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Mostrando ítems 1164-1183 de 1219

    • Transovarial transmission of anaplasma marginale in Rhipicephalus (Boophilus) microplus ticks results in a bottleneck for strain diversity 

      De La Fourniere, Sofia; Guillemi, Eliana Carolina; Paoletta, Martina; Pérez, Agustina Ericlee; Obregón, Dasiel; Cabezas-Cruz, Alejandro; Sarmiento, Nestor Fabian; Farber, Marisa Diana (MDPI, 2023-08)
      Anaplasma marginale is an obligate intraerythrocytic bacterium of bovines, responsible for large economic losses worldwide. It is mainly transmitted by Rhipicephalus (Boophilus) microplus ticks and, despite mounting evidence ...

    • Tuberculosis bovina : descripción de la respuesta inmune humoral en animales naturalmente infectados 

      Sammarruco, Romina Ayelén; Ruiz Menna, Victoria Aymara; Delgado, Fernando Oscar; Garro, Carlos Javier; Garbaccio, Sergio Gabriel (Universidad de Buenos Aires, 2022-06)
      La respuesta inmune a la infección por Mycobacterium bovis es predominantemente mediada por células. A partir de ello se diseñaron diversas metodologías diagnósticas como la intradermorreacción (IDR). Los ensayos serológicos, ...

    • Tuberculosis bovina : transmisibilidad de cepas de Mycobacterium bovis y detección de micobacterias en menudencias comercializadas en bocas de expendio de carne 

      Marfil, Maria Jimena (Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2019)
      La tuberculosis bovina, causada por Mycobacterium bovis (M. bovis), es endémica en la Argentina. Su presencia en el ganado bovino representa un riesgo para la salud humana debido a su carácter zoonótico, pudiendo además ...

    • Tuberculosis in swine co-infected with Mycobacterium avium subsp. hominissuis and Mycobacterium bovis in a cluster from Argentina 

      Barandiaran, Soledad; Pérez, Andrés M.; Gioffre, Andrea; Martinez Vivot, Marcela; Cataldi, Angel Adrian; Zumarraga, Martin Jose (Cambridge University Press, 2015-04)
      In Argentina little is known about the epidemiology of tuberculosis (TB) infection in swine. We characterized the epidemiological dynamics of Mycobacterium avium complex (MAC) infection in a swine population of Argentina ...

    • Tuberculosis vaccine candidates based on mycobacterial cell envelope components 

      Sarmiento, María E.; Alvarez, N.; Chin, K.L.; Bigi, Fabiana; Tirado Hernández, Yanely; García, M.A.; Anis, F.Z.; Norazmi, Mohd Nor; Acosta, Armando (Elsevier, 2019-03)
      Even after decades searching for a new and more effective vaccine against tuberculosis, the scientific community is still pursuing this goal due to the complexity of its causative agent, Mycobacterium tuberculosis (Mtb). ...

    • Two distinctive phenotypes of AcMNPV display different immune abilities and intracellular destiny 

      Molina, Guido Nicolas; Tavarone, Maria Eugenia; Taboga, Oscar Alberto; Molinari, Maria Paula (2016-12-29)
      The budded phenotype (BV) of the baculovirus AcMNPV has been demonstrated to have strong immunostimulatory properties that are relevant for the development of vaccines and antiviral therapies. Although the occluded ...

    • Two years of surveillance of influenza a virus infection in a swine herd. Results of virological, serological and pathological studies 

      Cappuccio, Javier Alejandro; Dibarbora, Marina; Lozada, María Inés; Quiroga, María Alejandra; Olivera, Valeria Soledad; Dangelo, Marta; Pérez, Estefanía Marisol; Barrales, Hernán; Perfumo, Carlos Juan; Pereda, Ariel Julian; Pérez, Daniel R. (2017)
      Swine farms provide a dynamic environment for the evolution of influenza A viruses (IAVs). The present report shows the results of a surveillance effort of IAV infection in one commercial swine farm in Argentina. Two ...

    • Type VI secretion system in pathogenic escherichia coli: structure, role in virulence, and acquisition 

      Navarro-García, Fernando; Ruiz-Perez, Fernando; Cataldi, Angel Adrian; Larzabal, Mariano (Frontiers Media, 2019-08)
      Bacterial pathogens utilize a myriad of mechanisms to invade mammalian hosts, damage tissue sites, and evade the immune system. One essential strategy of Gram-negative bacteria is the secretion of virulence factors through ...

    • Understanding the intracellular-to-extracellular localization switch of polyhydroxybutyrate polymerase in pseudomonas backgrounds as a microevolutionary process 

      Stritzler, Margarita; Berini, Carolina Andrea; Jozefkowicz, Cintia; Soto, Gabriela Cinthia; Ayub, Nicolás Daniel (Elsevier, 2018-11)
      After gene duplication, paralogous genes evolve independently, and consequently, the new proteins encoded by these duplicated genes are exposed to changes in their subcellular location. Although there are increasing evidence ...

    • Understanding the relationship between Mycobacterium bovis spoligotypes from cattle in Latin American Countries 

      Zumarraga, Martin Jose; Arriaga, Camila; Barandiaran, Soledad; Cobos-Marín, Laura; de Waard, Jacobus; Estrada-Garcia, Iris; Figueiredo, Telma; Figueroa, Alvaro; Gimenez, Francisco; Gomes, Harrison M.; Gonzalez-y-Merchand, Jorge A.; Macías, Analía; Milián-Suazo, Feliciano; Rodríguez, Cesar Alejandro Rosales; Santillán, Marco Antonio; Suffys, Philip Noel; Trangoni, Marcos David; Zarraga, Ana Maria; Cataldi, Angel Adrian (Elsevier, 2013-02)
      Spoligotyping is the most frequently used method for genotyping isolates of Mycobacterium bovis worldwide. In the current work, we compared spoligotypes from 1684 M. bovis isolates from Argentina (816), Brazil (412), Chile ...

    • Undetermined cause of mortality in horses in Argentina 

      Olguin Perglione, Cecilia; Vissani, Maria Aldana; Ivanissevich, A.; Minatel, L.; Canteros, Cristina; McAulife, S.; Kennedy, Laura; Barrandeguy, Maria Edith; Camio, Guadalupe (2016)
      The aim of this report is to describe the features and clinical findings in a series of equine mortalities occurred in a Thoroughbred and Quarter Mile horse breeding farm located in Canuelas, Buenos Aires Province, Argentina. ...

    • Unraveling the complexity of the rhomboid serine protease 4 family of Babesia bovis using bioinformatics and experimental studies 

      Gallenti, Romina Josefina; Hussein, Hala E.; Alzan, Heba F.; Suarez, Carlos Esteban; Ueti, Massaro W.; Asurmendi, Sebastian; Benitez, Daniel Francisco; Araujo, Flabio Ribeiro de; Rolls, Peter; Sibeko, Kgomotso; Schnittger, Leonhard; Florin-Christensen, Mónica (MDPI, 2022-03)
      Babesia bovis, a tick-transmitted apicomplexan protozoon, infects cattle in tropical and subtropical regions around the world. In the apicomplexans Toxoplasma gondii and Plasmodium falciparum, rhomboid serine protease 4 ...

    • Unravelling chemical cues used by Diachasmimorpha longicaudata (Hymenoptera: Braconidae ) during host search 

      Devescovi, Francisco; Fernández, Patricia; Bachmann, Guillermo Enrique; Nussenbaum, Ana Laura; Segura, Diego Fernando (FAO-IAEA, 2022-11)
      Parasitoid wasps are attracted to their hosts using associated volatile compounds. In an static air olfactometer, it was shown that Diachasmimorpha longicaudata females oriented towards oranges with direct or indirect signs ...

    • Unveiling the genetic basis of Sclerotinia head rot resistance in sunflower 

      Filippi, Carla Valeria; Zubrzycki, Jeremias Enrique; Di Rienzo, Julio Alejandro; Quiroz, Facundo Jose; Puebla, Andrea Fabiana; Alvarez, Daniel; Maringolo, Carla Andrea; Escande, Alberto; Hopp, Horacio Esteban; Heinz, Ruth Amelia; Paniego, Norma Beatriz; Lia, Veronica Viviana (BMC, 2020-07)
      Background: Sclerotinia sclerotiorum is a necrotrophic fungus that causes Sclerotinia head rot (SHR) in sunflower, with epidemics leading to severe yield losses. In this work, we present an association mapping (AM) approach ...

    • Ursolic acid : a novel antiviral compound inhibiting rotavirus infection in vitro 

      Tohmé, M. J.; Giménez, M. Cecilia; Peralta, Andrea Veronica; Colombo, M. I.; Delgui, Laura Ruth (Elsevier, 2019-11)
      Rotavirus is one of the leading causes of severe acute gastroenteritis in children under 5 years of age, mainly affecting developing countries. Once the disease is acquired, no specific treatment is available; as such, the ...

    • Use of adjuvant ISA VG 71 to produce neutralizing egg yolk antibodies against bothropic venom 

      Leiva, Carlos Leónidas; Cangelosi, Adriana; Mariconda, Virginia; Celi Castillo, Ana Beatriz; Joaquim, Patricia Estefania; Geoghegan, Patricia; Fernandez Miyakawa, Mariano Enrique; Chacana, Pablo (Springer, 2023-02)
      The use of egg yolk antibodies—IgY technology—represents an alternative to the production of mammalian immunoglobulins and has several advantages regarding animal welfare and lower costs of production. The use of adjuvants ...

    • Use of Chelex-100 for the molecular diagnosisof five animal pathogens 

      Tomazic, Mariela Luján; Hamer, Micaela; Bustos, Carla Paola; Arregui, Matias Ezequiel; Ascencio, Mariano; Saraullo, Vanina Rosa; Watanabe, Olivia; Brihuega, Bibiana Felicitas; Rodriguez, Anabel Elisa; Grune Loffler, Sylvia (Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2021-06)
      Molecular tools have improved conventional veterinary diagnosis. Acid nucleic extraction is a key step for downstream applications. This work aimed to compare the DNA extraction method Chelex-100 resin (M1) ...

    • Use of molecular tools for the diagnosis of rangeliosis by Rangelia vitalii in Argentina: A case report 

      Borras, Pablo; Salvador, F.; Rinaldi, V.; Armitano, Rita Inés; Farber, Marisa Diana; Sanchez, R.; Mori, L.; Guillemi, Eliana Carolina (Elsevier, 2020-07)
      Vector-borne pathogens are responsible for serious emerging diseases and Rangelia vitalii, the etiologic agent of canine rangeliosis, is one of the most pathogenic tick-borne pathogens for dogs in South America. This ...

    • Use of the Leptospira sp. ligB C-terminus coding region as a diagnostic tool of animal leptospirosis 

      Saraullo, Vanina Rosa; Grune Loffler, Sylvia; Florin-Christensen, Mónica; Watanabe, Olivia; Hamer, Micaela; Martinez, Mara Leila; Brihuega, Bibiana Felicitas (Elsevier, 2021-10)
      Leptospirosis is the most widespread zoonosis worldwide, and it can cause reproductive failures in livestock, while in humans may vary from a mild fever to multi-organ failure and death. Due to this, in this study, we ...

    • Use of touch-down polymerase chain reaction to enhance the sensitivity of Mycobacterium bovis detection 

      Zumarraga, Martin Jose; Meikle, Virginia; Bernardelli, Amelia; Abdala, Alejandro Ariel; Tarabla, Hector Dante; Romano, Maria Isabel; Cataldi, Angel Adrian (Sage Publications, 2005-05)
      The confirmatory diagnosis of Mycobacterium bovis (M. bovis) in animal samples is carried out by culture in Stonebrink media. However, culture is very slow because of the extremely long duplication time of the bacillus and ...