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- W4283272200 abstract "Leptospirosis is a bacterial zoonosis that occurs in tropical and subtropical regions worldwide. Chiroptera are known to be a formidable reservoir of zoonotic pathogens, including leptospires. The epidemiology of leptospirosis in bats in the Pacific Islands is poorly known, both in terms of prevalence and in terms of the bacterial strains involved. A strong host specificity between leptospiral strains and their mammalian reservoir is recognized. This phenomenon has notably been studied recently in bat communities, providing strong evidence of co-evolution. In New Caledonia, a biodiversity hotspot where leptospirosis is endemic and enzootic, Chiroptera are the only indigenous terrestrial mammals. In this study, we aimed to investigate leptospires associated with three flying fox species in New Caledonia. Kidneys and urine samples of Pteropus spp. from captures and seizures were analysed. Among 254 flying foxes analysed, 24 harboured pathogenic leptospires corresponding to an observed prevalence of 9.45% with 15.8% on the Main Island and 4.3% on Loyalty Islands. The analysis of the rrs gene, lfb1, and MLST sequences evidenced four distinct clusters of undescribed strains, likely corresponding to undescribed species. All four strains belong to the Group I of pathogenic Leptospira spp., which includes Leptospira interrogans, Leptospira noguchii, and Leptospira kirschneri. We detected pathogenic leptospires in all three Pteropus spp. studied (including two endemic species) with no evidence of host specificity in two co-roosting species. For a better understanding of Leptospira–host co-evolution, notably to genetically characterize and evaluate the virulence of these original bat-associated leptospires, it is essential to improve isolation techniques. Flying foxes are traditionally hunted and eaten in New Caledonia, a massive cause of bat–human interactions. Our results should encourage vigilance during these contacts to limit the spillover risk of these pathogens to humans." @default.
- W4283272200 created "2022-06-23" @default.
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- W4283272200 date "2022-07-08" @default.
- W4283272200 modified "2023-10-16" @default.
- W4283272200 title "Original<i>Leptospira</i>spp. in island's native terrestrial mammals: A case study in<i>Pteropus</i>spp. bats of New Caledonia" @default.
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- W4283272200 doi "https://doi.org/10.1111/tbed.14635" @default.
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