Using a top predator as a sentinel for environmental contamination with pathogenic bacteria: the Iberian wolf and leptospires

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dc.contributor.authorMillán, Javier
dc.contributor.authorGarcía, Emilio J
dc.contributor.authorOleaga, Álvaro
dc.contributor.authorLópez-Bao, José Vicente
dc.contributor.authorLlaneza, Luis
dc.contributor.authorPalacios, Vicente
dc.contributor.authorCandela, Mónica G
dc.contributor.authorCevidanes, Aitor
dc.contributor.authorRodríguez, Alejandro
dc.contributor.authorLeón-Vizcaíno, Luis
dc.date.accessioned2016-06-29T14:33:55Z
dc.date.available2016-06-29T14:33:55Z
dc.date.issued2014-12
dc.descriptionIndexación: Web of Science; Scielo.es
dc.description.abstracthe Iberian wolf (Canis lupus) is the top predator in the Iberian environments in which it lives, feeding on a wide range of species, thus encountering a wide range of disease agents. Therefore, the wolf can serve as sentinel of environmental contamination with pathogens. We investigated the exposure of free-living wolves to 14 serovars of Leptospira interrogans sensu lato. Kidney samples from 49 wolves collected from 2010-2013 in northwestern Spain were analysed by culture, direct immunofluorescence and polymerase chain reaction. Tissue fluids were analysed for antibodies by a microscopic agglutination test. Ten wolves (observed prevalence: 20%, 95% confidence interval = 11-33%) showed evidence of contact with leptospires, eight through direct detection and nine through serology (7 wolves were positive according to both techniques). Titres below the cut-off level were also detected in seven cases. Serovars confirmed were Canicola (n = 4), Icterohaemorrhagiae (n = 3) and Sejroë, Ballum and Grippotyphosa (n = 1 each), indicating that wolves were infected with serovars for which dogs, rodents and ungulates, are the natural hosts and supporting the utility of the wolf and other large predators as environmental sentinels for pathogens.es
dc.description.urihttp://ref.scielo.org/mv7t5s
dc.identifier.citationMem. Inst. Oswaldo Cruz vol.109 no.8 Rio de Janeiro Dec. 2014 Epub Dec 09, 2014es
dc.identifier.issn0074-0276
dc.identifier.otherhttp://dx.doi.org/10.1590/0074-0276140258
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/886
dc.language.isoenes
dc.publisherInstituto Oswaldo Cruz, Ministério da Saúdees
dc.subjectCarnivoraes
dc.subjectLeptospira borgpeterseniies
dc.subjectSpirochetees
dc.titleUsing a top predator as a sentinel for environmental contamination with pathogenic bacteria: the Iberian wolf and leptospireses
dc.typeArtículoes
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