List of works by Ana R. Freitas

A hospital sewage ST17 Enterococcus faecium with a transferable Inc18-like plasmid carrying genes coding for resistance to antibiotics and quaternary ammonium compounds (qacZ).

scientific article published on 3 December 2014

A multiresistance megaplasmid pLG1 bearing a hylEfm genomic island in hospital Enterococcus faecium isolates

scientific article published on 15 October 2010

A tet(S/M) hybrid from CTn6000 and CTn916 recombination

scientific article published on 11 September 2012

Antibiotic susceptibility testing for therapy and antimicrobial resistance surveillance: genotype beats phenotype?

scientific article published in 2022

Clonal expansion within clonal complex 2 and spread of vancomycin-resistant plasmids among different genetic lineages of Enterococcus faecalis from Portugal

scientific article

Co-diversification of Enterococcus faecium Core Genomes and PBP5: Evidences of pbp5 Horizontal Transfer.

scientific article published on 06 October 2016

Co-infection with three linezolid-resistant Enterococcus faecium ST117 strain variants: what are we missing in diagnosis?

scientific article

Co-transfer of resistance to high concentrations of copper and first-line antibiotics among Enterococcus from different origins (humans, animals, the environment and foods) and clonal lineages

scientific article published on 15 December 2013

Comment on: Emergence of plasmid-mediated oxazolidinone resistance gene poxtA from CC17 Enterococcus faecium of pig origin

scientific article published on 16 October 2019

Detection of optrA in the African continent (Tunisia) within a mosaic Enterococcus faecalis plasmid from urban wastewaters.

scientific article

Dispersal of linezolid-resistant enterococci carrying poxtA or optrA in retail meat and food-producing animals from Tunisia

scientific article published on 01 October 2019

Dissemination of Staphylococcus epidermidis ST22 With Stable, High-Level Resistance to Linezolid and Tedizolid in the Greek-Turkish Region (2008-2016).

scientific article published on 12 February 2018

Distribution of putative virulence markers in Enterococcus faecium: towards a safety profile review.

scientific article published on 14 November 2017

Diversity of Tn1546 and its role in the dissemination of vancomycin-resistant enterococci in Portugal.

scientific article published on 7 January 2008

Filling the map for antimicrobial resistance in sub-Saharan Africa: ampicillin-resistant Enterococcus from non-clinical sources in Angola

scientific article published on 29 June 2015

Fourier transform infrared spectroscopy: unlocking fundamentals and prospects for bacterial strain typing

scientific article published on 27 November 2018

From farm to fork: identical clones and Tn6674-like elements in linezolid-resistant Enterococcus faecalis from food-producing animals and retail meat

scientific article published on 01 January 2020

Global spread of the hyl(Efm) colonization-virulence gene in megaplasmids of the Enterococcus faecium CC17 polyclonal subcluster

scientific article

High rates of colonization by ampicillin-resistant enterococci in residents at long-term care facilities in Porto, Portugal

scientific article

Host range of enterococcal vanA plasmids among Gram-positive intestinal bacteria.

scientific article

Microevolutionary events involving narrow host plasmids influences local fixation of vancomycin-resistance in Enterococcus populations

scientific article

Multilevel population genetic analysis of vanA and vanB Enterococcus faecium causing nosocomial outbreaks in 27 countries (1986-2012).

scientific article published on 15 August 2016

Non-susceptibility to tigecycline in enterococci from hospitalised patients, food products and community sources

scientific article published on 12 June 2011

Phylogenomics of Enterococcus faecalis from wild birds: new insights into host-associated differences in core and accessory genomes of the species

scientific article published on 04 July 2019

Rapid detection of high-risk Enterococcus faecium clones by matrix-assisted laser desorption ionization time-of-flight mass spectrometry

scientific article

Relevance of tcrYAZB operon acquisition for Enterococcus survival at high copper concentrations under anaerobic conditions.

scientific article published on 19 October 2015

Spread of multidrug-resistant Enterococcus to animals and humans: an underestimated role for the pig farm environment.

scientific article published on 16 July 2013

Successful application of the DiversiLab repetitive-sequence-based PCR typing system for confirmation of the circulation of a multiresistant Pseudomonas aeruginosa clone in different hospital wards

scientific article published on 24 March 2010

Transmission of Antibiotic Resistant Bacteria and Genes: Unveiling the Jigsaw Pieces of a One Health Problem

scientific article published on 22 June 2020

Update on prevalence and mechanisms of resistance to linezolid, tigecycline and daptomycin in enterococci in Europe: Towards a common nomenclature

scientific article published on 01 September 2018

Water supply and feed as sources of antimicrobial-resistant Enterococcus spp. in aquacultures of rainbow trout (Oncorhyncus mykiss), Portugal

scientific article published on 12 January 2018

Wild corvid birds colonized with vancomycin-resistant Enterococcus faecium of human origin harbor epidemic vanA plasmids

scientific article published on 02 June 2018

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