Luísa Maria Sobreira Vieira Peixe

Research Lab Leader

Associate Professor with "Agregação" (since 2006)
Phone number
Researcher ID

Main publications

  • Mendes, AC; Novais, A; Campos, J; Rodrigues, C; Santos, C; Antunes, P; Ramos, H; Peixe, L. 2018. mcr-1 in Carbapenemase-Producing Klebsiella pneumoniae in Hospitalized Patients, Portugal, 2016-2017. EMERGING INFECTIOUS DISEASES, 24, DOI: 10.3201/eid2404.171787
  • Botelho, J; Grosso, F; Quinteira, S; Brilhante, M; Ramos, H; Peixe, L. 2018. Two decades of bla(VIM-2)-producing Pseudomonas aeruginosa dissemination: an interplay between mobile genetic elements and successful clones. JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY, 73, DOI: 10.1093/jac/dkx517
  • 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; Elghaieb, H; Leon-Sampedro, R; Abbassi, MS; Novais, C; Coque, TM; Hassen, A; Peixe, L. 2017. Detection of optrA in the African continent (Tunisia) within a mosaic Enterococcus faecalis plasmid from urban wastewaters. JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY, 72, DOI: 10.1093/jac/dkx321
  • Rodrigues, C; Novais, A; Sousa, C; Ramos, H; Coque, TM; Canton, R; Lopes, JA; Peixe, L. 2017. Elucidating constraints for differentiation of major human Klebsiella pneumoniae clones using MALDI-TOF MS. EUROPEAN JOURNAL OF CLINICAL MICROBIOLOGY & INFECTIOUS DISEASES, 36, DOI: 10.1007/s10096-016-2812-8
  • Botelho, J; Grosso, F; Quinteira, S; Mabrouk, A; Peixe, L. 2017. The complete nucleotide sequence of an IncP-2 megaplasmid unveils a mosaic architecture comprising a putative novel bla(VIM-2)-harbouring transposon in Pseudomonas aeruginosa. JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY, 72, DOI: 10.1093/jac/dkx143
  • Mabrouk, A; Grosso, F; Botelho, J; Achour, W; Ben Hassen, A; Peixe, L. 2017. GES-14-Producing Acinetobacter baumannii Isolates in a Neonatal Intensive Care Unit in Tunisia Are Associated with a Typical Middle East Clone and a Transferable Plasmid. ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 61, DOI: 10.1128/AAC.00142-17
  • Freitas, AR; Novais, C; Read, A; Alves, V; Peixe, L. 2016. Co-infection with three linezolid-resistant Enterococcus faecium ST117 strain variants: what are we missing in diagnosis?. INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS, 47, DOI: 10.1016/j.ijantimicag.2016.03.011
  • Ribeiro, TG; Novais, A; Branquinho, R; Machado, E; Peixe, L. 2015. Phylogeny and Comparative Genomics Unveil Independent Diversification Trajectories of qnrB and Genetic Platforms within Particular Citrobacter Species. ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 59, DOI: 10.1128/AAC.00027-15
  • Novais, A; Brilhante, M; Pires, J; Peixe, L. 2015. Evaluation of the Recently Launched Rapid Carb Blue Kit for Detection of Carbapenemase-Producing Gram-Negative Bacteria. JOURNAL OF CLINICAL MICROBIOLOGY, 53, DOI: 10.1128/JCM.01170-15
  • Branquinho, R; Meirinhos-Soares, L; Carrico, JA; Pintado, M; Peixe, LV. 2014. Phylogenetic and clonality analysis of Bacillus pumilus isolates uncovered a highly heterogeneous population of different closely related species and clones. FEMS MICROBIOLOGY ECOLOGY, 90, DOI: 10.1111/1574-6941.12426
  • Sousa, C; Silva, L; Grosso, F; Nemec, A; Lopes, J; Peixe, L. 2014. Discrimination of the Acinetobacter calcoaceticus-Acinetobacter baumannii complex species by Fourier transform infrared spectroscopy. EUROPEAN JOURNAL OF CLINICAL MICROBIOLOGY & INFECTIOUS DISEASES, 33, DOI: 10.1007/s10096-014-2078-y
  • Rodrigues, C; Novais, A; Machado, E; Peixe, L. 2014. Detection of VIM-34, a novel VIM-1 variant identified in the intercontinental ST15 Klebsiella pneumoniae clone. JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY, 69, DOI: 10.1093/jac/dkt314
  • Pires, J; Novais, A; Peixe, L. 2013. Blue-Carba, an Easy Biochemical Test for Detection of Diverse Carbapenemase Producers Directly from Bacterial Cultures. JOURNAL OF CLINICAL MICROBIOLOGY, 51, DOI: 10.1128/JCM.0163-13
  • Novais, A; Vuotto, C; Pires, J; Montenegro, C; Donelli, G; Coque, TM; Peixe, L. 2013. Diversity and biofilm-production ability among isolates of Escherichia coli phylogroup D belonging to ST69, ST393 and ST405 clonal groups. BMC MICROBIOLOGY, 13, DOI: 10.1186/1471-2180-13-144
  • Grosso, F; Quinteira, S; Poirel, L; Novais, A; Peixe, L. 2012. Role of Common bla(OXA-24/OXA-40)-Carrying Platforms and Plasmids in the Spread of OXA-24/OXA-40 among Acinetobacter Species Clinical Isolates. ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 56, DOI: 10.1128/AAC.06255-11
  • Novais, A; Pires, J; Ferreira, H; Costa, L; Montenegro, C; Vuotto, C; Donelli, G; Coque, TM; Peixe, L. 2012. Characterization of Globally Spread Escherichia coli ST131 Isolates (1991 to 2010). ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 56, DOI: 10.1128/AAC.00475-12

Main research interests

  • Elucidation of bacterial resistance/tolerance mechanisms to antimicrobials
  • Transmission and evolution of antibiotic resistant bacteria in different ecological niches
  • Biomarkers identification, design and production of quick, inexpensive tools for the diagnosis, treatment, and prevention of diseases.
  • Female Urinary Microbiota in Health and Disease
  • Enhance the efficacy of industrial processes for the production of safe, sustainable and high quality food


  • "Agregação" in Microbiology, Faculdade de Farmácia- Univ. do Porto (1996)