Correlation of conversion of Salmonella enterica serovar enteritidis phage type 1, 4, or 6 to phage type 7 with loss of lipopolysaccharide

Author:

Baggesen D L1,Wegener H C1,Madsen M1

Affiliation:

1. Danish Veterinary Laboratory, Copenhagen V, Denmark. dlb@svs.dk

Abstract

Studies of pairs of Salmonella enterica serovar Enteritidis isolates from different poultry flocks showed that phage type (PT) 7 may be derived from PT 1, 4, and 6. The conversion appeared to be associated with loss of lipopolysaccharide. It is concluded that PT 7 may be of little value as an epidemiological marker of S. enterica serovar Enteritidis.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Reference28 articles.

1. Attempts to establish phage typing as an epidemiological marker for Salmonella enteritidis;Alonso R.;Ann. Inst. Pasteur/Microbiol.,1987

2. Anonymous. 1995. Annual report on zoonoses in Denmark 1994 p. 1. Danish Zoonosis Centre Danish Veterinary Service Ministry of Agriculture and Fisheries Copenhagen Denmark.

3. The characterization of Danish isolates of Salmonella enterica serovar Enteritidis by phage typing and plasmid profiling: 1980-1990;Brown D. J.;APMIS,1994

4. Conversion of Salmonella enteritidis phage type 4 to phage type 7 involves loss of lipopolysaccharide with concomitant loss of virulence;Chart H.;FEMS Microbiol Lett.,1989

5. Acquisition of a drug resistance plasmid converts Salmonella enteritidis phage type 4 to phage type 24;Frost J. A.;Epidemiol. Infect.,1989

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