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Article

Population dynamics of a Lac- strain of Escherichia coli during selection for lactose utilization.

Genetics - 1 Oct 1994

Foster P L

Abstract excerpt

During selection for lactose utilization, Lac+ revertants of FC40, a Lac- strain of Escherichia coli, appear at a high rate. Yet, no Lac+ revertants appear in the absence of lactose, or in its presence if the cells have another, unfulfilled requirement for growth. This study investigates more fully the population dynamics of FC40 when incubated in the absence of a carbon source or when undergoing selection for...

Topics

Alleles
Escherichia coli
Gene Deletion
Genes, Bacterial
Kinetics
Lactose
Selection, Genetic
Species Specificity
Time Factors
beta-Galactosidase

Source

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 7828809
DOI: 10.1093/genetics/138.2.253
PMCID: PMC1206144

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 29 Aug 2026. Prepared record publication-7828809-2026-08-29.1. Manifest publication-graph-cohort-2026-08-29.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 29 Aug 2026.

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