PMID: 3321765Aug 1, 1987Paper

The chromosomal fur gene regulates the extracellular haemolytic activity encoded by certain hly plasmids

Zentralblatt Für Bakteriologie, Mikrobiologie, Und Hygiene. Series A, Medical Microbiology, Infectious Diseases, Virology, Parasitology
H M GrünigG Lebek

Abstract

The haemolytic activity encoded by thirteen hly-plasmids of different origin and sources was examined as a function of the Fe3+-concentration in E. coli fur+ and E. coli fur- strains, respectively. In E. coli fur+ the relatively low haemolytic activity of five hly-plasmids isolated in Berne and one isolated in Paris was increased significantly under iron-limiting growth conditions. Contrastingly, in E. coli fur- strains containing the same plasmids, a considerably higher amount of secreted haemolysin was detected. This activity could not be further increased by limiting the extracellular iron concentration. Seven other hly-plasmids expressed similar and non-inducible amounts of secreted haemolysin in both E. coli fur+ and E. coli fur- strains. These results indicate that the extracellular haemolytic activity encoded by certain hly-plasmids was controlled by the chromosomally encoded fur gene.

References

Feb 1, 1982·Journal of Medical Microbiology·M A Linggood, P L Ingram

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Citations

Nov 1, 1993·FEMS Microbiology Reviews·K G Wooldridge, P H Williams
Dec 6, 1994·Proceedings of the National Academy of Sciences of the United States of America·E Le CamE Delain
Jul 6, 2000·Symposium Series·H Chart
Jan 1, 1991·Critical Reviews in Microbiology·V Braun, T Focareta
Sep 14, 2016·Infection and Immunity·Sophie TronnetPatricia Martin

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