PMID:3046486
| Citation |
Clark, DP, Cunningham, PR, Reams, SG, Mat-Jan, F, Mohammedkhani, R and Williams, CR (1988) Mutants of Escherichia coli defective in acid fermentation. Appl. Biochem. Biotechnol. 17:163-73 |
|---|---|
| Abstract |
Wild type E. coli ferments glucose to a mixture of ethanol and acetic, lactic, formic, and succinic acids. Mutants defective in acid production have now been isolated, including those defective in lactate dehydrogenase (LDH) or with excess alcohol dehydrogenase. These mutations had no phenotype without a pfl mutation. Novel mutants affecting acetate metabolism were isolated by insertion of the fusion vector Mudl. These aceG mutants cannot grow anaerobically on glucose or aerobically on acetate yet lack the pleiotropic growth defects of previously known pta/ack mutants. In some genetic backgrounds acetate negative mutations suppress the growth defects of adh mutations. These results are discussed in terms of redox balance. |
| Links | |
| Keywords |
Acetates/metabolism; Alcohol Dehydrogenase/deficiency; Anaerobiosis; Escherichia coli/enzymology; Escherichia coli/genetics; Escherichia coli/metabolism; Fermentation; Genetic Engineering; L-Lactate Dehydrogenase/deficiency; Lactates/metabolism; Mutation; Oxidation-Reduction |
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