REGULATION OF SUGAR-TRANSPORT VIA THE MULTIPLE SUGAR METABOLISM OPERON OF STREPTOCOCCUS-MUTANS BY THE PHOSPHOENOLPYRUVATE PHOSPHOTRANSFERASE SYSTEM

被引：11

作者：

CVITKOVITCH, DG ^{[1
]}

BOYD, DA ^{[1
]}

HAMILTON, IR ^{[1
]}

机构：

[1] UNIV MANITOBA,FAC DENT,DEPT ORAL BIOL,WINNIPEG,MB R3E 0W2,CANADA

来源：

JOURNAL OF BACTERIOLOGY | 1995年 / 177卷 / 19期

关键词：

D O I：

10.1128/jb.177.19.5704-5706.1995

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

In this report, we provide evidence that the transport of sugars in Streptococcus mutans via the multiple sugar metabolism system is regulated by the phosphoenolpyruvate phosphotransferase system. A ptsI-defective mutant (DC10), when grown on the multiple sugar metabolism system substrate raffinose, exhibited reduced growth, transport, and glycolytic activity with raffinose relative to the parent strain BM71. Inhibition of [H-3] raffinose uptake was also observed in both BM71 and DC10 with increasing concentrations of glucose and the glucose analogs or-methyl glucoside and 2-deoxyglucose.

引用

页码：5704 / 5706

页数：3

共 17 条

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