Veterinary Research Communications· 2026Q1
Molecular evidence of Bartonella spp. in wild felids from Brazil
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Short summary
Molecular analysis of wild Brazilian felids revealed 3.09% (9/291) tested positive for Bartonella spp., with one species grouping with Bartonella henselae and others clustering with strains found in wild rodents.
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Key points
- 9 out of 291 (3.09%) wild felid samples from Brazil were positive for Bartonella spp. via qPCR.
- Bartonella strains from oncilla (Leopardus wiedii) grouped with Bartonella henselae.
- Bartonella strains from Geoffroy's cat (Leopardus geoffroyi) clustered with Bartonella species found in wild rodents.
- The study sampled various wild felids including Leopardus pardalis, Leopardus geoffroyi, Panthera onca, Herpailurus yagouaroundi, and Leopardus wiedii.
AI-generated from the title and abstract; the full text is not read.
Abstract
Abstract Among Felidae, domestic cats play a role as reservoirs for Bartonella henselae , Bartonella clarridgeiae , and Bartonella koehlerae . Despite the well-known relationship between Bartonella spp. and domestic cats, to date, there is still a paucity of reports on Bartonella spp. in wild felids. The aim of this study was to molecularly detect and characterize Bartonella spp. in blood and tissue samples from wild felids sampled in Brazil. Among 291 DNA samples (211 blood, 77 spleens and three livers), 3.09% (9/291) were positive in the Quantitative Real-Time PCR (qPCR) assay for Bartonella spp. based on the nuoG gene: 1/44 Leopardus pardalis , 3/61 Leopardus geoffroyi , 1/66 Panthera onca , 1/3 Herpailurus yagouaroundi , and 3/32 Leopardus wiedii . In the phylogenetic analyses, while the gltA sequence detected in L. wiedii grouped with Bartonella henselae , the gltA and ftsZ sequences detected in L. geoffroyi clustered within the same subclade as Bartonella sp. sequences previously identified in wild rodents and associated fleas. These findings reinforce that besides harboring Bartonella species associated with cats, wild felids also may act as accidental hosts for Bartonella species associated with wild small mammals, possibly as a consequence of predation.
The authors' abstract, as published at the source. Veterinary Research Communications, 2026 · DOI ↗
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