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Infection and Immunity, July 2004, p. 4318-4321, Vol. 72, No. 7
0019-9567/04/$08.00+0     DOI: 10.1128/IAI.72.7.4318-4321.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.

Oral Inoculation of A/J Mice for Detection of Invasiveness Differences between Listeria monocytogenes Epidemic and Environmental Strains

So Hyun Kim,1,2,3 Marlene K. Bakko,1,2 Don Knowles,1,2 and Monica K. Borucki1,2*

Animal Disease Research Unit, Agricultural Research Service, United States Department of Agriculture, Pullman, Washington 99164-6630,1 Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, Washington 99164-7040,2 Department of Microbiology, College of Veterinary Medicine and School of Agricultural Biotechnology, Seoul National University, Seoul 151-742, Korea3

Received 3 February 2004/ Returned for modification 10 March 2004/ Accepted 29 March 2004

Four-week-old Harlan A/J mice were orally infected with six epidemic and six environmental strains of Listeria monocytogenes. Epidemic strains were significantly more invasive as a group than were environmental strains (P < 0.05), and the intestines of some mice infected with epidemic strains had extensive hemorrhage. Mice inoculated with epidemic strains were significantly more likely to become systemically infected than mice inoculated with environmental strains (P < 0.01).

* Corresponding author. Mailing address: USDA-ARS, 3003 ADBF, Washington State University, Pullman, WA 99164-6630. Phone: (509) 335-7407. Fax: (509) 335-8328. E-mail: mborucki{at}vetmed.wsu.edu.

Editor: D. L. Burns

Infection and Immunity, July 2004, p. 4318-4321, Vol. 72, No. 7
0019-9567/04/$08.00+0     DOI: 10.1128/IAI.72.7.4318-4321.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Sleator, R. D., Watson, D., Hill, C., Gahan, C. G. M. (2009). The interaction between Listeria monocytogenes and the host gastrointestinal tract. Microbiology 155: 2463-2475 [Abstract] [Full Text]  


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