1887

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Volume 35, Issue 1

Rifampicin-resistant Mutant supporting Bacteriophage Growth on Stationary Phase Cells Free

Abstract

SUMMARY

A rifampicin-resistant mutant with an altered RNA polymerase was isolated. The mutant supports phage α3a growth in both log and stationary phase cells. Phage growth on stationary phase cells is sensitive to aeration and growth only occurs at oxygen concentrations of less than 5.2 p.p.m. The rifampicin-resistant mutant is similar to the spontaneous mutant strain 14 reported by Woods (1976) in that both mutants support stationary-phase phage growth under micro-aerophilic conditions. The isolation of the rifampicin-resistant mutant with an altered RNA polymerase suggests that the phenomenon of stationary phase phage growth could be due to a change in the template specificity of the RNA polymerase. Plaque morphology mutants which grow on log and/or stationary phase cells of the wild type, strain 14 and rifampicin-resistant strains are also described.

  • Received:
  • Accepted:
  • Published Online:
© Journal of General Virology 1977
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1977-04-01
2024-04-18
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Rifampicin-resistant Mutant supporting Bacteriophage Growth on Stationary Phase Achromobacter Cells
J. Gen. Virol. 35, 117 (1977); https://doi.org/10.1099/0022-1317-35-1-117
/content/journal/jgv/10.1099/0022-1317-35-1-117
/content/journal/jgv/10.1099/0022-1317-35-1-117
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