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. 1978 May;20(2):406–411. doi: 10.1128/iai.20.2.406-411.1978

Ideal target organism for quantitative bactericidal assays.

A M Hooke, M P Oeschger, B J Zeligs, J A Bellanti
PMCID: PMC421870  PMID: 352943

Abstract

We have developed a target organism which permits quantitative bactericidal assays. The organism is an Escherichia coli mutant which cannot grow at the temperature of the assay (37 degrees C), but retains full colony-forming potential for subsequent quantitation at 25 degrees C. We show that quantitative data on the bactericidal capacity of polymorphonuclear leukocytes and alveolar macrophages can be obtained when this mutant is used as a target. The procedure used to generate the strain is described in detail and should be applicable to many bacterial species. Characterization of the properties of the mutant indicates that it has a strong potential for use in other in vivo and in vitro investigations of host responses to microbial invasion.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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