[钾离子参与大肠杆菌的无氧糖酵解]
[Involvement of K+ in anerobic glycolysis of E. coli].
作者信息
Puchkov E O, Kosarev N V, Petukhova N M
出版信息
Biokhimiia. 1982 Sep;47(9):1522-5.
PMID:6182927
Abstract
Accumulation of K+ which is lost during repeated washings stimulates anaerobic glycolysis in E. coli. The gramycidin D-induced outflow of K+ from the bacteria inhibits the glycolysis. An addition of KCl to the cells treated with gramycidin D increases the rate of glycolysis. The concentration dependence of the effectiveness of glycolysis of gramycidin D-treated E. coli cells on KCl concentration has a maximum 100 mM. A direct involvement of K+ in the regulation of anaerobic glycolysis of E. coli is proposed.
摘要
在反复洗涤过程中流失的钾离子（K⁺）的积累会刺激大肠杆菌中的无氧糖酵解。短杆菌肽D诱导细菌内钾离子外流会抑制糖酵解。向用短杆菌肽D处理过的细胞中添加氯化钾（KCl）会提高糖酵解速率。短杆菌肽D处理过的大肠杆菌细胞糖酵解效果对氯化钾浓度的浓度依赖性在100 mM时达到最大值。有人提出钾离子直接参与大肠杆菌无氧糖酵解的调节。
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