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. 1986 Dec;168(3):1491–1494. doi: 10.1128/jb.168.3.1491-1494.1986

Control of metF gene expression in maxicell preparations of Escherichia coli K-12: reversible action of the metJ protein and effect of vitamin B12.

M R Emmett, J R Johnson
PMCID: PMC213670  PMID: 3536888

Abstract

Expression of methionine regulon elements was controlled by the metJ protein gpMetJ. A maxicell system with cloned copies of the metF transcription unit allowed reversible action of gpMetJ. Expression of the metF transcription unit in maxicells was reduced by exogenous vitamin B12 at concentrations of 0.5 nM or greater.

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Selected References

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