| Literature DB >> 2170325 |
J Chen1, A Brevet, M Fromant, F Lévêque, J M Schmitter, S Blanquet, P Plateau.
Abstract
The ppa gene for inorganic pyrophosphatase is essential for the growth of Escherichia coli. A recombinant with a chromosomal ppa::Kanr lesion and a temperature-sensitive replicon with a ppa+ gene showed a temperature-sensitive growth phenotype, and a mutant with the sole ppa+ gene under control of the lac promoter showed inducer-dependent growth. When the lacp-ppa mutant was subcultured without inducer, the pyrophosphatase level decreased, the PPi level increased, and growth stopped. Cellular PPi reached 16 mM about 6 h after growth arrest without loss of cell viability.Entities:
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Year: 1990 PMID: 2170325 PMCID: PMC526883 DOI: 10.1128/jb.172.10.5686-5689.1990
Source DB: PubMed Journal: J Bacteriol ISSN: 0021-9193 Impact factor: 3.490