Colicins produced by the Escherichia fergusonii strains closely resemble colicins encoded by Escherichia coli

David Šmajs

Department of Microbiology and Molecular Genetics, University of Texas-Houston Medical School, Houston, TX, USA

Center for the Study of Emerging and Re-emerging Pathogens, University of Texas-Houston Medical School, Houston, TX, USA

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Sandor E. Karpathy,

Sandor E. Karpathy

Department of Microbiology and Molecular Genetics, University of Texas-Houston Medical School, Houston, TX, USA

Center for the Study of Emerging and Re-emerging Pathogens, University of Texas-Houston Medical School, Houston, TX, USA

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Jan Šmarda,

Corresponding Author

Jan Šmarda

Department of Biology, Faculty of Medicine, Masaryk University, Joštova 10, CZ 662 43 Brno, Czech Republic

*Corresponding author. Tel.: +420 (5) 42126-259; Fax: +420 (5) 42126-200, E-mail: [email protected]Search for more papers by this author

George M Weinstock,

George M Weinstock

Department of Microbiology and Molecular Genetics, University of Texas-Houston Medical School, Houston, TX, USA

Center for the Study of Emerging and Re-emerging Pathogens, University of Texas-Houston Medical School, Houston, TX, USA

Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA

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David Šmajs,

David Šmajs

Department of Microbiology and Molecular Genetics, University of Texas-Houston Medical School, Houston, TX, USA

Center for the Study of Emerging and Re-emerging Pathogens, University of Texas-Houston Medical School, Houston, TX, USA

Search for more papers by this author

Sandor E. Karpathy,

Sandor E. Karpathy

Department of Microbiology and Molecular Genetics, University of Texas-Houston Medical School, Houston, TX, USA

Center for the Study of Emerging and Re-emerging Pathogens, University of Texas-Houston Medical School, Houston, TX, USA

Search for more papers by this author

Jan Šmarda,

Corresponding Author

Jan Šmarda

Department of Biology, Faculty of Medicine, Masaryk University, Joštova 10, CZ 662 43 Brno, Czech Republic

*Corresponding author. Tel.: +420 (5) 42126-259; Fax: +420 (5) 42126-200, E-mail: [email protected]Search for more papers by this author

George M Weinstock,

George M Weinstock

Department of Microbiology and Molecular Genetics, University of Texas-Houston Medical School, Houston, TX, USA

Center for the Study of Emerging and Re-emerging Pathogens, University of Texas-Houston Medical School, Houston, TX, USA

Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA

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First published: 09 January 2006

https://doi.org/10.1111/j.1574-6968.2002.tb11091.x

Citations: 3

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Abstract

Plasmid DNA of six Escherichia fergusonii colicinogenic strains (three producers of colicin E1, two of Ib and one of Ia) was isolated and the colicin-encoding regions of the corresponding Col plasmids were sequenced. Two new variants of colicin E1, one of colicin Ib, and one of colicin Ia were identified as well as new variants of the colicin E1 and colicin Ib immunity proteins and the colicin E1 lysis polypeptide. The recombinant Escherichia coli producer harboring pColE1 from E. fergusonii strain EF36 (pColE1-EF36) was found to be only partially immune to E1 colicins produced by two other E. fergusonii strains suggesting that pColE1-EF36 may represent an ancestor ColE1 plasmid.

References

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Volume208, Issue2

March 2002

Pages 259-262

Colicins produced by the Escherichia fergusonii strains closely resemble colicins encoded by Escherichia coli

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Colicins produced by the Escherichia fergusonii strains closely resemble colicins encoded by Escherichia coli

Abstract

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