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Rickettsia massiliae circulation in sheep and attached Rhipicephalus sanguineus in Central Portugal

2022Journal article Restricted access
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dc.contributor.authorMesquita, João R.
dc.contributor.authorSantos-Silva, Sérgio
dc.contributor.authorde Sousa Moreira, Alícia
dc.contributor.authorBaptista, Maria Beatriz
dc.contributor.authorCruz, Rita
dc.contributor.authorEsteves, Fernando
dc.contributor.authorVala, Helena
dc.contributor.authorBarradas, Patrícia F.
dc.date.accessioned2022-07-11T14:08:13Z
dc.date.available2022-07-11T14:08:13Z
dc.date.issued2022
dc.description.abstractRickettsiosis is considered an emerging/re-emerging vector-borne disease that causes signifcant public health threats. Ticks are reservoirs and vectors of Rickettsia having a signifcant role in the transmission of rickettsiae. In Portugal, little is known about tick-borne Rickettsia species in sheep. Therefore, this study aimed to investigate rickettsiae infection in ticks and their sheep host from 27 farms in four districts of central Portugal, to clarify the role of the sheep host in the circulation of this zoonotic agent. Between March and May 2021, EDTA blood samples (n=100) of healthy grazing sheep and their ticks (n=100, one tick per animal) were collected during a herd health program in central Portugal. Obtained ticks were identifed as Rhipicephalus sanguineus sensu lato by PCR targeting a partial sequence of 16S rRNA gene followed by sequence analysis. Rhipicephalus sanguineus s.l. and host sheep blood were tested for the presence of Rickettsia spp. by PCR targeting a partial sequence of ompB and ompA genes. From a total of 100 paired R. sanguineus s.l. and host sheep, Rickettsia massiliae was detected in 62 ticks and 35 grazing sheep blood samples, collected in central Portugal, 2021. All 35 positive sheep had attached positive R. sanguineus s.l., with matching nucleotidic sequences. These fndings suggest that sheep may develop rickettsiemia and are likely capable of transmitting and amplifying the infection to uninfected ticks maintaining rickettsiae in circulation in the domestic cycle.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMesquita, J.R.; Santos-Silva, S.; Moreira, A. de S.; Baptista, M.B.; Cruz, R.; Esteves, F.; Vala, H. and Barradas, P.F. (2022). Rickettsia massiliae circulation in sheep and attached Rhipicephalus sanguineus in Central Portugal. Tropical Animal Health and Production, 54, 199. https://doi.org/10.1007/s11250-022-03206-7pt_PT
dc.identifier.doi10.1007/s11250-022-03206-7pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.19/7299
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relation.publisherversionhttps://link.springer.com/content/pdf/10.1007/s11250-022-03206-7.pdfpt_PT
dc.subjectRickettsiapt_PT
dc.subjectSheeppt_PT
dc.subjectTickspt_PT
dc.subjectRhipicephalus sanguineus sensu latopt_PT
dc.titleRickettsia massiliae circulation in sheep and attached Rhipicephalus sanguineus in Central Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue4pt_PT
oaire.citation.titleTropical Animal Health and Productionpt_PT
oaire.citation.volume54pt_PT
person.familyNameCruz
person.familyNameEsteves
person.familyNameVala Correia
person.givenNameRita
person.givenNameFernando
person.givenNameHelena Maria
person.identifier.ciencia-idA11E-DBFF-16E8
person.identifier.ciencia-id6E19-A3CC-897E
person.identifier.ciencia-id7A1E-E85E-FFA4
person.identifier.orcid0000-0002-5767-7835
person.identifier.orcid0000-0003-0589-0746
person.identifier.orcid0000-0001-6829-4867
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication8e60c18a-9c3f-4b0e-be9e-4378ebc1594e
relation.isAuthorOfPublication93d688a9-9716-444c-9d08-fdca593d630d
relation.isAuthorOfPublicationcdc3d2e2-df06-40ed-8900-1ecbc8a06c8a
relation.isAuthorOfPublication.latestForDiscovery8e60c18a-9c3f-4b0e-be9e-4378ebc1594e

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