Prevalence of Bartonella henselae and Bartonella clarridgeiae in stray cats
1997
Heller, R. | Artois, M. | Xemar, V. | De Briel, D. | Gehin, Herve | Jaulhac, B. | Monteil, H. | Piemont, Y.
The aim of the present work was to determine by blood culture the prevalence of blood infection with Bartonella species in a well-defined, European, urban stray cat population. Therefore, 94 stray cats were trapped from 10 cat colonies. Blood samples of these cats were cultured on both blood agar and liquid medium in order to raise the likelihood of bacterial detection. Fifty blood samples (53%) gave a positive culture result for Bartonella species. Isolate identification was performed by sequencing the first 430 bases of the 16S ribosomal DNA. Three types of sequences were thus obtained. The first type (17 isolates; 34%) was identical to that of B. henselae Houston-1 and the corresponding strains were referred as B. henselae type I. The second sequence type (18 isolates; 36%) was identical to that initially described as "BA-TF," and the corresponding strains were referred to as B. henselae type II. The third sequence type (15 isolates; 30%) was identical to that of the Bartonella clarridgeiae type strain (ATCC 51734). Our study points out the major role of stray cats as a reservoir of Bartonella spp. which can be transmitted to pet cats and, consequently, to humans. The study also highlights the high prevalence of B. clarridgeiae (16%) in the blood of stray cats.
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