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Autores
Mostrando ítems 81-100 de 144
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Molecular evidence and additional morphological characters to distinguish Ornithodoros brodyi and Ornithodoros yumatensis (Ixodida: Argasidae) in their different developmental stages
Guzman Cornejo, Carmen M.; Garcia-Prieto, Luis; Rebollo-Hernandez, Andrea; Nava, Santiago; Sanches-Montes, Sokani; Venzal, José Manuel (2017)Ornithodoros brodyi and Ornithodoros yumatensis are two species distributed in the Americas and associated with bats and caves. Both species have similar morphology, and the diagnostic traits of adults have not been detailed ... -
Morphological descriptions of the nymph and adults of Ornithodoros clarki, the larva and nymph of Ornithodoros rondoniensis, with notes on their phylogenetic relationships
Labruna, Marcelo B.; Nava, Santiago; Rebollo Hernández, Andrea; Guzman Cornejo, Carmen M.; Hernández, Ligia V.; Domínguez, Lillian; Muñoz-Leal, Sebastian; Venzal, José Manuel (Springer, 2021-03-26)Based on tick specimens collected recently in Mexico, Nicaragua, Panama and Brazil, we provide morphological descriptions of the nymph and adults of Ornithodoros clarki Jones & Clifford, 1972 from the first three countries, ... -
Natural infestation of Hydrochoerus hydrochaeris by Amblyomma dubitatum ticks
Debarbora, Valeria Natalia; Mangold, Atilio Jose; Eberhardt, Ayelén; Guglielmone, Alberto; Nava, Santiago (2014-06)Natural infestation of Amblyomma dubitatum in relation to individual specific attributes of Hydrochoerus hydrochaeris such as sex, body mass and body condition was analyzed. The anatomical distribution of A. dubitatum on ... -
Nellore cattle (Bos indicus) and ticks within the Brazilian Pantanal: ecological relationships
Ramos, Vanessa N.; Piovezan, Ubiratan; Franco, Ana Helena A.; Rodrigues, Vinicius S.; Nava, Santiago; Szabó, Matías P.J. (2016-02)Pantanal is a huge floodplain mostly in Brazil, and its main economic activity is extensive cattle raising, in farms characterized by an extremely wildlife-rich environment. We herein describe tick infestations of cattle ... -
New insights into the molecular phylogeny, biogeographical history, and diversification of Amblyomma ticks (Acari: Ixodidae) based on mitogenomes and nuclear sequences
Uribe, Juan E.; Kelava, Samuel; Nava, Santiago; Cotes-Perdomo, Andrea P.; Castro, Lyda R.; Rivera-Paéz, Fredy A.; Perea, Silvia; Mans, Ben J.; Gofton, Alexander; Teo, Ernest J.M.; Zardoya, Rafael; Barker, Stephen C. (BMC, 2024-03-18)Background: Amblyomma is the third most diversified genus of Ixodidae that is distributed across the Indomalayan, Afrotropical, Australasian (IAA), Nearctic and Neotropical biogeographic ecoregions, reaching in the Neotropic ... -
New records and host associations of the tick Ixodes apronophorus and the first detection of Ehrlichia sp. HF in Romania
Andersson, Martin O.; Radbea, Gabriel; Frangoulidis, Dimitrios; Tomaso, Herbert; Rubel, Franz; Nava, Santiago; Chitimia-Dobler, Lidia (2018-04)Ixodes (Ixodes) apronophorus is a neglected tick species and its geographical distribution, host associations, and role as a disease vector are not well known. We collected I. apronophorus from several locations in Romania. ... -
New records of soft ticks (Acari: Argasidae) from caves in Brazil, with a morphological study of Ornithodoros fonsecai and an analysis of the taxonomic status of Antricola inexpectata
Oliveira, Glauber M.B. de; Muñoz-Leal, Sebastian; Nava, Santiago; Horta, Mauricio Claudio; Bernardi, Leopoldo; Venzal, José Manuel; Labruna, Marcelo B. (Elsevier, 2024-05)In this study, we report soft ticks from bat-inhabiting caves in different areas of Brazil. From 2010 to 2019, we collected 807 tick specimens from nine caves located in four Brazilian states among two biomes. Ticks were ... -
Niche divergence among closely related taxa provides insight on evolutionary patterns of ticks
Cuervo, Pablo Fernando; Flores, Fernando Sebastián; Venzal, José Manuel; Nava, Santiago (Wiley, 2021-09)Aim: Understanding the degree to which closely related taxa diverge in their niche traits could provide insight on their evolutionary patterns, as well as shed some light on the mechanisms underpinning broad-scale biogeographic ... -
Non-parasitic life cycle of the cattle tick Rhipicephalus (Boophilus) microplus in Panicum maximum pastures in northern Argentina
Mastropaolo, Mariano; Mangold, Atilio Jose; Guglielmone, Alberto; Nava, Santiago (2017)The aim of this work was to study the non-parasitic phase of the Rhipicephalus microplus life cycle in Panicum maximum grasses from northern Argentina, in order to provide ecological information for designing methods of ... -
A novel Ehrlichia strain (Rickettsiales: Anaplasmataceae) detected in Amblyomma triste (Acari: Ixodidae), a tick species of public health importance in the Southern Cone of America
Cicuttin, Gabriel L.; De Salvo, María Nazarena; Díaz Pérez, Paula; Silva, Darío; Félix, María Laura; Venzal, José Manuel; Nava Santiago (Taylor & Francis, 2020)The aim of this work was to report the detection of a putative novel Ehrlichia strain associated with the tick Amblyomma triste. Free-living adult ticks determined as A. triste were collected by drag-sampling in Argentina ... -
One health approach to identify research needs on Rhipicephalus microplus ticks in the Americas
Estrada-Peña, Agustín; Rodriguez Mallon, Alina; Bermudez, Sergio; Domingos, Ana; Estrada Garcia, Mario Pablo; Labruna, Marcelo B.; Merino, Octavio; Nava, Santiago; Tarragona, Evelina Luisa; Venzal, José Manuel; de La Fuente, José; Mosqueda, Juan; Lleonart Cruz, Ricardo (MDPI, 2022-10)We aim to provide a harmonized view of the factors that affect the survival and promote the spread of R. microplus in the Neotropics, approaching its different facets of biology, ecology, distribution, and control. We ... -
Ornithodoros cerradoensis n. sp. (Acari: Argasidae), a member of the Ornithodoros talaje (Guérin-Méneville, 1849) group, parasite of rodents in the Brazilian Savannah
Muñoz-Leal, Sebastian; Martins, Maria Marlene; Nava, Santiago; Landulfo, Gabriel Alves Lves; Simons, Simone Michaela; Rodrigues, Vinícius Da Silva; Ramos, Vanessa Do Nascimento; Suzin, Adriane; Szabó, Matías P.J.; Labruna, Marcelo B. (Elsevier, 2020-09)Ornithodoros cerradoensis n. sp. is described from field-collected and laboratory reared nymphs, males, females, and larvae parasitizing the rodents Cavia aperea and Thrichomys sp. in the Brazilian Savannah. This new species ... -
Ornithodoros peropteryx (Acari: Argasidae) in Bolivia: an argasid tick with a single nymphal stage
Venzal, José Manuel; Nava, Santiago; Terassini, Flavio A.; Ogrzewalska, Maria; Camargo, Luis Marcelo A.; Labruna, Marcelo B. (2013-10)By the end of the 1960s, the argasid tick Ornithodoros peropteryx was described from larval specimens collected from the bat Peropteryx macrotis in Colombia. Since its original description, no additional record of O. ... -
Ornithodoros quilinensis sp. nov. (Acari, Argasidae), a new tick species from the Chacoan region in Argentina
Venzal, José Manuel; Nava, Santiago; Mangold, Atilio Jose; Mastropaolo, Mariano; Casás, Gustavo; Guglielmone, Alberto (Springer, 2012-09)Ornithodoros quilinensis sp. nov. (Acari: Argasidae) is described from larvae collected on the small rodents Graomys centralis (Cricetidae: Sigmodontinae) in Argentina. The diagnostic characters for this new species are a ... -
Phylogenetic divergence between Rickettsia amblyommatis strains from Argentina
Sebastian, Patrick Stephan; Tarragona, Evelina Luisa; Saracho Bottero, Maria Noelia; Nava, Santiago (Elsevier, 2020-02)The aim of this study was to investigate if there is a phylogenetic divergence of Rickettsia amblyommatis strains from different phytogeographic provinces of Argentina and South America. Therefore, ompA and ompB gene ... -
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 ... -
Phylogenetic relationships of the Amblyomma cajennense complex (Acari: Ixodidae) at mitogenomic resolution
Cotes-Perdomo, Andrea P.; Nava, Santiago; Castro, Lyda R.; Rivera-Paéz, Fredy A.; Cortés-Vecino, Jesús A.; Uribe, Juan E. (Elsevier, 2023-05)The genus Amblyomma is the third most diverse in the number of species within the Ixodidae, with practically half of its species distributed in the Americas, though there are also species occurring in Africa, Asia, and ... -
Predicting the northward expansion of tropical lineage Rhipicephalus sanguineus sensu lato ticks in the United States and its implications for medical and veterinary health
Pascoe, Emily L.; Nava, Santiago; Labruna, Marcelo B.; Paddock, Christopher D.; Levin, Michael L.; Marcantonio, Matteo; Foley, Janet E. (Plos One, 2022-08)The tropical lineage within the Rhipicephalus sanguineus species complex is cause for growing concern in the U.S. based on its prominent role in creating and perpetuating multiple recently identified outbreaks of Rocky ... -
Presence of Borrelia in different populations of Ixodes pararicinus from northwestern Argentina
Saracho Bottero, Maria Noelia; Sebastian, Patrick Stephan; Carvalho, Luis A.; Guardia Claps, Leonor; Mastropaolo, Mariano; Mangold, Atilio Jose; Venzal, José Manuel; Nava, Santiago (2017)This work was performed to evaluate the presence of Borrelia in different populations of Ixodes pararicinus from northwestern Argentina (Jujuy, Salta and Tucumán provinces). Questing adults and nymphs of I. pararicinus ... -
The presence of Rhipicephalus muhsamae north of the Sahara
Langguth, Johanna; Chitimia-Dobler, Lidia; Nava, Santiago; Pfeffer, Martin (2017)The occurrence of male and female Rhipicephalus muhsamae feeding on dogs and a horse in Upper Egypt is described. The morphological identification was verified using partial 16S rRNA gene sequences. By applying respective ...