• 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. ...
    • Development and evaluation of a low cost IgG ELISA test based in RBD protein for COVID-19 

      Villafañe, Luciana María; Gallo Vaulet, Maria Lucia; Viere, Florencia M.; Klepp, Laura Ines; Forrellad, Marina Andrea; Bigi, María Mercedes; Romano, Maria Isabel; Magistrelli, Giovanni; Rodríguez Fermepin, Marcelo; Bigi, Fabiana (Elsevier, 2022-01)
      Serology tests for SARS-CoV-2 have proven to be important tools to fight against the COVID-19 pandemic. These serological tests can be used in low-income and remote areas for patient contact tracing, epidemiologic studies ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Mycobacterial MCE proteins as transporters that control lipid homeostasis of the cell wall 

      Klepp, Laura Ines; Sabio Y Garcia, Julia Veronica; Bigi, Fabiana (Elsevier, 2022-01)
      Mammalian cell entry (mce) genes are not only present in genomes of pathogenic mycobacteria, including Mycobacterium tuberculosis (the causative agent of tuberculosis), but also in saprophytic and opportunistic mycobacterial ...
    • Role of PhoPR in the response to stress of Mycobacterium bovis 

      Garcia, Elizabeth Andrea; Blanco, Federico Carlos; Klepp, Laura Ines; Pazos, Adriana Alejandra; McNeil, Michael; Jackson, Mary; Bigi, Fabiana (Elsevier, 2021-02)
      PhoP is part of the two-component PhoPR system that regulates the expression of virulence genes of Mycobacteria. The goal of this work was to elucidate the role of PhoP in the mechanism that Mycobacterium bovis, the causative ...
    • Rv2617c and P36 are virulence factors of pathogenic mycobacteria involved in resistance to oxidative stress 

      Forrellad, Marina Andrea; Vazquez, Cristina Lourdes; Blanco, Federico Carlos; Klepp, Laura Ines; Garcia, Elizabeth Andrea; Rocha, Rosana Valeria; Villafañe, Luciana Maria; Bigi, María Mercedes; Gutierrez, Maximiliano Gabriel; Bigi, Fabiana (Taylor & Francis, 2019-12)
      In this study, we characterized the role of Rv2617c in the virulence of Mycobacterium tuberculosis. Rv2617c is a protein of unknown function unique to M. tuberculosis complex (MTC) and Mycobacterium leprae. In vitro, this ...
    • Study of the in vivo role of Mce2R, the transcriptional regulator of mce2 operon in Mycobacterium tuberculosis 

      Forrellad, Marina Andrea; Bianco, María Veronica; Blanco, Federico Carlos; Nuñez, Javier; Klepp, Laura Ines; Vazquez, Cristina Lourdes; Santangelo, María De La Paz; Rocha, Rosana Valeria; Soria, Marcelo; Golby, Paul; Gutierrez, Maximiliano Gabriel; Bigi, Fabiana (BMC, 2013-09)
      Background: Tuberculosis is one of the leading causes of mortality throughout the world. Mycobacterium tuberculosis, the agent of human tuberculosis, has developed strategies involving proteins and other compounds called ...
    • Virulence factors of the Mycobacterium tuberculosis complex 

      Forrellad, Marina Andrea; Klepp, Laura Ines; Gioffre, Andrea; Sabio y Garcia, Julia Veronica; Morbidoni, Hector R.; Santangelo, María De La Paz; Cataldi, Angel Adrian; Bigi, Fabiana (Taylor & Francis, 2013-01)
      The Mycobacterium tuberculosis complex (MTBC) consists of closely related species that cause tuberculosis in both humans and animals. This illness, still today, remains to be one of the leading causes of morbidity and ...