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首页> 外文期刊>Applied Microbiology and Biotechnology >Simultaneous consumption of glucose and fructose from sugar mixtures during botch growth of Corynebacterium glutamicum
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Simultaneous consumption of glucose and fructose from sugar mixtures during botch growth of Corynebacterium glutamicum

机译：谷氨酸棒杆菌无菌生长期间同时从糖混合物中消耗葡萄糖和果糖

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摘要

Growth of Corynebacterium glutamicum on mixtures of glucose and fructose leads to simultaneous consumption of both sugars in which the uptake of each sugar is directly related to the expression of the corresponding sugar uptake mechanism. The overall rate of sugar uptake was higher on sugar mixtures than on either glucose or fructose alone and was similar to that observed during sucrose metabolism. The results suggest that sugar uptake limits metabolic rates though, in the case of fructose, overflow metabolism of both lactate and dihydroxyacetone was observed. Such products could reflect a higher flux through glycolysis rather than the pentose pathway during catabolism of fructose.
机译：谷氨酸棒杆菌在葡萄糖和果糖的混合物上的生长导致同时消耗两种糖，其中每种糖的摄取与相应的糖摄取机制的表达直接相关。糖混合物中的总糖吸收速率高于单独的葡萄糖或果糖，并且与蔗糖代谢过程中观察到的相似。结果表明，糖的摄取限制了代谢速率，但在果糖的情况下，观察到了乳酸和二羟基丙酮的过量代谢。在果糖分解代谢期间，此类产物可能反映出通过糖酵解而不是戊糖途径的通量更高。

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