Ana Raquel Freitas


DL 57 contract (since 2018)
Personal Website
Phone number
+351 220428580
Researcher ID
Ciência Vitae

Main publications

  • Freitas, AR; Dilek, AR; Peixe, L; Novais, C. 2018. Dissemination of Staphylococcus epidermidis ST22 With Stable, High-Level Resistance to Linezolid and Tedizolid in the Greek-Turkish Region (2008-2016). INFECTION CONTROL AND HOSPITAL EPIDEMIOLOGY, 39, DOI: 10.1017/ice.2018.5
  • Freitas, AR; Tedim, AP; Novais, C; Coque, TM; Peixe, L. 2018. Distribution of putative virulence markers in Enterococcus faecium: towards a safety profile review. JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY, 73, DOI: 10.1093/jac/dkx387
  • Freitas, AR; Novais, C; Duarte, B; Pereira, AP; Coque, TM; Peixe, L. 2018. High rates of colonisation by ampicillin-resistant enterococci in residents of long-term care facilities in Porto, Portugal. INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS, 51, DOI: 10.1016/j.ijantimicag.2017.11.007
  • Novais, C; Campos, J; Freitas, AR; Barros, M; Silveira, E; Coque, TM; Antunes, P; Peixe, L. 2018. Water supply and feed as sources of antimicrobial-resistant Enterococcus spp. in aquacultures of rainbow trout (Oncorhyncus mykiss), Portugal. SCIENCE OF THE TOTAL ENVIRONMENT, 625, DOI: 10.1016/j.scitotenv.2017.12.265

Main research interests

  • Epidemiology, evolution and ecology of Enterococcus from different hosts (humans, animals, environment)
  • Genetic basis for transmission of antibiotic resistance; typing of emergent antibiotic resistance mechanisms
  • Bacteriology and Antibiotic Resistance; Clinical Microbiology; Diagnostics and Infectious Diseases; Surveillance; Typing; Public Health; Food Safety
  • Omics high-throughput methods including genomics, proteomics and cellular macromolecules analysis


  • PhD in Microbiology, Faculty of Pharmacy, University of Porto (2011)
  • Graduation in Pharmaceutical Sciences, Faculty of Pharmacy, University of Porto (2004)