期刊
VETERINARY MICROBIOLOGY
卷 141, 期 1-2, 页码 182-185出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.vetmic.2009.08.005
关键词
Canine; Bartonella henselae; Bartonella koehlerae; Endocarditis; Sub-aortic stenosis
Cardiac aortic valves from five dogs that died from acquired infective endocarditis were retrospectively molecularly screened for Bartonella infection. Identification was carried out using PCR targeting four gene fragments (rpoB, ribC, 16S rRNA and gltA), and the 16S-23S intergenic spacer (ITS). Bartonella henselae DNA was detected in aortic valve tissue from one Boxer dog with moderate subaortic stenosis (SAS). Bartonella koehlerae DNA was detected from the aortic valve of another Boxer dog with severe SAS. The latter dog was both a littermate and a housemate of the dog with the B. henselae infection. Other animals residing at the same household were also screened for Bartonella infection. B. henselae was molecularly detected in a spleen aspirate from the dogs' mother, and isolated and molecularly characterized from another housemate cat. This is the first molecular identification of B. henselae and B. koehlerae, two zoonotic Bartonella species, from valves of dogs with canine infective endocarditis, suggesting their role in the pathogenesis of this disease. Moreover, this is the first report describing the detection of B. koehlerae from dogs. (C) 2009 Elsevier B.V. All rights reserved.
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