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. 1978 Nov;22(2):508–515. doi: 10.1128/iai.22.2.508-515.1978

Experimental urinary tract infection with Pseudomonas aeruginosa in mice.

T Nishi, K Tsuchiya
PMCID: PMC422185  PMID: 103833

Abstract

Urinary tract infection with Pseudomonas aeruginosa was induced in mice by transurethral inoculation of the organism into the bladder, followed by urethral obstruction for 6 h. The infection was mostly localized in the urinary organs. P. aeruginosa P9 was selected as the challenge organism from 10 laboratory strains of P. aeruginosa. After the inoculation of 10(7) colony-forming units of P. aeruginosa P9, transient bacteremia was observed in some of the mice from 6 h to 1 day after the inoculation. The number of organisms in the bladder tissue gradually decreased, whereas that in the kidneys increased to levels of 10(6) to 10(7) colony-forming units in 3 days, and these levels remained up to 2 weeks after the inoculation. The organisms gradually disappeared thereafter, and spontaneous recovery took place. The organisms could be recovered from the kidneys of 95% of the mice, and the gross lesions in the kidneys were observed in 77% of the mice 1 week after inoculation. The method developed here is simple and may be useful in the study of urinary tract infections due to P. aeruginosa and other species of bacteria.20

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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