Javati, Sarah, Guernier-Cambert, Vanina, Jonduo, Marinjho, Robby, Sinafa, Kimopa, Jobb, Maure, Tobias, McBryde, Emma S., Pomat, William, Aplin, Ken, Helgen, Kristofer M., Abdad, Mohammad Yazid, and Horwood, Paul (2022) Diversity of Leptospira spp. in bats and rodents from Papua New Guinea. Transboundary and Emerging Diseases, 69 (6). pp. 4048-4054.

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Abstract

Leptospirosis is the most common bacterial zoonosis globally. The pathogen, Leptospira spp., is primarily associated with rodent reservoirs. However, a wide range of other species has been implicated as reservoirs or dead-end hosts. We conducted a survey for Leptospira spp. in bats and rodents from Papua New Guinea. Kidney samples were collected from 97 pteropodid bats (five species), 37 insectivorous bats from four different families (six species) and 188 rodents (two species). Leptospires were detected in a high proportion of pteropodid bats, including Nyctimene cf. albiventer (35%), Macroglossus minimus (34%) and Rousettus amplexicaudatus (36%). Partial sequencing of the secY gene from rodent and bat leptospires showed host species clustering, with Leptospira interrogans and L. weilii detected in rodents and L. kirschneri and a potential novel species of Leptospira detected in bats. Further research is needed in Papua New Guinea and other locales in the Pacific region to gain a better understanding of the circulation dynamics of leptospires in reservoir species and the risks to public and veterinary health.

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