FRUCTOSE PHOSPHORYLATION BY ZYMOMONAS-MOBILIS GLUCOKINASE

被引：2

作者：

EDYE, LA ^{[1
]}

KOSITANONT, C ^{[1
]}

DOELLE, HW ^{[1
]}

机构：

[1] UNIV QUEENSLAND,DEPT MICROBIOL,ST LUCIA,QLD 4067,AUSTRALIA

来源：

ACTA BIOTECHNOLOGICA | 1990年 / 10卷 / 01期

关键词：

D O I：

10.1002/abio.370100114

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Zymomonas mobilis ATCC 53431, a fructokinase negative mutant is unable to utilize fructose as a sole carbon source for growth. At high fructose concentrations, however, fructose was converted to ethanol. The fructose uptake displayed MICHAELIS‐MENTEN kinetics with an apparent Km of 185 mM fructose. Purified glucokinase from ATCC 53431 and the wild strain ATCC 29191 both exhibited fructose phosphorylating activity at high fructose concentrations with an apparent Km value of 222 mM fructose. Glucokinase substrate specificity was found not be absolute, as previously reported. Copyright © 1990 Akademie‐Verlag

引用

页码：49 / 53

页数：5

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