Assessing the natural circulation of canine vector-borne pathogens in foxes, ticks and fleas in protected areas of Argentine Patagonia with negligible dog participation

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dc.contributor.authorMillán, Javier
dc.contributor.authorTravaini, Alejandro
dc.contributor.authorCevidanes, Aitor
dc.contributor.authorSacristán, Irene
dc.contributor.authorRodríguez, Alejandro
dc.date.accessioned2024-07-02T15:33:25Z
dc.date.available2024-07-02T15:33:25Z
dc.date.issued2019-04
dc.descriptionIndexación: Scopus.
dc.description.abstractWe collected blood and/or ectoparasites from 49 South American grey foxes (Lycalopex griseus) and two Andean foxes (L. culpaeus) caught in two National Parks of southern Argentine Patagonia (Bosques Petrificados, BPNP; and Monte León, MLNP) where dogs are nearly absent (density < 0.01 dog/km2). Common ectoparasites were the flea Pulex irritans (88% prevalence) and the tick Amblyomma tigrinum (29%). Conventional PCR and sequencing of 49 blood samples, 299 fleas analysed in 78 pools, and 21 ticks revealed the presence of DNA of the following canine vector-borne pathogens: in grey foxes, Rickettsia sp. (3%), hemoplasmas (8%), including Mycoplasma haemocanis, and Hepatozoon sp. (50%); in P. irritans, Bartonella spp. (72% of flea pools from 76% of foxes), mostly B. vinsonii subsp. berkhoffii but also B. rochalimae, Anaplasmataceae (Wolbachia sp.; 60% and 54%), and M. haemocanis/haemofelis (29% and 18%); and in A. tigrinum, Hepatozoon sp. (33% of ticks in 4 of 7 foxes). No piroplasmid DNA was detected in any sample. Andean foxes were negative for all tested pathogens. Two different Hepatozoon haplotypes were detected: the most prevalent was phylogenetically associated with H. felis, and the other with H. americanum and related sequences. Amblyomma tigrinum and Hepatozoon sp. were more abundant and/or prevalent in BPNP than in colder MLNP, 300 km southwards, perhaps located close to the limit for tick suitability. Bartonella v. berkhoffii was also significantly more prevalent in fleas of foxes in BPNP than in MLNP. This study provides novel information about natural host-pathogen associations in wildlife, markedly extends the distribution area in South America of arthropods and vector-borne pathogens of veterinary and public health interest, and contributes preliminary evidence about the potential role of A. tigrinum and P. irritans as vectors, respectively, for potentially new species of Hepatozoon from Lycalopex spp. and for M. haemocanis that should be further investigated.
dc.description.urihttps://www.sciencedirect.com/science/article/pii/S2213224418301512?via%3Dihub
dc.identifier.citationInternational Journal for Parasitology: Parasites and Wildlife Volume 8, Pages 63 - 70 April 2019
dc.identifier.doi10.1016/j.ijppaw.2018.11.007
dc.identifier.issn2213-2244
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/58146
dc.language.isoen_US
dc.publisherAustralian Society for Parasitology
dc.rights.licenseATRIBUCIÓN 4.0 INTERNACIONAL
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectFlea-borne
dc.subjectHaemoplasma
dc.subjectHaemotropic mycoplasma
dc.subjectPseudalopex culpaeus
dc.subjectPseudalopex griseus
dc.subjectSanta Cruz province
dc.subjectTick-borne
dc.titleAssessing the natural circulation of canine vector-borne pathogens in foxes, ticks and fleas in protected areas of Argentine Patagonia with negligible dog participation
dc.typeArtículo
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