DIKETO-GLUCONATE FERMENTATION BY GLUCONOBACTER-OXYDANS

被引：33

作者：

QAZI, GN ^{[1
]}

PARSHAD, R ^{[1
]}

VERMA, V ^{[1
]}

CHOPRA, CL ^{[1
]}

BUSE, R ^{[1
]}

TRAGER, M ^{[1
]}

ONKEN, U ^{[1
]}

机构：

[1] UNIV DORTMUND,LEHRSTUHL TECH CHEM B,W-4600 DORTMUND 50,GERMANY

来源：

ENZYME AND MICROBIAL TECHNOLOGY | 1991年 / 13卷 / 06期

关键词：

2-KETOGLUCONATE; 2,5-DIKETOGLUCONATE; GLUCONATE DEHYDROGENASE; AIRLIFT REACTOR; GLUCONOBACTER-OXYDANS;

D O I：

10.1016/0141-0229(91)90010-8

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：

Production of 2,5-diketogluconate by Gluconobacter oxydans (ATCC9937) in two types of reactors, namely, airlift and stirred fermentors, is described. Accumulation of diketo-acid is shown to be dependent on the pH of the medium. Oxidation of gluconate to 2,5-diketogluconate in Gluconobacter oxydans is described as a specific reaction carried out through an intermediate of 2-ketogluconate rather than 5-ketogluconate. The enzyme profile of the culture depicting two distinct phases, i.e. direct glucose oxidation and gluconate oxidation, is described.

引用

页码：504 / 507

页数：4

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