Isolates of Salmonella enterica Enteritidis PT4 with enhanced heat and acid tolerance are more virulent in mice and more invasive in chickens

Epidemiology and Infection

Volumn 117, Issue 1, 1996, Pages 79-88

  Humphrey, T J ^a   Williams, A ^a   McAlpine, K ^a   Lever, M S ^a   Guard Petter, J ^b   Cox, J M ^c  

^a PUBLIC HEALTH ENGLAND   (United Kingdom)

^b AGRICULTURAL RESEARCH SERVICE   (United States)

^c UNIVERSITY OF NEW SOUTH WALES   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

ACID;

AEROSOL; ANIMAL EXPERIMENT; ARTICLE; BACTERIUM ISOLATION; CHICKEN; CONTROLLED STUDY; HEAT TOLERANCE; HEN; MOUSE; NONHUMAN; SALMONELLA ENTERICA; SALMONELLOSIS; SURFACE PROPERTY; VIRULENCE;

EID: 0029783074     PISSN: 09502688     EISSN: None     Source Type: Journal    
DOI: 10.1017/S0950268800001151     Document Type: Article

References (29)

1. Advisory Committee on the Microbiological Safety of Food. Salmonella in eggs. London: HMSO, 1993.
2. Humphrey TJ, Slater E, McAlpine K, Rowbury RJ, Gilbert RJ. Salmonella enteritidis PT4 isolates more tolerant of heat, acid, or hydrogen peroxide also survive longer on surfaces. Appl Environ Microbiol 1995; 61: 3161-4.
3. Petter JG. Detection of two smooth colony phenotypes in a Salmonella enteritidis isolate which vary in their ability to contaminate eggs. Appl. Environ Microbiol 1993; 59: 2884-90.
4. Guard-Petter J, Lakshmi B, Carlson R, Ingram K. Characterization of lipopolysaccharide heterogeneity in Salmonella enteritidis by an improved gel electrophoresis method. Appl Environ Microbiol 1995; 61: 2845-51.
5. Hinton M, Pearson GR, Threlfall EJ, Rowe B. Experimental Salmonella enteritidis infection in chicks. Vet Rec 1989; 124: 223.
6. Hinton M, Threlfall EJ, Rowe B. The invasiveness of different strains of Salmonella enteritidis phage type 4 for young chickens. FEMS Microbiol Lett 1990; 70: 193-6.
7. Hinton M, Threlfall E, Rowe B. The invasive potential of Salmonella enteritidis phage types for young chickens. Lett Appl Microbiol 1990; 10: 237-9.
8. Cox JM, Woolcock JB, Lipopolysaccharide expression and virulence in mice of Australian isolates of Salmonella enteritis. Lett Appl Microbiol 1994; 19: 95-8.
9. Chart H, Rowe B. Antibodies to lipopolysaccharide and outer membrane proteins of Salmonella enteritidis PT4 are not involved in protection from experimental infection. FEMS Microbiol Lett 1991; 84: 345-50.
10. Baskerville A, Humphrey TJ, Fitzgeorge RB, et al. Airborne infection of laying hens with Salmonella enteritidis phage type 4. Vet Rec 1992; 130: 395-8.
11. Humphrey TJ, Baskerville A, Chart H, Rowe B, Whitehead A. Infection of laying hens with Salmonella enteritidis PT4 by conjunctival challenge. Vet Rec 1992; 131: 386-8.
12. Humphrey TJ, Whitehead A, Gawler AH, Henley A, Rowe B. Numbers of Salmonella enteritidis in the contents of naturally contaminated hens' eggs. Epidemiol Infect 1991; 106: 489-96.
13. Hambleton P, Broster MG, Dennis PJ, Henstridge R, Fitzgeorge R, Conlan JW. Survival of virulent Legionella pneumophila in aerosols. J Hyg 1983; 90: 451-60.
14. Padron MN. Salmonella tvphimurium penetration through the eggshell of hatching eggs. Avian Dis 1990; 34: 463-5.
15. Gast RK, Beard CW. Production of Salmonella enteritidis-contaminated eggs by experimentally infected hens. Avian Dis 1990; 34: 438-46.
16. Humphrey TJ, Baskerville A, Mawer S, Rowe B, Hopper S. Salmonella enteritidis phage type 4 from the contents of intact eggs: a study involving naturally infected hens. Epidemiol Infect 1989; 103: 415-23.
17. Hoop RK, Pospischil A. Bacteriological, serological, histological and immuno-histochemical findings in laying hens naturally infected with Salmonella enteritidis phage type 4 infection. Vet Rec 1993; 133: 391-3.
18. Lister SA. Salmonella enteritidis infection in broilers and broiler-breeders. Vet Rec 1988; 123: 250.
19. Keller LH, Benson CE, Krotec K, Eckroade RJ. Salmonella enteritidis colonization of the reproductive tract and forming and freshly laid eggs of chickens. Infect Immun 1995; 63: 2443-9.
20. Brake J, Thaxton P. Physiological changes in caged layers during a forced molt. 2. Gross changes in organs. Poult Sci 1979; 58: 707-16.
21. Humphrey TJ, Baskerville A, Chart H, Rowe B, Whitehead B. Salmonella enteritidis PT4 infection in specific pathogen free hens: influence of infecting dose. Vet Rec 1991; 129: 482-5.
22. Bygrave A, Gallagher J. Transmission of Salmonella enteritidis in poultry. Vet Rec 1989; 124: 571.
23. Halavatkar H, Barrow PL. The role of a 54-kb plasmid in the virulence of strains of Salmonella enteritidis of phage type 4 for chicken and mice. J Med Microbiol 1993; 38: 171-6.
24. Chart H, Threlfall EJ, Rowe B. Virulence studies of Salmonella enteritidis phage types. Lett Appl Microbiol 1991; 12: 188-91.
25. Cox JM. Salmonella enteritidis: virulence factors and invasive infection in poultry. Trends Food Sci Tech 1995; 6: 407-10.
26. Collinson SK, Emödy L, Müller KH, Trust TJ, Kay WW. Purification and characterisation of thin, aggregative fimbriae from Salmonella enteritidis. J. Bacteriol 1991; 173: 4473-81.
27. Collinson SK, Doig PC, Doran JL, Clouthier S, Trust TJ, Kay WW. Thin, aggregative fimbriae mediate binding of Salmonella enteritidis to fibrolectin. J Bacteriol 1993; 175: 12-8.
28. Thorns CJ, Sojka MG, Chasey D. Detection of a novel fimbrial structure on the surface of Salmonella enteritidis by using monoclonal antibody. J Clin Microbiol 1990; 28: 2409-14.
29. Mekalanos JJ. Environmental signals controlling expression of virulence determinants in bacteria. J Bacteriol 1992; 174: 1-7.