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Immunoproteomic characterization of Brucella canis to identify proteins as antigens for serodiagnosis

Grant number: 16/13804-9
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): January 16, 2017
Effective date (End): January 15, 2018
Field of knowledge:Agronomical Sciences - Veterinary Medicine - Preventive Veterinary Medicine
Principal researcher:Lara Borges Keid
Grantee:David Attuy Vey da Silva
Supervisor abroad: Sascha Al Dahouk
Home Institution: Faculdade de Zootecnia e Engenharia de Alimentos (FZEA). Universidade de São Paulo (USP). Pirassununga , SP, Brazil
Research place: Federal Institute for Risk Assessment, Germany  
Associated to the scholarship:16/01276-8 - Immunoproteomic characterization of Brucella canis to the identification of proteins as antigens for serodiagnosis, BP.DR

Abstract

Canine brucellosis is a zoonotic disease, which causes economic losses to dog breeders owing to the reproductive disorders. It is a neglected bacterial infection caused by Brucella canis that is endemic in Brazil. The diagnosis of the infection is hard since that is no accurate serological tests, especially to identificate chronically infected dogs. The aim of this study is to perform a proteomic analysis of a field B. canis strain isolated in Brazil in order to identify immunogenic proteins to be used as antigens for the infection serodiagnosis. A sera panel obtained from 17 infected dogs sampled in different phases of infection (bacteremic and non-bacteremic) will be used, as well as sera obtained from five non-infected dogs to be used as control. The protein extraction of the B. canis strain followed by protein separation using two-dimensional electrophoresis will be performed. The protein profile obtained will be immunoblotted using the panel of canine sera to identify reactive proteins that are markers of the different stages of infection. The selected proteins will be identified using mass spectrometry by MALDI-TOF-MS technique.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DA SILVA, DAVID ATTUY VEY; BRENDEBACH, HOLGER; GRUETZKE, JOSEPHINE; DIECKMANN, RALF; SOARES, RODRIGO MARTINS; RIBEIRO DE LIMA, JULIA TERESA; KEID, LARA BORGES; HOFREUTER, DIRK; AL DAHOUK, SASCHA. MALDI-TOF MS and genomic analysis can make the difference in the clarification of canine brucellosis outbreaks. SCIENTIFIC REPORTS, v. 10, n. 1 NOV 6 2020. Web of Science Citations: 2.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.