевод заглавия: Кинетика роста Leuconostoc mesenteroides и ее применение для модификации профиля бактерий
Аннотация: Bacterial profile modification (BPM) is being developed as an oil recovery technique that uses bacteria to selectively plug oil depleted zones within a reservoir to divert displacing fluids (typically water) into oil-rich zones. Leuconostoc mesenteroids, which produces dextran when supplied with sucrose, is a bacterium that is technically feasible for use in profile modification. However the technique requires controlled bacterial growth to produce selective plugging. A kinetic model for the production of cells and polysaccarides has been developed for L. mesenteroides bacteria. This model, based on data from batch growth experiments, predicts saccharide utilization, cell generation, and dextran production. The underlying mechanism is the extracellular breakdown of sucrose into glucose and fructose and the subsequent production of polysaccaride (dextran). The monosaccharides are then available for growth. Accompanying sucrose consumption is the utilization of yeast extract. The cell requires a complex media that is provided by yeast extract as a source of vitamins and amino acids. Varying the concentration ratio of yeast extract to sucrose in the growth media provides a means of controlling the amount of polymer produced a means of controlling the amount of polymer produced per cell. Consequentiy, in sity bacteria growth can be controlled by the manipulation of nutrient media composition, thereby providing the ability to create an overall strategy for the use of L. mesenteroides bacteria for prolife modification

ГРНТИ	34.27.19

ВИНИТИ 341.27.19.02
Рубрики: LEUCONOSTOC MESENTEROIDES
КИНЕТИКА РОСТА
МОДИФИКАЦИЯ ПРОФИЛЯ БАКТЕРИЙ

Доп.точки доступа:
Fogler, H.Soctt

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