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C. Novais · SciRah

Researcher profile · Semantic Scholar

C. Novais

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C. Novais — researcher profile on SciRah

h-index: 34
Works: 176
Citations: 3,881

Most-cited papers

Update on prevalence and mechanisms of resistance to linezolid, tigecycline and daptomycin in enterococci in Europe: Towards a common nomenclature.
Jennifer K. Bender, V. Cattoir, Kristin Hegstad, E. Sadowy +12 more
2018Drug resistance updates247 citations Open access
Semantic Scholar
Apparent nosocomial adaptation of Enterococcus faecalis predates the modern hospital era
A. Pöntinen, J. Top, S. Arredondo-Alonso, G. Tonkin-Hill +17 more
2021Nature Communications97 citations Open access
Semantic Scholar
Enterococcus spp. as a Producer and Target of Bacteriocins: A Double-Edged Sword in the Antimicrobial Resistance Crisis Context
A. Almeida-Santos, C. Novais, L. Peixe, A. Freitas
2021Antibiotics76 citations Open access
Semantic Scholar
Food-to-Humans Bacterial Transmission
P. Antunes, C. Novais, L. Peixe
2019Microbiology spectrum72 citations
Semantic Scholar
Vancomycin-Resistant Enterococcus faecium: A current perspective on resilience, adaptation, and the urgent need for novel strategies.
A. Almeida-Santos, C. Novais, L. Peixe, A. Freitas
2025Journal of Global Antimicrobial Resistance62 citations Open access
Semantic Scholar
Distribution of putative virulence markers in Enterococcus faecium: towards a safety profile review
A. Freitas, A. Tedim, C. Novais, T. Coque +1 more
2018Journal of Antimicrobial Chemotherapy62 citations Open access
Semantic Scholar
Dispersal of linezolid-resistant enterococci carrying poxtA or optrA in retail meat and food-producing animals from Tunisia.
H. Elghaieb, A. Freitas, M. Abbassi, C. Novais +3 more
2019Journal of Antimicrobial Chemotherapy60 citations Open access
Semantic Scholar
Detection of optrA in the African continent (Tunisia) within a mosaic Enterococcus faecalis plasmid from urban wastewaters
A. Freitas, H. Elghaieb, Ricardo León-Sampedro, M. Abbassi +4 more
2017Journal of Antimicrobial Chemotherapy60 citations
Semantic Scholar
Comparative genomics of global optrA-carrying Enterococcus faecalis uncovers a common chromosomal hotspot for optrA acquisition within a diversity of core and accessory genomes
A. Freitas, A. Tedim, C. Novais, V. Lanza +1 more
2020Microbial Genomics52 citations Open access
Semantic Scholar
Tolerance to multiple metal stressors in emerging non-typhoidal MDR Salmonella serotypes: a relevant role for copper in anaerobic conditions.
J. Mourão, S. Marçal, P. Ramos, Joana Campos +4 more
2016Journal of Antimicrobial Chemotherapy49 citations
Semantic Scholar
Multidrug-resistant high-risk Enterococcus faecium clones: can we really define them?
A. Freitas, Ana P. Pereira, C. Novais, L. Peixe
2020International Journal of Antimicrobial Agents48 citations
Semantic Scholar
Co-diversification of Enterococcus faecium Core Genomes and PBP5: Evidences of pbp5 Horizontal Transfer
C. Novais, A. Tedim, V. Lanza, A. Freitas +7 more
2016Frontiers in Microbiology42 citations Open access
Semantic Scholar
Linezolid-resistant (Tn6246::fexB-poxtA) Enterococcus faecium strains colonizing humans and bovines on different continents: similarity without epidemiological link.
A. Freitas, A. Tedim, Bárbara Duarte, H. Elghaieb +6 more
2020Journal of Antimicrobial Chemotherapy40 citations
Semantic Scholar
Multilevel population genetic analysis of vanA and vanB Enterococcus faecium causing nosocomial outbreaks in 27 countries (1986-2012).
A. Freitas, A. Tedim, M. Francia, L. Jensen +12 more
2016Journal of Antimicrobial Chemotherapy39 citations Open access
Semantic Scholar
Diversity and Evolution of the Tn5801-tet(M)-Like Integrative and Conjugative Elements among Enterococcus, Streptococcus, and Staphylococcus
Ricardo León-Sampedro, C. Novais, L. Peixe, F. Baquero +1 more
2016Antimicrobial Agents and Chemotherapy38 citations Open access
Semantic Scholar
Water supply and feed as sources of antimicrobial-resistant Enterococcus spp. in aquacultures of rainbow trout (Oncorhyncus mykiss), Portugal.
C. Novais, Joana Campos, A. Freitas, M. Barros +4 more
2018Science of the Total Environment35 citations
Semantic Scholar
Inflow water is a major source of trout farming contamination with Salmonella and multidrug resistant bacteria.
P. Antunes, Joana Campos, J. Mourão, J. Pereira +2 more
2018Science of the Total Environment35 citations
Semantic Scholar
From farm to fork: identical clones and Tn6674-like elements in linezolid-resistant Enterococcus faecalis from food-producing animals and retail meat.
H. Elghaieb, A. Tedim, M. Abbassi, C. Novais +4 more
2019Journal of Antimicrobial Chemotherapy32 citations
Semantic Scholar
Distinction between Enterococcus faecium and Enterococcus lactis by a gluP PCR-Based Assay for Accurate Identification and Diagnostics
Mireya Viviana Belloso Daza, A. Almeida-Santos, C. Novais, A. Read +4 more
2022Microbiology spectrum31 citations Open access
Semantic Scholar
VirulenceFinder for Enterococcus faecium and Enterococcus lactis: an enhanced database for detection of putative virulence markers by using whole-genome sequencing data
L. Roer, H. Kaya, A. Tedim, C. Novais +6 more
2024Microbiology spectrum30 citations Open access
Semantic Scholar
Unraveling the Role of Metals and Organic Acids in Bacterial Antimicrobial Resistance in the Food Chain
A. Rebelo, Agostinho A. Almeida, L. Peixe, P. Antunes +1 more
2023Antibiotics29 citations Open access
Semantic Scholar
Bacteriocin distribution patterns in Enterococcus faecium and Enterococcus lactis: bioinformatic analysis using a tailored genomics framework
A. Tedim, A. Almeida-Santos, V. Lanza, C. Novais +3 more
2023bioRxiv27 citations Open access
Semantic Scholar
Industrial dog food is a vehicle of multidrug-resistant enterococci carrying virulence genes often linked to human infections.
Liliana Finisterra, Bárbara Duarte, L. Peixe, C. Novais +1 more
2021Journal of food microbiology27 citations
Semantic Scholar
Linezolid- and Multidrug-Resistant Enterococci in Raw Commercial Dog Food, Europe, 2019–2020
A. Freitas, Liliana Finisterra, A. Tedim, Bárbara Duarte +2 more
2021Emerging Infectious Diseases25 citations Open access
Semantic Scholar
Atypical Non-H2S-Producing Monophasic Salmonella Typhimurium ST3478 Strains from Chicken Meat at Processing Stage Are Adapted to Diverse Stresses
J. Mourão, A. Rebelo, S. Ribeiro, L. Peixe +2 more
2020Pathogens24 citations Open access
Semantic Scholar
Decoding Klebsiella pneumoniae in poultry chain: unveiling genetic landscape, antibiotic resistance, and biocide tolerance in non-clinical reservoirs
J. Mourão, Mafalda Magalhães, Marisa Ribeiro-Almeida, A. Rebelo +4 more
2024bioRxiv23 citations Open access
Semantic Scholar
The healthy human gut can take it all: vancomycin-variable, linezolid-resistant strains and specific bacteriocin-species interplay in Enterococcus spp.
A. Almeida-Santos, Bárbara Duarte, A. Tedim, Maria J. Teixeira +5 more
2024Applied and Environmental Microbiology23 citations Open access
Semantic Scholar
From Farm to Fork: Persistence of Clinically Relevant Multidrug-Resistant and Copper-Tolerant Klebsiella pneumoniae Long after Colistin Withdrawal in Poultry Production
J. Mourão, Marisa Ribeiro-Almeida, C. Novais, Mafalda Magalhães +5 more
2023bioRxiv21 citations Open access
Semantic Scholar
Wild corvid birds colonized with vancomycin-resistant Enterococcus faecium of human origin harbor epidemic vanA plasmids.
V. Oravcová, L. Peixe, T. Coque, C. Novais +3 more
2018Environment International21 citations
Semantic Scholar
Enterococcus spp. from chicken meat collected 20 years apart overcome multiple stresses occurring in the poultry production chain: Antibiotics, copper and acids.
A. Rebelo, Bárbara Duarte, C. Ferreira, J. Mourão +8 more
2022Journal of food microbiology20 citations Open access
Semantic Scholar
Diversity of metal and antibiotic resistance genes in Enterococcus spp. from the last century reflects multiple pollution and genetic exchange among phyla from overlapping ecosystems.
A. Rebelo, J. Mourão, A. Freitas, Bárbara Duarte +8 more
2021Science of the Total Environment20 citations Open access
Semantic Scholar
Clinical Salmonella Typhimurium ST34 with metal tolerance genes and an IncHI2 plasmid carrying oqxAB-aac(6')-Ib-cr from Europe.
Joana Campos, J. Mourão, S. Marçal, J. Machado +3 more
2016Journal of Antimicrobial Chemotherapy20 citations Open access
Semantic Scholar
The population-level impact of Enterococcus faecalis genetics on intestinal colonization and extraintestinal infection
C. Chaguza, A. Pöntinen, J. Top, S. Arredondo-Alonso +8 more
2023Microbiology spectrum19 citations Open access
Semantic Scholar
Tolerance to arsenic contaminant among multidrug-resistant and copper-tolerant Salmonella successful clones is associated with diverse ars operons and genetic contexts.
J. Mourão, A. Rebelo, S. Ribeiro, L. Peixe +2 more
2020Environmental Microbiology17 citations
Semantic Scholar
Fitness cost of vancomycin-resistant Enterococcus faecium plasmids associated with hospital infection outbreaks
A. Tedim, V. Lanza, Concepción M. Rodríguez, A. Freitas +4 more
2021bioRxiv16 citations Open access
Semantic Scholar
Rapid detection of high-risk Enterococcus faecium clones by matrix-assisted laser desorption ionization time-of-flight mass spectrometry.
A. Freitas, C. Sousa, C. Novais, Liliana P. Silva +4 more
2017Diagnostic microbiology and infectious disease14 citations
Semantic Scholar
High rates of colonisation by ampicillin-resistant enterococci in residents of long-term care facilities in Porto, Portugal.
A. Freitas, C. Novais, Bárbara Duarte, Ana P. Pereira +2 more
2017International Journal of Antimicrobial Agents14 citations Open access
Semantic Scholar
Raw meat-based diet for pets: a neglected source of human exposure to Salmonella and pathogenic Escherichia coli clones carrying mcr, Portugal, September 2019 to January 2020
Marisa Ribeiro-Almeida, J. Mourão, Mafalda Magalhães, A. Freitas +3 more
2024Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin13 citations Open access
Semantic Scholar
Pet Food Safety: Emerging bacterial hazards and implications for Public Health
P. Antunes, C. Novais, L. Peixe, A. Freitas
2024Current Opinion in Food Science13 citations Open access
Semantic Scholar
2CS-CHXT Operon Signature of Chlorhexidine Tolerance among Enterococcus faecium Isolates
Bárbara Duarte, Ana P. Pereira, A. Freitas, T. Coque +5 more
2019Applied and Environmental Microbiology13 citations Open access
Semantic Scholar
Phylogenomics of Enterococcus faecalis from wild birds: new insights into host-associated differences in core and accessory genomes of the species.
Ricardo León-Sampedro, R. del Campo, M. Rodríguez-Baños, V. Lanza +11 more
2019Environmental Microbiology12 citations Open access
Semantic Scholar
Current insights into the effects of cationic biocides exposure on Enterococcus spp.
Ana P. Pereira, P. Antunes, L. Peixe, A. Freitas +1 more
2024Frontiers in Microbiology11 citations Open access
Semantic Scholar
Unraveling Enterococcus susceptibility to quaternary ammonium compounds: genes, phenotypes, and the impact of environmental conditions
Ana P. Pereira, P. Antunes, Paula Bierge, R. Willems +6 more
2023Microbiology spectrum11 citations Open access
Semantic Scholar
Evolution of Chlorhexidine Susceptibility and of the EfrEF Operon among Enterococcus faecalis from Diverse Environments, Clones, and Time Spans
Ana P. Pereira, P. Antunes, R. Willems, J. Corander +4 more
2022bioRxiv10 citations Open access
Semantic Scholar
A hospital sewage ST17 Enterococcus faecium with a transferable Inc18-like plasmid carrying genes coding for resistance to antibiotics and quaternary ammonium compounds (qacZ).
Eduarda Silveira, P. Marques, A. Freitas, J. Mourão +4 more
2015Journal of Global Antimicrobial Resistance10 citations
Semantic Scholar
High-Resolution Genotyping Unveils Identical Ampicillin-Resistant Enterococcus faecium Strains in Different Sources and Countries: A One Health Approach
A. Freitas, A. Tedim, A. Almeida-Santos, Bárbara Duarte +5 more
2022Microorganisms9 citations Open access
Semantic Scholar
Transmission of Antibiotic Resistant Bacteria and Genes: Unveiling the Jigsaw Pieces of a One Health Problem
C. Novais, A. Freitas
2020Pathogens9 citations Open access
Semantic Scholar
MicroMundo@UPorto: an experimental microbiology project fostering student's antimicrobial resistance awareness and personal and social development.
P. Antunes, C. Novais, Â. Novais, F. Grosso +7 more
2021FEMS Microbiology Letters8 citations Open access
Semantic Scholar
Dissemination of Staphylococcus epidermidis ST22 With Stable, High-Level Resistance to Linezolid and Tedizolid in the Greek-Turkish Region (2008–2016)
A. Freitas, A. R. Dilek, L. Peixe, C. Novais
2018Infection Control & Hospital Epidemiology8 citations Open access
Semantic Scholar
Unnoticed spread of linear VanA-plasmids in vancomycin-variable Enterococcus faecium strains across different regions: a diagnostics challenge.
A. Almeida-Santos, A. Tedim, Bárbara Duarte, L. M. Silva +5 more
2025Journal of Antimicrobial Chemotherapy7 citations
Semantic Scholar

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