BALB/c Mice resist infection with Bartonella bacilliformis
BMC Research Notes(2008)
Abstract
Background Bartonellosis due to Bartonella bacilliformis is a highly lethal endemic and sometimes epidemic infectious disease in South America, and a serious public health concern in Perú. There is limited information on the immunologic response to B. bacilliformis infection. The objective of this research was to produce experimental infection of BALB/c mice to B. bacilliformis inoculation. Findings BALB/c mice were inoculated with 1.5, 3.0 or 4.5 × 10 8 live B. bacilliformis using different routes: intraperitoneal, intradermal, intranasal, and subcutaneous. Cultures of spleen, liver, and lymph nodes from one to 145 days yielded no cultivable organisms. No organs showed lesions at any time. Previously inoculated mice showed no changes in the reinoculation site. Conclusion Parenteral inoculation of live B. bacilliformis via different infection routes produced no macroscopic or microscopic organ lesions in BALB/c mice. It was not possible to isolate B. bacilliformis using Columbia blood agar from 1 to 15 days after inoculation.
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Key words
Liver Abscess, Columbia Agar, Columbia Blood Agar, Bartonella Species, Cultivable Organism
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