• Office
  • PAHL 3821
  • 54497

Grazieli Maboni

Assistant Professor   |   DVM, MSc, PhD, Diplomate ACVM


Grazieli Maboni is a board-certified veterinary microbiologist with primary interest on the application of diagnostic tools to solve animal and human health problems. She also has a special interest for veterinary education and is enthusiastic about contributing with the training of the next generation of animal health professionals.

Research Interests

  • Surveillance of antimicrobial resistance of bacterial and fungal pathogens
  • Pathogen discovery in the context of clinical bacteriology, virology and mycology
  • Novel genomic tools to advance diagnostics of animal infectious diseases
  • Development of sequencing approaches that can be incorporated into clinical diagnostic workflows


  • VETM*3450 Principles of Disease in Veterinary Medicine (Virology)
  • OVC Phase 4 rotations – Clinical Microbiology

Professional Experience & Honours

  • Diplomate American College of Veterinary Microbiologists (2020) - Virology
  • Diplomate American College of Veterinary Microbiologists (2019) - Bacteriology/Mycology
  • Residency in Clinical Microbiology (2020) - University of Georgia (United States)
  • PhD (2017) - University of Nottingham (United Kingdom)
  • Teaching certification (2015) - Associate fellow, Higher Education Academy (United Kingdom)
  • MSc (2013) - Federal University of Santa Maria (Brazil)
  • DVM (2012) - Federal University of Santa Maria (Brazil)


Selected Publications


  • Maboni G; Blanchard A; Frosth S; Stewart C; Aspan C; Emes R; Tötemeyer S. A distinct bacterial dysbiosis associated skin inflammation in ovine footrot. Scientific Reports, 2017.
  • Maboni G; Davenport R; Sessford K; Jensen T., Blanchard A; Tötemeyer S. A novel 3D skin explant model to study anaerobic bacterial infection. Frontiers in Cellular and Infection Microbiology, 2017.
  • Maboni G; Seguel M; Lorton A; Sanchez S. Antimicrobial resistance patterns of Acinetobacter spp. of animal origin reveal high rate of multidrug resistance. Veterinary Microbiology, 2020.
  • Maboni G; Gressler LT; Espindola JP; Schwab M; Tasca C; Potter L; Vargas AC. Differences in the antimicrobial susceptibility profiles of Moraxella bovis, M. bovoculi and M. ovis. Brazilian Journal of Microbiology, 2015.
  • Maboni G; Frosth S; Aspan A; Totemeyer S. Ovine footrot: new insights into bacterial colonisation. Veterinary Record, 2016.
  • Kowalski A; Maboni G; Trevisan L; Espíndola JP; Balzan C; Tasca C; Guizzo JA; Frandoloso R; Vargas AC. Antigenic characterization of Moraxella bovis, Moraxella bovoculi and Moraxella ovis strains with potential use in vaccines. Veterinary Microbiology, 2017.
  • Kowalski A; Maboni G; Trevisan L; Espíndola JP; Balzan C; Tasca C; Guizzo JA; Frandoloso R; Vargas AC. Antigenic characterization of Moraxella bovis, Moraxella bovoculi and Moraxella ovis strains with potential use in vaccines. Veterinary Microbiology, 2017.
  • Farias L; Maboni G; Matter L; Scherer CC; Libardoni F; Vargas AC. Phylogenetic analysis and genetic diversity of 3` region of rtxA gene from geographically diverse strains of Moraxella bovis, Moraxella bovoculi and Moraxella ovis. Veterinary Microbiology, 2015.
  • Warren J; Owen R; Glanvill A; Francis A; Maboni G; Nova RJ; Wapenaar W; Rees C; Totemeyer S. A new bovine conjunctiva model shows that Listeria monocytogenes invasion is associated with lysozyme resistance. Veterinary Microbiology, 2015.
  • Blanchard A; Billenness R; Warren J; Glanvill A; Maboni G; Robinson R; Rees CE; Pfarrer C; Tötemeyer S. Characterisation of Listeria monocytogenes isolates from cattle using a bovine caruncular epithelial cell model. Heliyon, 2020.
  • Seguel S; George N; Maboni G; Sanchez S; Page-Karjian A; Gottdenker NL. Pathologic findings and causes of death in bottlenose dolphins (Tursiops truncatus) stranded along the Georgia Coast, USA (2009–2013). Diseases of Aquatic Microorganisms, 2020.
  • Blanchard A; Jolley K; Maiden M; Coffey T; Maboni G; Staley C; Bollard N; Warry A; Emes R; Davies P; Tötemeyer S. The Applied development of a tiered multilocus sequence typing (MLST) scheme for Dichelobacter nodosus. Frontiers in Microbiology, 2018.
  • Batista D; Freitas O; Almeida A; Maboni G; de Carvalho TF; Junior AB. Evaluation of pathogenicity of Salmonella Gallinarum strains harbouring deletions in genes whose orthologues are conserved pseudogenes in S. Pullorum. PloS ONE, 2018.
  • Santurio DF; Matiuzzi M; Maboni G; Cavalheiro C; Pozzo MD; Alves SH. Antimicrobial activity of spice essential oils against Escherichia coli strains isolated from poultry and cattle.  Ciencia Rural, 2011.
  • Agbaje M; Rutland C; Maboni G; Blanchard A; Bexon M; Stewart C; Totemeyer S. Novel inflammatory cell infiltration scoring system to investigate healthy and footrot affected ovine interdigital skin. PeerJ, 2018.


  • Maboni G; Elbert J; Stilwell J; Sanchez S. Genomic and pathology findings of Prototheca cutis infection in a cat. Emerging Infectious Diseases, 2021.
  • Cavalheiro A; Maboni G; Azevedo M; Argenta J; Pereira D; Spader TB; Alves S; Santurio J. In vitro activity of terbinafine combined with caspofungin and azoles against Pythium insidiosum. Antimicrobial Agents and Chemotherapy, 2009.
  • Maboni G; Krimer P; Baptista R; Lorton A; Sanchez S. Laboratory diagnostics, phylogenetic analysis and clinical outcome of a subcutaneous Mycoleptodiscus indicus infection in an immunocompetent cat. BMC Veterinary Research, 2019.
  • Argenta J; Alves S; Silveira F; Maboni G; Zanette R; Cavalheiro A; Pereira PL; Pereira D; Sallis E; Santurio J; Ferreira L. In vitro and in vivo susceptibility of two-drug and three-drug combinations of Terbinafine, Itraconazole, Caspofungin, Ibuprofen and Fluvastatin against Pythium insidiosum. Veterinary Microbiology, 2012.
  • Bach B; Leal D; Ruchel J; Souza V; Maboni G; Pozzo MD; Schlemmer KB; Alves S; Santurio J. Immunotherapy for pythiosis: Effect on NTPDase activity in lymphocytes of an experimental model. Biomedicine & Pharmacotherapy, 2010.
  • Argenta J; Alves S; Silveira F; Maboni G; Pereira D; Spanamberg A. In vitro paradoxical growth of Pythium insidiosum in the presence of caspofungin. Veterinary Microbiology, 2010.


  • Maboni G; Seguel M; Lorton A; Berghaus R; Sanchez S. Canine infectious respiratory disease: new insights into the aetiology and epidemiology of associated pathogens. Plos ONE, 2019.
  • Dalton M; Siepker C; Maboni G; Sanchez S; Rissi D. Ocular and lacrimal gland lesions in naturally occurring rabies of domestic and wild mammals. Veterinary Pathology, 2020.
  • Kokosinska A; Maboni G; Kelly K; Molesan A; Sanchez S; Saliki J; Rissi D. Necrotizing meningoencephalitis associated with parvoviral infection in cats. Veterinary Pathology, 2019.
  • Stimmelmayr R; Rotstein D; Maboni G; Person TB; Sanchez S. Morbillivirus associated lipid pneumonia in arctic foxes (Vulpes lagopus). Journal of Veterinary Diagnostic and Investigation, 2018.