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Mostrando ítems 1-20 de 54
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A novel spotted fever group Rickettsia infecting Amblyomma parvitarsum (Acari: Ixodidae) in highlands of Argentina and Chile
(2016)The tick Amblyomma parvitarsum (Acari: Ixodidae) has established populations in Andean and Patagonic environments of South America. For the present study, adults of A. parvitarsum were collected in highland areas (elevation ... -
Amblyomma aureolatum (Acari: Ixodidae): nuevos registros en las provincias de Buenos Aires y Santa Fe, Argentina
(2016-06)En los meses de julio de 2015 y enero de 2016 se colectaron garrapatas de un gato montés (Leopardus geoffroyi) localizado en la provincia de Buenos Aires y de un canino doméstico (Canis lupus familiaris) en la provincia ... -
Amblyomma hadanii n. sp. (Acari: Ixodidae), a tick from northwestern Argentina previously confused with Amblyomma coelebs Neumann, 1899
(2014-07)All stages of Amblyomma hadanii n. sp. (Acari: Ixodidae) are described from northwestern Argentina. The diagnostic characters for males are a combination of the pattern of scutal ornamentation, basis capituli dorsally ... -
Amblyomma parvitarsum (Acari: Ixodidae): localities, hosts and host-parasite ecology
(2014-01)Only a few aspects of the biology of Amblyomma parvitarsum Neumann are known. Adults of this hard tick species are parasites of South American camelids in the Andean plateau of Argentina, Bolivia, Peru and Chile and also ... -
Amblyomma parvum Aragão, 1908 (Acari: Ixodidae): Phylogeography and systematic considerations
(2016-07)The geographical distribution of Amblyomma parvum Aragão 1908 in the New World is disjunct, with two main clusters separated from each other by the Amazon basin. The main objectives of this study were to further investigate ... -
Amblyomma yucumense Krawczak, Martins & Labruna, 2015 (Acari: Ixodidae) in Argentina
(Systematic & Applied Acarology Society, 2018-05)Amblyomma yucumense was recently described from specimens collected in the Turvo State Park, southern Brazil. In search of this tick species, free-living ticks were collected at the Moconá Provincial Park and the Yabotí ... -
Aspectos ecológicos de Amblyomma tonelliae Nava, Beati y Labruna, 2014 y Amblyomma sculptum Berlese, 1888 (Acari: Ixodidae) y rol potencial como vectores de microorganismos rickettsiales en Argentina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2017-06)El objetivo de este trabajo de tesis doctoral fue generar conocimientos sobre aspectos ecológicos de las dos especies de garrapatas del complejo Amblyomma cajennense presentes en Argentina, Amblyomma tonelliae y Amblyomma ... -
Búsqueda de Borrelia spp. en garrapatas del género Amblyomma de Argentina
(Universidad de Córdoba (Colombia), 2021-12)Objetivo. El objetivo del presente estudio fue detectar la presencia de Borrelia spp. en especies de garrapatas del género Amblyomma en Argentina. Materiales y métodos. Se analizaron especímenes de garrapatas del género ... -
Characterization of the complete mitochondrial genome of Amblyomma ovale, comparative analyses and phylogenetic considerations
(Springer, 2020-06)In this study, we sequenced two complete mitochondrial genomes of Amblyomma ovale, a tick of public health importance. Sequencing two distinct individuals, the resulting mitochondrial genomes were 14,756 and 14,760 bp in ... -
Clinical and epidemiological comparison of Rickettsia parkeri rickettsiosis, related to Amblyomma triste and Amblyomma tigrinum, in Argentina
(Elsevier, 2020-07)The aim of this work was to compare the epidemiological and clinical characteristics of Rickettsia parkeri rickettsiosis related to Amblyomma triste and Amblyomma tigrinum ecological regions in Argentina. We reviewed cases ... -
Closing the Gaps to Understand the Tick Transmission of Anaplasma marginale among Giant Anteaters (Myrmecophaga tridactyla) in Argentina
(MDPI, 2020-12)Anaplasma marginale, a well-known cattle pathogen of tropical and subtropical world regions, has been previously molecularly characterized in a giant anteater (Myrmecophaga tridactyla) from Corrientes, Argentina. Ticks or ... -
Comparative proteomics for the characterization of the most relevant Amblyomma tick species as vectors of zoonotic pathogens worldwide
(2014-06-13)Ticks transmit zoonotic pathogens worldwide. Nevertheless, very little information is available on their genome, transcriptome and proteome. Herein, we characterized the proteome of Amblyomma americanum adults and nymphs ... -
Detección de la garrapata exótica Amblyomma Varanense (acari: ixodidae) en especímenes importados de Varanus salvator (Squamata: Varanidae) en la Argentina
(Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2019-12)La importación de animales vivos, especialmente reptiles, ha contribuido al transporte e introducción de garrapatas exóticas en muchas regiones del mundo. Se describe el hallazgo de 11 especímenes (un macho, dos hembras y ... -
Different lines of evidence used to delimit species in ticks : a study of the South American populations of Amblyomma parvum (Acari: Ixodidae)
(2016-10)The goal of this work was to combine different lines of evidence besides that of molecular markers to delimit species in ticks when the molecular data are not totally congruent. Two groups (Argentina, Brazil) of South ... -
Distribution and genetic variation of Amblyomma triste (Acari: Ixodidae) in Argentina
(2013-09)A study was conducted to investigate the distribution of Amblyomma triste in Argentina under the hypothesis that this tick prevails in riparian localities along the Paraná River and adjacent humid environments from 34°30′ ... -
Do parapatric populations of the ticks Amblyomma tonelliae Nava, Beati & Labruna, 2014 and Amblyomma sculptum Berlese, 1888 (Acari: Ixodidae) hybridize?
(Royal Entomological Society, 2023-02-02)This work aimed to determine if the tick species, Amblyomma sculptum and Amblyomma tonelliae, hybridize along their contact zones in Argentina. Free-living adults and nymphs of A. sculptum and A. tonelliae were collected ... -
Dynamics of Exposure to Rickettsia parkeri in Cattle in the Paraná River Delta, Argentina
(Oxford Academic Press, 2016-05)Several cases of human rickettsiosis caused by Rickettsia parkeri were recently documented in the Paraná River delta of Argentina, where the tick vector is Amblyomma triste Koch. As cattle suffer recurrent A. triste ... -
Ecology and genetic variation of Amblyomma tonelliae in Argentina
(2015-09)The ecology of Amblyomma tonelliae (Ixodida: Ixodidae), including its seasonal distribution and the development periods of each stage, was investigated during a study carried out over two consecutive years in northwestern ... -
Especies de garrapatas duras en un área urbana protegida de la Ciudad Autónoma de Buenos Aires = Hard Tick Species in a Protected Urban Area of Buenos Aires City
(Ministerio de Salud de la Nación, Argentina, 2017-09)INTRODUCCIÓN: Las garrapatas (Acari, Ixodida) son artrópodos vectores de gran diversidad de patógenos virales, bacterianos y protozoarios, muchos de los cuales son zoonóticos y emergentes. En Argentina se encuentran numerosas ... -
Exotic tick detected in Argentina on a tourist returning from South Africa
(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 ...