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Are Food Producing animals a source of multidrug-resistant E. coli and Salmonel...

Pista, Angela; Silveira, Leonor; Gonçalves, Carlota; Costa, Sara; Carolino, Catarina; Santo, Bianca; Rosa, Rute; Penteado, Margarida; Alves, Margarida

Objectives: To assess the role of food-producing animals as potential transmission vehicles of Salmonella spp. and E. coli to Humans, in order to understand the epidemiology and population structure of these zoonotic agents in Portugal.


Multidrug-resistant Escherichia coli and Salmonella spp. in pigs slaughtered fo...

Pista, Angela; Silveira, Leonor; Costa, Sara; Rosa, Rute; Gonçalves, Carlota; Alves, Margarida; Belas, Adriana; Santos, Isabel; Lima, Ana

Objective: To assess the role of pig reservoir as potential transmission vehicle of Salmonella spp. and E. coli to humans, in order to understand the epidemiology and population structure of these zoonotic agents in Portugal.


Influence of Particle Size and Extraction Methods on Phenolic Content and Biolo...

Ferreira, Joana; Tkacz, Karolina; Turkiewicz, Igor Piotr; Santos, Maria Isabel; Belas, Adriana; Lima, Ana; Wojdyło, Aneta; Sousa, Isabel

The main goal of this research was to investigate how particle size influences the characteristics of pear (Pyrus Communis L.) pomace flour and to examine the impact of different pre-treatment methods on the phenolic content and associated bioactivities. Pear pomace flour was fractionated into different particle sizes, namely 1 mm, 710 m, 180 m, 75 m and 53 m. Then two extraction methods, namely maceration with...


Compostos bioativos para a saúde e segurança alimentar

Mota, Joana; Belas, Adriana; Marques, Cátia; Teixeira, Daniela; Agrícola, Ricardo; Resendes, Ana; Prazeres, José Manuel Cardoso de Sousa

Atualmente, o tópico dos compostos bioativos para a segurança alimentar tem sido alvo de grande foco, sobretudo numa época em que a utilização de desinfetantes químicos e de antibióticos é cada vez mais evitada na área agro-alimentar, dentro de um contexto One Health. Deste modo, o estudo de compostos moleculares com capacidade de inibir a presença de bactérias ou fungos patogénicos ou de promover uma população...


Grupo de interesse em Biologia Molecular

Ropio, Joana; Valença, Andreia; Belas, Adriana; Amaral, Ana; Pires, Ana Elisabete; Marques, Cátia; Batista, Mariana; Serafim, Michelle Karen Brasil

A biologia molecular é uma área da biologia que se centra na utilização de técnicas baseadas no estudo de DNA, RNA e proteínas. Esta é, também, uma área transversal a virtualmente todas as áreas de investigação científica na atualidade. O recentemente formado Grupo de Interesse em Biologia Molecular (GIBioM) da FMV da Universidade Lusófona tem por objectivo reunir docentes e investigadores com valências técnica...


Human and companion animal proteus mirabilis sharing

Marques, Cátia Filipa Saraiva; Belas, Adriana; Menezes, Juliana; da Silva, Joana Moreira; Cavaco-Silva, Patrícia; Trigueiro, Graça; Gama, Luis

Research Areas: Microbiology; Proteus mirabilis is an important pathogen that is associated with urinary tract infections. This study aims to determine the colonization and sharing of P. mirabilis between healthy companion animals and humans that are living together and to evaluate the clonal relatedness of the fecal and clinical stains. Eighteen households (24 humans, 18 dogs, 8 cats) with at least one human–a...


Human and companion animal Proteus mirabilis sharing

Marques, Cátia; Belas, Adriana; Menezes, Juliana; Silva, Joana Moreira da; Silva, Patrícia Cavaco; Trigueiro, Graça; Gama, Luís Telo da

Proteus mirabilis is an important pathogen that is associated with urinary tract infections. This study aims to determine the colonization and sharing of P. mirabilis between healthy companion animals and humans that are living together and to evaluate the clonal relatedness of the fecal and clinical stains. Eighteen households (24 humans, 18 dogs, 8 cats) with at least one human–animal pair were studied. Fecal...


Extended–spectrum–beta-lactamases, cephalosporinases and carbapenemase-producin...

Belas, Adriana

Tese de Doutoramento em Ciências Veterinárias na Especialidade de Ciências Biológicas e Biomédicas; Extended–spectrum–beta-lactamases (ESBLs), cephalosporinases (encoded by the ESBLs and Ampc genes, respectively) and carbapenemase–producing Escherichia coli have become a major public health concern to both human and animal health. Urinary tract infections (UTI) are one of the most frequent bacterial infections ...


Epidemiological study of pesticide poisoning in domestic animals and wildlife i...

Grilo, Andreia; Moreira, Anabela S.; Carrapiço, Belmira; Belas, Adriana; Ferreira São Braz, Berta

Research Areas: Veterinary Sciences; ABSTRACT - Nowadays the intentional poisoning of domestic and wild animals is a crime in the European Union (EU), but as in the past the poison is still used in rural areas of a number of European countries to kill animals that were considered harmful for human activities. From January 2014 up until October 2020, the Laboratory of Pharmacology and Toxicology of the Faculty o...


Oxa-181-producing extraintestinal pathogenic escherichia coli sequence type 410...

Brilhante, Michael; Menzes, Juliana; Belas, Adriana; Feudi, Claudia; Schwarz, Stefan; Pomba, C.; Perretena, Vincent

Research Areas: Microbiology ; Pharmacology & Pharmacy; Two multidrug-resistant and carbapenemase-producing Escherichia coli clones of sequence type 410 were isolated from fecal samples of a dog with skin infection on admission to an animal hospital in Portugal and 1 month after discharge. Whole-genome sequencing revealed a 126,409-bp Col156/IncFIA/IncFII multidrug resistance plasmid and a 51,479-bp IncX3 blaOX...


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