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Mostrando ítems 1-20 de 27

    • A phenotypic characterization of two isolates of a multidrug-resistant outbreak strain of mycobacterium tuberculosis with opposite epidemiological fitness 

      Bei, Jinlong; Bigi, María Mercedes; Lima, Analía; Zhang, Qi; Blanco, Federico Carlos; López, Beatriz; Yu, Ting; Wang, Zhilin; Dai, Zhangyan; Chen, Zhuang; Cataldi, Angel Adrian; Sasiain, María del Carmen; Ritacco, Viviana; De la Barrera, Silvia Susana; Soria, Marcelo Abel; Durán, Rosario; Bigi, Fabiana (Hindawi, 2020-04)
      Tuberculosis (TB) is an infectious disease, caused by Mycobacterium tuberculosis, primarily affecting the lungs. The M. tuberculosis strain of the Haarlem family named M was responsible for a large multidrug-resistant TB ...

    • A transcriptional analysis of cattle immune cells reveals a central role of type 1 interferon in the In vitro innate immune response against Mycobacterium bovis 

      Blanco, Federico Carlos; Bigi, María Mercedes; Garcia, Elizabeth Andrea; Elola, María Teresa; Vazquez, Cristina Lourdes; Bigi, Fabiana (MDPI, 2023-09)
      Bovine tuberculosis is a chronic infectious disease primarily caused by Mycobacterium bovis, a bacterium that affects cattle and other mammals, including humans. Despite the availability of vast research about the immune ...

    • 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 ...

    • Assessment of tuberculosis biomarkers in paratuberculosis-infected cattle 

      Klepp, Laura Ines; Colombatti Olivieri, Maria Alejandra; Moyano, Roberto Damian; Romano, Maria Isabel; Malovrh, Tadej; Ocepek, Matjaž; Blanco, Federico Carlos; Bigi, Fabiana (Sciendo, 2023-03)
      Introduction: Mycobacterium bovis and Mycobacterium avium subsp. paratuberculosis, respectively the causative agents of bovine tuberculosis (bTB) and bovine paratuberculosis (PTB), share a high number of antigenic proteins. ...

    • Bovine macrophages responses to the infection with virulent and attenuated Leptospira interrogans serovar Pomona 

      Nagel, Ariel Gaston; Vazquez, Cristina Lourdes; Etulain, Julia; Blanco, Federico Carlos; Gravisaco, María José; Gomez, Ricardo Martín; Caimi, Karina Cynthia (Elsevier, 2019-06)
      Leptospirosis is a zoonosis, caused by pathogenic spirochetes of the genus Leptospira. Although cattle are usually the maintenance hosts of serovar Hardjo, Pomona is the most frequent serovar circulating in Argentina. The ...

    • 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 ...

    • Does Mycobacterium bovis persist in cattle in a non-replicative latent state as Mycobacterium tuberculosis in human beings? 

      Sabio Y Garcia, Julia Veronica; Bigi, María Mercedes; Klepp, Laura Ines; Garcia, Elizabeth Andrea; Blanco, Federico Carlos; Bigi, Fabiana (Elsevier, 2020-08)
      Members of the Mycobacterium tuberculosis complex (MTBC) are responsible for tuberculosis in several mammals. In this complex, Mycobacterium tuberculosis and Mycobacterium bovis, which are closely related, show host ...

    • Draft genome sequence of Mycobacterium bovis 04-303, a highly virulent strain from Argentina 

      Nishibe, Christiane; Canevari Castelão, Ana Beatriz; Dalla Costa, Ricardo; Pinto, Beatriz Jeronimo; Varuzza, Leonardo; Cataldi, Angel Adrian; Bernardelli, Amelia; Bigi, Fabiana; Blanco, Federico Carlos; Zumarraga, Martin Jose; Almeida, Nalvo Franco; Araujo, Flabio Ribeiro de (American Society for Microbiology, 2013-11)
      Mycobacterium bovis strain 04-303 was isolated from a wild boar living in a free-ranging field in Argentina. This work reports the draft genome sequence of this highly virulent strain and the genomic comparison of its major ...

    • ERAP1 and PDE8A are downregulated in cattle protected against bovine tuberculosis 

      Blanco, Federico Carlos; Soria, Marcelo Abel; Klepp, Laura Ines; Bigi, Fabiana (Karger, 2017-12)
      Bovine tuberculosis (bTB) is a zoonotic disease caused by Mycobacterium bovis that is responsible for significant economic losses worldwide. In spite of its relevance, the limited knowledge about the host immune responses ...

    • 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 ...

    • FasR regulates fatty acid biosynthesis and is essential for virulence of Mycobacterium tuberculosis 

      Mondino, Sonia; Vazquez, Cristina Lourdes; Cabruja, Matias; Sala, Claudia; Cazenave-Gassiot, Amaury; Blanco, Federico Carlos; Wenk, Markus R.; Bigi, Fabiana; Cole, Stewart T.; Gramajo, Hugo; Gago, Gabriela (Frontiers Media, 2020-10)
      Mycobacterium tuberculosis, the etiologic agent of human tuberculosis, is the world’s leading cause of death from an infectious disease. One of the main features of this pathogen is the complex and dynamic lipid composition ...

    • 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 bovine tuberculosis biomarkers to detect tuberculin skin test and IFNγ release assay false negative cattle 

      Klepp, Laura Ines; Eirin, Maria Emilia; Garbaccio, Sergio Gabriel; Soria, Marcelo Abel; Bigi, Fabiana; Blanco, Federico Carlos (Elsevier, 2019-02)
      Bovine tuberculosis (bTB) is an important animal and zoonotic disease, which causes severe economic losses. The main focus of this study was to assess the predictive power of previously identified biomarkers of bTB in ...

    • Metabolic profile of mycobacterium smegmatis reveals Mce4 proteins are relevant for cell wall lipid homeostasis 

      Santangelo, María De La Paz; Heuberger, Adam; Blanco, Federico Carlos; Forrellad, Marina Andrea; Taibo, Catalina Beatriz; Klepp, Laura Ines; Sabio y Garcia, Julia Veronica; Nikel, Pablo I.; Jackson, Mary; Bigi, Fabiana (2016)
      Introduction The Mce proteins are encoded in a variable number of operons (from one to eight) in all Mycobacterium species. A role in the transport of host and mycobacterial lipids has been demonstrated for some Mce proteins ...

    • Mycobacterium bovis deleted in mce2 and phoP loci protects C57BL/6 mice against tuberculosis 

      Garcia, Elizabeth Andrea; Bianco, Marí­a Veronica; Blanco, Federico Carlos; Bigi, Fabiana (2016)
      Here we confirm the efficacy of MbΔmce2-phoP to protect mice against bTB challenge and we demonstrated that this new attenuated strain is safer than our previous bTB vaccine MbΔmce2. Altogether ...

    • Mycobacterium bovis Dmce2 double deletion mutant protects cattle against challenge with virulent M. bovis 

      Blanco, Federico Carlos; Bianco, María Veronica; Garbaccio, Sergio Gabriel; Meikle, Virginia; Gravisaco, María José; Montenegro, Valeria Noely; Alfonseca, Edgar; Singh, Mahavir G.; Barandiaran, Soledad; Canal, Ana María; Vagnoni, Lucas Emilio; Buddle, Bryce Malcom; Bigi, Fabiana; Cataldi, Angel Adrian (Elsevier, 2013-05)
      A Mycobacterium bovis strain deleted in mce2A and mce2B genes (M. bovis Δmce2) was tested as an experimental vaccine in cattle challenged with a virulent M. bovis strain. Three-and-a-half-month old calves (n = 5 to 6 per ...

    • 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 ...

    • 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. ...

    • Recent advances in non-specific immune memory against bovine tuberculosis 

      Blanco, Federico Carlos; Sabio Y Garcia, Julia Veronica; Bigi, Fabiana (Elsevier, 2021-04)
      Bovine tuberculosis is an important worldwide disease mainly related to cattle, although it also affects other mammals, including humans. In recent years, there have been considerable advances in the knowledge of the immune ...

    • Replication and transmission features of two experimental vaccine candidates against bovine tuberculosis subcutaneously administrated in a murine model 

      Ferrara Muñiz, Ximena; Garcia, Elizabeth Andrea; Blanco, Federico Carlos; Bigi, Fabiana; Zumarraga, Martin Jose; Cataldi, Angel Adrian; Eirin, Maria Emilia (Elsevier, 2022-05)
      Cattle vaccination is an attractive approach in compliance with control and eradication programs against Bovine Tuberculosis (bTB). Today, there is no anti bTB vaccine licensed. Two vaccine candidates, MbΔmce2 and MbΔmce2-phoP ...