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Mostrando ítems 1-16 de 16
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Analysis of the tick communities associated to domestic mammals in rural areas of the Yungas montane forest from Argentina
Copa, Griselda N.; Flores, Fernando Sebastián; Tarragona, Evelina Luisa; Lamattina, Daniela; Sebastian, Patrick; Gil, José F.; Mangold, Atilio Jose; Venzal, José Manuel; Nava, Santiago (Elsevier, 2023-04)The aim of this work was to describe the tick community associated to domestic mammals in rural areas from the Yungas lower montane forest of Argentina. The circulation of tick-borne pathogens was also analyzed. Samples ... -
Assays to evaluate the transovarial transmission of Anaplasma marginale by Rhipicephalus microplus
Mazzucco Panizza, Matilde Nahimé; Cutulle, Christian; Primo, María Evangelina; Morel, Nicolas; Sebastian, Patrick; Nava, Santiago (Elsevier, 2022-11)The aim of this study was to evaluate the vectorial competence of Rhipicephalus microplus to transmit Anaplasma marginale transovarially, by analyzing the results of three different but complementary assays. First, larvae ... -
Bacteria of the genera Ehrlichia and Rickettsia in ticks of the family Ixodidae with medical importance in Argentina
Tarragona, Evelina Luisa; Saracho Bottero, María Noelia; Mangold, Atilio Jose; Sebastian, Patrick Stephan; Mackenstedt, Ute; Nava, Santiago (2016)The aim of this study was to get an overview about the occurrence of bacteria from the genus Ehrlichia and Rickettsia in ixodid ticks with medical importance in Argentina. Therefore, in 2013 and 2014, free-living ticks ... -
Borrelia genospecies in Ixodes sp. cf. Ixodes affinis (Acari: Ixodidae) from Argentina
Flores, Fernando Sebastián; Saracho Bottero, Maria Noelia; Sebastian, Patrick Stephan; Venzal, José Manuel; Mangold, Atilio Jose; Nava, Santiago (Elsevier, 2020-11)The aim of this work was to evaluate the presence of Borrelia infection in Ixodes sp. cf. Ixodes affinis ticks from Argentina. Specimens of Ixodes sp. cf. I. affinis were collected on vegetation and birds in five locations ... -
Epidemiological link between canine monocytic ehrlichiosis caused by Ehrlichia canis and the presence of Rhipicephalus sanguineus sensu stricto in Argentina
Sebastian, Patrick Stephan; Mera y Sierra, Roberto; Neira, Gisela; Hadid, Jaled; Flores, Fernando Sebastian; Nava, Santiago (Springer, 2021-01)In this work, we analyze data that support an epidemiological link between cases of canine monocytic ehrlichiosis (CME) by Ehrlichia canis and the presence of Rhipicephalus sanguineus sensu stricto as vector in an endemic ... -
Exotic tick detected in Argentina on a tourist returning from South Africa
Tarragona, Evelina Luisa; Sebastian, Patrick Stephan; Guglielmone, Alberto; Nava, Santiago (Elsevier, 2021-02-12)The aim of this study was to report the finding of a nymph attached to an Argentinean tourist returning from South Africa. The nymph specimen was morphologically analysed, submitted to DNA extraction and amplifying the 16S ... -
Molecular detection and phylogenetic analysis of Anaplasma platys-like and Candidatus Anaplasma boleense strains from Argentina
Sebastian, Patrick; Mazzucco Panizza, Matilde Nahimé; García Ríos, Ignacio José María; Tarragona, Evelina Luisa; Trova, Gabriela Beatriz; Sánchez Negrette, Olga; Primo, María Evangelina; Nava, Santiago (Elsevier, 2023-05)The present study aimed at the molecular detection of Anaplasma spp. in different samples obtained from cattle, goats and free-living Rhipicephalus microplus ticks from Argentina. DNA of members of the Anaplasmataceae ... -
Molecular detection and phylogenetic characterization of Theileria equi in horses (Equus caballus) from a peri-urban area of Argentina
Sebastian, Patrick Stephan; Benitez Ibalo, Alicia P.; Flores, Fernando Sebastian; Debárbora, Valeria Natalia; Martinez, Emilia Irina; Thompson, Carolina Soledad; Mangold, Atilio José (Elsevier, 2021-11)To investigate the presence of Theileria equi in an endemic area of equine piroplasmosis 42 horses (Equus caballus) from Corrientes City, Argentina were sampled. Eighty-one percent (34 blood samples) of the analyzed horses ... -
Molecular detection of Candidatus Ehrlichia pampeana (Rickettsiales: Anaplasmataceae) in Haemaphysalis juxtakochi (Acari: Ixodidae) from central Argentina
Flores, Fernando Sebastian; Sebastian, Patrick Stephan; Nava, Santiago (Springer, 2024-02)The aim of this study was to report the first detection of Candidatus Ehrlichia pampeana in Haemaphysalis juxtakochi from Argentina. Free-living ticks were collected from vegetation by drag-flag method on five sample sites ... -
Molecular Detection of Candidatus Rickettsia andeanae and Ehrlichia sp. in Amblyomma pseudoconcolor Aragão, 1908 (Acari: Ixodidae) from the Argentinian Patagonia
Sebastian, Patrick; Winter, Marina; Abate, Sergio Damian; Tarragona, Evelina Luisa; Nava, Santiago (MDPI, 2022-11)This study presents the molecular detection of Candidatus Rickettsia andeanae and Ehrlichia sp. in Amblyomma pseudoconcolor Aragão, 1908 (Acari: Ixodidae) collected on a large hairy armadillo (Chaetophractus villosus ... -
Molecular detection of rickettsial bacteria in ticks of the genus Ixodes from the Southern Cone of America
Sebastian, Patrick Stephan; Flores, Fernando Sebastian; Saracho Bottero, Maria Noelia; Tarragona, Evelina Luisa; Venzal, José Manuel; Nava, Santiago (Elsevier, 2020-10)To obtain information about rickettsial bacteria in ticks of the genus Ixodes from Argentina and Uruguay, specimens of I. fuscipes (previously named as I. aragaoi), Ixodes pararicinus, Ixodes sp. cf. I. affinis, and Ixodes ... -
Novel Anaplasma (Rickettsiales: Anaplasmataceae) strain and Hepatozoon sp. cf. H. procyonis (Apicomplexa, Hepatozoidae) detected in Procyon cancrivorus (Carnivora, Procyonidae) from Argentina, with note of tick-host association
Tarragona, Evelina Luisa; Sebastian, Patrick; Félix, Maria L.; Venzal, José Manuel (Springer, 2023-04)The aim of this work is to report the first detection of Procyon cancrivorus naturally co-infected with Hepatozoon sp. cf. H. procyonis and a novel Anaplasma strain from South America and potential vector tick species ... -
Phylogenetic position of Theileria cervi detected in Blastocerus dichotomus (Artiodactyla: Cervidae) with clinical symptoms from argentina
Sebastian, Patrick; Falzone, Martin; Lois, Maria F.; Sartori, Rodrigo; Zimmerman, Jennifer; Tarragona, Evelina Luisa; Nava, Santiago (Elsevier, 2022-07)The results of this study document the molecular detection of Theileria cervi in a symptomatic adult marsh deer Blastocerus dichotomus (Artiodactyla: Cervidae) from Argentina and characterize the phylogenetic position of ... -
Reestablishment of Rhipicephalus secundus Feldman-Muhsam, 1952 (Acari: Ixodidae)
Mumcuoglu, Kosta Y.; Estrada-Peña, Agustín; Tarragona, Evelina Luisa; Sebastian, Patrick Stephan; Guglielmone, Alberto; Nava, Santiago (Elsevier, 2022-03)Rhipicephalus secundus is reestablished as a valid tick name within the Rhipicephalus sanguineus group and removed from the synonymy list of Rhipicephalus turanicus. Morphological re-description of both male and female of ... -
Ticks (Acari: Ixodidae, Argasidae) associated with wild birds in Argentina
Flores, Fernando Sebastián; Saracho Bottero, Maria Noelia; Tarragona, Evelina Luisa; Sebastian, Patrick; Copa, Griselda N.; Guardia, Leonor; Mangold, Atilio Jose; Venzal, José Manuel; Nava, Santiago (Elsevier, 2023-05)The aim of this study was to report tick infestations on wild birds from four Phytogeographic Provinces of Argentina. A total of 1085 birds was captured (124 species, 97 genera, 29 families and 13 orders), and ticks were ... -
Two novel Ehrlichia (Rickettsiales: Anaplasmataceae) strains detected in ticks (Ixodida, Ixodidae) and opossums (Didelphimorphia: Didelphidae) in Argentina
Tarragona, Evelina Luisa; Flores, Fernando Sebastián; Lamattina, Daniela; Torrents, Jorgelina; Sebastian, Patrick; Nava, Santiago (Elsevier, 2022-09)The aim of this study is to determine if there is circulation of microorganisms of the genus Ehrlichia in opossums Didelphis albiventris and their ticks from the Humid Chaco in Argentina. Blood samples of 15 specimens of ...