8 documents found, page 1 of 1
Subpathotypes of avian pathogenic escherichia coli (apec) exist as defined by t...
Maturana, Victor Gonçalves; de Pace, Fernanda; Carlos, Camila; Pires, Mathias Mistretta [UNESP]; De Campos, Tatiana Amabile; Nakazato, GersonMade available in DSpace on 2022-04-28T18:56:55Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-08-08; Avian pathogenic Escherichia coli (APEC) strains cause different types of systemic extraintestinal infections in poultry, collectively termed colibacillosis, which can cause significant economic losses in the poultry industry. To date, there have been no descriptions of genes or characteristics that all...
Green synthesis: characterization and biological activity of silver nanoparticl...
Lima, Alan Kelbis Oliveira; Vasconcelos, Arthur Abinader; Kobayashi, Renata Katsuko Takayama; Nakazato, Gerson; Braga, Hugo de CamposThis study proposes the preparation, characterization, and evaluation of the antimicrobial activity of silver nanoparticles (AgNPs). AgNPs were synthesized from the leaf extracts of plants from the Arecaceae family, which are abundant in the Amazon region. AgNPs were characterized using UV/Vis spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), dynamic light scattering (DLS), and their minimum inhibit...
Avaliação da qualidade microbiológica dos panos de prato utilizados em açougues...
Martins, Giovanna Caroline Galo; Dibo, Miriam; Marzolla, Isabella Pissinati; Nakazato, Gerson; Marçal, Wilmar SachetinSeveral cases of foodborne diseases are reported annually in the state of Paraná. Almost 100% of these foodborne infections are caused by bacteria. The awareness of food handlers about personal hygiene, the environment and work, is essential due to the various forms of risk of contamination of the food being handled. The objective of this work was to investigate which microbiological agents are present in the d...
Salmonella sp. in fish - what is the importance for health in fish farm?
Gazal , Luís Eduardo de Souza; de Brito , Kelly Cristina Tagliari; Cavalli , Lissandra Souto; Kobayashi , Renata Katsuko Takayama; Nakazato, GersonPathogenesis of Salmonella in fish is unknown and there are several ways of contaminating the fish by this microorganism, without reports that clarify its function as an etiological agent or as belonging to the microbiota of these animals. In several countries this bacterium is responsible for millions cases of Salmonellosis and nontyphoidal Salmonella are the main cause of diseases associated with the consumpt...
Detection of Salmonella spp. and diarrheagenic Escherichia coli in fresh pork s...
Cavalin, Paola Bianca Barbosa; Sarmiento, Juan Josue Puño; Kobayashi, Renata Katsuko Takayama; Nakazato, Gerson; Ocaña, Armando NavarroThe presence of pathogenic microorganisms in meat products may result in foodborne diseases and economic losses to their producers. Small industries in the region of Londrina, Paraná, produce sausages that are commercialized in free fairs, small markets, bars, and restaurants in the city. Although these industries are inspected by the Municipal Inspection Service of Londrina, there are no data about the pathoge...
Experimental infection with enteropathogenic Escherichia coli identified by PCR...
Gouveia, Eliana Maria Ferreira; Silva, Iandara Schettert; Nakazato, Gerson; Araujo, Flábio Ribeiro de; Chang, Marilene RodriguesOBJETIVO: Verificar a possibilidade de uma infecção experimental com Escherichia coli enteropatogênicas e confirmar por PCR que os sintomas manifestados após a infecção foram decorrentes dos fatores de virulência da bactéria estudada. MÉTODOS: As unidades experimentais foram 14 filhotes saudáveis com idade de 60 dias da raça Boxer. Os animais foram divididos em três grupos, sendo um controle de cada ninhada e o...
Estudo dos fatores de virulencia de amostras de 'Escherichia coli' patogenicas ...
Nakazato, GersonOrientador: Wanderley Dias da Silveira; Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia; Resumo: Duas linhagens de Escherichia co/i patogênicas isoladas de aves (APEC) com sinais clínicos de septicemia (517 e 521) e wna isolada de aves com sinais clínicos de 5índrome de Cabeça Inchada (5CIl O) foram selecionadas, do conjunto de 49 linhagens pertencentes ao Laboratório de Biologia Mol...
Estudo dos fatores de virulencia de amostras de Escherichia coli isoladas de cã...
Nakazato, GersonOrientador: Antonio Fernando Pestana de Castro; Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia; Resumo: Amostras de Escherichia coZi enteropatogênicas (EPEC) são uma das causas importantes de diarréia aguda em cães,. principalmente nos neonatos. Neste trabalho foram. Estudadas amostras fecais de 137 cães com diarréia e 34 cães normais, de várias faixa etárias e diferentes loca...