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301 Characterization of bactericidal activity of new NHC carbenes and their Cu(I) and Ag(I) complexes against pathogenic bacteria

Raquel Pereira Portela 1- Microbial Stress Lab, UCIBIO, NOVA School of Science and Technology, NOVA University Lisbon, Portugal, 2- Associate Laboratory i4HB -Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, Portugal. rp.portela@fct.unl.pt Mariella Malefioudaki 1,2, Catarina F. G. Oliveira 1, 2, Tatiana Van der Kellen 1,2, Inês L. Roque 3, Maria Viana 3, Vitor Rosa 3, Sofia Rocha Pauleta 1,2 1- Microbial Stress Lab, UCIBIO, NOVA School of Science and Technology, NOVA University Lisbon, Portugal, 2- Associate Laboratory i4HB -Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, Portugal, 3- LAQV-REQUIMTE, DQ, NOVA School of Science and Technology, NOVA University Lisbon, Portugal.

300 UNCOVERING THE COMMENSALISM VS PATHOGENICITY IN STAPHYLOCOCCUS EPIDERMIDIS – A COMBINED GENOMIC/PROTEOMIC APPROACH

Ana Varela Coelho ITQB NOVA varela@itqb.unl.pt Vanessa Magalhães1, Diana Espadinha1, Inês Moura1, Sandra Anjo2,3, Herminia de Lencastre1, Rita Sobral4, Bruno Manadas2, Maria Miragaia1* and Ana Varela Coelho1* 1Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal), 2CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal, 3Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal, 4Laboratory of Molecular Microbiology of Bacterial Pathogens, UCIBIO-REQUIMTE, Faculty of Sciences and Technology, Universidade Nova, Caparica, Portugal

299 ESBL and AmpC producing Enterobacterales in urban waters of Douro River in Portugal – Is the environment a mirror of community intestinal colonization?

Josman Dantas Palmeira 1UCIBIO - Applied Molecular Biosciences Unit – University of Porto, Porto, Portugal, 2CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, Aveiro, Portugal, 3PICTIS - International Platform for Science, Technology and Innovation in Health, Fiocruz, Brazil & University of Aveiro, Portugal. josmandantasp@gmail.com Inah do Arte4, Monica V. Cunha5,6, Carlos Fonseca2,7, Rita Tinoco Torres2 and Helena Maria Neto Ferreira1,4 1UCIBIO - Applied Molecular Biosciences Unit – University of Porto, Porto, Portugal, 2CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, Aveiro, Portugal, 4Microbiology, Biological Sciences Department, Faculty of Pharmacy - University of Porto, Porto, Portugal, 5Centre for Ecology, Evolution and Environmental Changes (cE3c), Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisbon, Portugal, 6Biosystems and Integrative Sciences Institute (BioISI), Faculdade de Ciências da Universidade de Lisboa, Lisboa, Portugal, 7ForestWISE - Collaborative Laboratory for Integrated Forest & Fire Management, Vila Real, Portugal

298 A hygiene and monitorization program for small animal veterinary practices – A Pilot-study

Joana Cabral Moreira da Silva CIISA - Centre of Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal jmsilva@fmv.ulisboa.pt Juliana Menezes, Andreia Amaral, Sofia Santos Costa, Constança Pomba CIISA - Centre of Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal, Global Health and Tropical Medicine, GHTM, Instituto de Higiene e Medicina Tropical, IHMT, Universidade NOVA de Lisboa, UNL, Lisbon, Portugal

294 MASS SPECTROMETRY-BASED PROTEOMIC AND METABOLOMIC PROFILING OF SERUM SAMPLES FOR DISCOVERY AND VALIDATION OF TB DIAGNOSTIC BIOMARKER

Ana Varela Coelho ITQB NOVA varela@itqb.unl.pt Ana Filipa Fernandes (1), Luís Gafeira Gonçalves (1), Maria Bento (1), Sandra Anjo (2), Bruno Manadas (2), Clara Barroso (3), Miguel Villar (4), Rita Macedo (5), Maria João Simões (5), Ana Varela Coelho (1) (1) ITQB NOVA, Oeiras, Portugal (2) CNC, University of Coimbra, Coimbra, Portugal (3) CDP Almada-Seixal, ARSLVT, Portugal (4) CDP Venda Nova, ARSLVT, Portugal (5) INSA, Lisboa, Portugal

286 The microbiome(s) of Senegalese sole fed with different diets

Miguel Semedo Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal msemedo@ciimar.up.pt Ana Paula Mucha1,2, Diana Bastos Almeida1,3,4,, Joana Pereira Fernandes1,2, Catarina Magalhães1,2 1CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Matosinhos, Portugal, 2School of Sciences, University of Porto, Porto, Portugal, 3Institute of Biomedical Sciences, University of Porto, Porto, Portugal, 4SeaEight - Safistela S.A, Portugal.

281 The role of wild animals and associated ticks in Coxiella burnetii natural cycle

Ana Sofia Santos Centro de Estudos de Vectores e Doenças Infecciosas Dr. Francisco Cambournac (CEVDI/INSA), Instituto Nacional de Saúde Doutor Ricardo Jorge, Águas de Moura, Portugal ana.santos@insa.min-saude.pt Rita Velez1, Ana Cláudia Norte3, Fátima Amaro1,2, Maria João Alves1, Pedro Melo4, Nuno Santos5, Luís Pascoal da Silva5, Mónica V. Cunha6,7 and Ana Botelho8 1- Centro de Estudos de Vectores e Doenças Infecciosas Dr. Francisco Cambournac (CEVDI/INSA), Instituto Nacional de Saúde Doutor Ricardo Jorge, Águas de Moura, Portugal; 2- Instituto de Saúde Ambiental, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal; 3- Centro de Ciências do Mar e do Ambiente (MARE), Departamento de Ciências da Vida, Universidade de Coimbra, Coimbra, Portugal; 4- VetNatura, Lisboa, Portugal; 5- Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO/InBIO), Universidade do Porto, Campus de Vairão, Vairão, Portugal; 6- Centre for Ecology, Evolution and Environmental Changes (cE3c), Faculdade de Ciências da Universidade de Lisboa, Lisboa, Portugal; 7- Biosystems & Integrative Sciences Institute (BioISI), Faculdade de Ciências da Universidade de Lisboa, Lisboa, Portugal; 8- Instituto Nacional de Investigação Agrária e Veterinária, Oeiras, Portugal.

278 Experimental approach to detect SARS-CoV-2 in aerosol suspensions in COVID19 patients domiciliary setting

Gil Correia 1 FMUC - Faculty of Medicine, University of Coimbra, Coimbra, Portugal ; 2 CNC – Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal gil.rcorreia@gmail.com Mariana Afonso1,2, Marta Mota1,2, Sandra Cunha3 and Teresa Gonçalves1,2 1 FMUC - Faculty of Medicine, University of Coimbra, Coimbra, Portugal ; 2 CNC – Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal; 3 USF Marquês de Marialva, ARS Centro, Coimbra, Portugal

268 Role of ScwdABC system of Staphylococcus aureus in biofilm formation and infection

Rita G. Sobral 1 - Associate Laboratory i4HB – Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, Caparica, Portugal; 2 - UCIBIO- Applied Biomolecular Sciences Unit, School of Science and Technology, NOVA University Lisbon, Caparica, Portugal rgs@fct.unl.pt Miguel A. Silva1,2*, Raquel Portela1,2*, Bárbara V. Gonçalves1,2, Jorge S. Dias1,2, 1 - Associate Laboratory i4HB – Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, Caparica, Portugal; 2 - UCIBIO- Applied Biomolecular Sciences Unit, School of Science and Technology, NOVA University Lisbon, Caparica, Portugal