Methionine aminopeptidase gene of Escherichia coli is essential for cell growth
- 1 July 1989
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 171 (7) , 4071-4072
- https://doi.org/10.1128/jb.171.7.4071-4072.1989
Abstract
We localized the methionine aminopeptidase (map) gene on the Escherichia coli chromosome next to the rpsB gene at min 4. Genetically modified strains with the chromosomal map gene under lac promoter control grew only in the presence of the lac operon inducer isopropyl-beta-thiogalactoside. Thus, methionine aminopeptidase is essential for cell growth.Keywords
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