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Infection and Immunity, December 2004, p. 7338-7341, Vol. 72, No. 12
0019-9567/04/$08.00+0     DOI: 10.1128/IAI.72.12.7338-7341.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.

Pigeon-Associated Strains of Salmonella enterica Serovar Typhimurium Phage Type DT2 Have Genomic Rearrangements at rRNA Operons

R. Allen Helm,1* Steffen Porwollik,2 April E. Stanley,3 Stanley Maloy,4 Michael McClelland,2 Wolfgang Rabsch,5 and Abraham Eisenstark1,6

Cancer Research Center,1 Division of Biological Sciences and Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, Missouri,6 Sidney Kimmel Cancer Center,2 Center for Microbial Sciences, San Diego State University, San Diego, California,4 Microbiology Department, University of Illinois, Urbana, Illinois,3 Robert Koch Institut, Wernigerode Branch, National Reference Center for Salmonellae and Other Enteric Pathogens, Wernigerode, Germany5

Received 22 April 2004/ Returned for modification 1 July 2004/ Accepted 24 August 2004

Strains from a subgroup of Salmonella enterica serovar Typhimurium frequently associated with pigeon infections were tested for genomic anomalies and virulence in mice. Some strains have a genomic inversion between rrn operons. Two prophages found in the common laboratory strain LT2 were absent. Pigeon-associated strains are still virulent in mice.

* Corresponding author. Present address: Department of Microbiology-Immunology, Northwestern University School of Medicine, 303 E. Chicago Ave., Chicago, IL 60611. Phone: (312) 503-9786. Fax: (312) 503-1339. E-mail: rhelm{at}northwestern.edu.

Editor: F. C. Fang

Infection and Immunity, December 2004, p. 7338-7341, Vol. 72, No. 12
0019-9567/04/$08.00+0     DOI: 10.1128/IAI.72.12.7338-7341.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

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