• Analysing nonsynonymous mutations between two Mycobacterium bovis strains with contrasting pathogenic profiles 

      Bigi, María Mercedes; Vazquez, Cristina Lourdes; Castelão, Ana Beatriz C.; Garcia, Elizabeth Andrea; Cataldi, Angel Adrian; Jackson, Mary; McNeil, Michael; Soria, Marcelo Abel; Zumarraga, Martin Jose; Cabruja, Matias; Gago, Gabriela; Blanco, Federico Carlos; Nishibe, Christiane; Almeida Junior, Nalvo Franco de; Araujo, Flabio Ribeiro de; Bigi, Fabiana (Elsevier, 2019-12)
      Mycobacterium bovis (M. bovis) is the causative agent of bovine tuberculosis, a chronic infectious disease that can affect cattle, other domesticated species, wild animals and humans. This disease produces important economic ...
    • Characterization of the two component regulatory system PhoPR in Mycobacterium bovis 

      Garcia, Elizabeth Andrea; Blanco, Federico Carlos; Bigi, María Mercedes; Vazquez, Cristina Lourdes; Forrellad, Marina Andrea; Rocha, Rosana Valeria; Golby, Paul; Soria, Marcelo Abel; Bigi, Fabiana (Elsevier, 2018-08)
      Mycobacterium bovis is the causative agent of bovine tuberculosis and is a member of Mycobacterium tuberculosis complex, which causes tuberculosis in a number of mammals including humans. Previous studies have shown that ...
    • Detection of Mycobacterium bovis in Bovine and Bubaline tissues using Nested-PCR for TbD1 

      Araújo, Cristina Pires de; Osório, Ana Luiza Alves Rosa; Jorge, Klaudia dos Santos Goncalves; Ramos, Carlos Alberto N.; Filho, Antonio Francisco S.; Vidal, Carlos Eugênio Soto; Roxo, Eliana; Nishibe, Christiane; Almeida Junior, Nalvo Franco de; Júnior, Antônio A. F.; Silva, Marcio Roberto; Neto, Jose Diomedes Barbosa; Cerqueira, Valíria Duarte; Zumarraga, Martin Jose; Araujo, Flabio Ribeiro de (PLOS, 2014-03)
      In the present study, a nested-PCR system, targeting the TbD1 region, involving the performance of conventional PCR followed by real-time PCR, was developed to detect Mycobacterium bovis in bovine/bubaline tissue homogenates. ...
    • Draft genome sequences of two mycobacterium bovis strains isolated from beef cattle in Paraguay 

      Sanabria, Lidia; Lagrave, Lorena; Nishibe, Christiane; Ribas, Augusto C.A.; Zumarraga, Martin Jose; Almeida, Nalvo Franco; Araujo, Flabio Ribeiro de (2017-07)
      This work reports the draft genome sequences of the Mycobacterium bovis strains M1009 and M1010, isolated from the lymph nodes of two infected cows on a beef farm in Paraguay. Comparative genomics between these strains and ...
    • Experimental selection of long‐term intracellular mycobacteria 

      Vazquez, Cristina Lourdes; Lerner, Thomas R.; Kasmapour, Bahram; Pei, Gang; Gronow, Achim; Bianco, María Veronica; Blanco, Federico Carlos; Bleck, Christopher K.E.; Geffers, Robert; Bigi, Fabiana; Abraham, Wolf-Rainer; Gutierrez, Maximiliano Gabriel (Wiley, 2014-09)
      Some intracellular bacteria are known to cause long‐term infections that last decades without compromising the viability of the host. Although of critical importance, the adaptations that intracellular bacteria undergo ...
    • Identification and evaluation of new Mycobacterium bovis antigens in the in vitro interferon gamma release assay for bovine tuberculosis diagnosis 

      Eirin, Maria Emilia; Macías, Analía; Magnano, Gabriel; Morsella, Claudia Graciela; Mendez, Laura Luján; Blanco, Federico Carlos; Bianco, María Veronica; Severina, Walter; Alito, Alicia Elsa; Pando, Maria de los Angeles; Singh, Mahavir G.; Spallek, Ralph; Paolicchi, Fernando; Bigi, Fabiana; Cataldi, Angel Adrian (Elsevier, 2015-12)
      Bovine tuberculosis (bTB) is a common zoonotic disease, caused by Mycobacterium bovis (M. bovis), responsible for significant economic losses worldwide. Its diagnosis is based on the detection of cell mediated immunity ...
    • Identification of four novel DC-SIGN ligands on Mycobacterium bovis BCG 

      Carroll, Maria V.; Sim, Robert B.; Bigi, Fabiana; Jäkel, Anne; Antrobus, Robin; Mitchell, Daniel A. (Springer, 2010-09)
      Dendritic-cell-specific intercellular adhesion molecule-3-grabbing non-integrin (DC-SIGN; CD209) has an important role in mediating adherence of Mycobacteria species, including M. tuberculosis and M. bovis BCG to human ...
    • Mycobacterium bovis requires P27 (LprG) to arrest phagosome maturation and replicate within bovine macrophages 

      Vazquez, Cristina Lourdes; Bianco, María Veronica; Blanco, Federico Carlos; Forrellad, Marina Andrea; Gutierrez, Maximiliano Gabriel; Bigi, Fabiana (2017-03)
      Mycobacterium bovis causes tuberculosis in a wide variety of mammals, with strong tropism for cattle and eventually humans. P27, also called LprG, is among the proteins involved in the mechanisms of the virulence and ...
    • Nuevas estrategias para el diagnóstico de la tuberculosis y paratuberculosis bovina 

      Mon, Maria Laura (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2015-09)
      La Tuberculosis (TBB) y Paratuberculosis bovina (PTB) son las principales enfermedades que limitan el desarrollo de la industria lechera y de la carne en Argentina, siendo importantes en el contexto de la Sanidad animal ...
    • Polymorphisms of 20 regulatory proteins between Mycobacterium tuberculosis and Mycobacterium bovis 

      Bigi, María Mercedes; Blanco, Federico Carlos; Araujo, Flabio Ribeiro de; Thacker, Tyler C.; Zumarraga, Martin Jose; Cataldi, Angel Adrian; Soria, Marcelo Abel; Bigi, Fabiana (2016)
      Mycobacterium tuberculosis and Mycobacterium bovis are responsible for tuberculosis in humans and animals, respectively. Both species are closely related and belong to the Mycobacterium tuberculosis complex (MTC). M. ...
    • Preparation of a working seed lot of BCG and quality control by PCR genotyping 

      Trovero, A.; Argüelles, Claudia; Cataldi, Angel Adrian (Asociación Argentina de Microbiología, 2010-04)
      The bacillus Calmette-Guérin (BCG) was obtained in 1920 after successive passages leading to the attenuation of a Mycobacterium bovis strain. For the following 40 years, BCG had been replicated, resulting in substrains ...
    • Respuesta inmune en terneros experimentalmente infectados con diferentes dosis de Mycobacterium bovis 

      Blanco, Federico Carlos; Bianco, María Veronica; Meikle, Virginia; Garbaccio, Sergio Gabriel; Vagnoni, Lucas Emilio; Cataldi, Angel Adrian; Bigi, Fabiana (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2011-08)
      La tuberculosis bovina es una enfermedad zoonótica producida por Mycobacterium bovis que afecta a animales de producción causando pérdidas económicas y representa, además, un problema para la salud pública. El conocimiento ...
    • Uso de Brucella abortus como vector para la expresión de antígenos heterólogos 

      Sabio Y Garcia, Julia Veronica (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2012-03)
      La brucelosis es una zoonosis bacteriana causada por especies del género Brucella. B. abortus S19 es la cepa vacunal en uso en nuestro país. Debido a su capacidad para despertar una respuesta inmune celular y humoral, B. ...