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竞争模型在变形链球菌和血链球菌二元连续培养生长中的应用。

Application of a competition model to the growth of Streptococcus mutans and Streptococcus sanguis in binary continuous culture.

作者信息

Kemp C W, Robrish S A, Curtis M A, Sharer S A, Bowen W H

出版信息

Appl Environ Microbiol. 1983 Apr;45(4):1277-82. doi: 10.1128/aem.45.4.1277-1282.1983.

Abstract

Streptococcus mutans 6715-15 and Streptococcus sanguis 10558 were grown together in continuous culture with glucose as the limiting carbon source. The relationship of growth rate to substrate concentration was determined for pure cultures of each organism in continuous and batch cultures. A model based on competition for a growth-limiting substrate (glucose) was used to predict the proportions of each organism when grown in binary cultures. The results indicate that interactions other than competition for glucose carbon exist between S. mutans and S. sanguis grown under these conditions.

摘要

变形链球菌6715 - 15和血链球菌10558在以葡萄糖作为限制性碳源的连续培养中共同生长。测定了每种微生物在连续培养和分批培养中的纯培养物的生长速率与底物浓度的关系。基于对生长限制性底物(葡萄糖)竞争的模型被用于预测二元培养中每种微生物的比例。结果表明,在这些条件下生长的变形链球菌和血链球菌之间存在除对葡萄糖碳源竞争之外的相互作用。

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