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Abstract

Shiga toxin-producing (Stx) Escherichia coli (STEC) O113:H21 strains are associated with human diarrhea and some of these strains may cause hemolytic uremic syndrome (HUS). The molecular mechanism underlying this capacity and the differential host cell response to HUS-causing strains are not yet...

Author(s)
Bando, S. Y.; Iamashita, P.; Guth, B. E.; Santos, L. F. dos; Fujita, A.; Abe, C. M.; Ferreira, L. R.; Moreira Filho, C. A.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2017, 12, 12, pp e0189613
Abstract

Aichivirus B has been reported worldwide in calves and adult cattle with and without diarrhea. The aim of this study was to describe the molecular characteristics of the RdRP and VP1 genes of aichivirus B strains identified as the most frequent etiologic agent in a neonatal diarrhea outbreak in a...

Author(s)
Ribeiro, J.; Lorenzetti, E.; Ribeiro Júnior, J. C.; Medeiros, T. N. da S.; Alfieri, A. F.; Alfieri, A. A.
Publisher
Springer-Wien, Wien, Austria
Citation
Archives of Virology, 2017, 162, 12, pp 3691-3696
Abstract

Aim: The occurrence of virulence markers, serotypes and invasive ability were investigated in Shiga toxin-producing Escherichia coli (STEC) isolated from faecal samples of healthy dairy cattle at Rio de Janeiro State, Brazil. Methods and Results: From 1562 stx-positive faecal samples, 105 STEC...

Author(s)
Gonzalez, A. G. M.; Cerqueira, A. M. F.; Guth, B. E. C.; Coutinho, C. A.; Liberal, M. H. T.; Souza, R. M.; Andrade, J. R. C.
Publisher
Wiley-Blackwell, Oxford, UK
Citation
Journal of Applied Microbiology, 2016, 121, 4, pp 1130-1143
Abstract

The present study aimed to evaluate the antimicrobial resistance patterns of strains of Escherichia coli, carriers or not carriers of stx1, stx2 and eae genes, isolated from feces of dairy cattle to ten antimicrobials. Eight-hundred (800) fecal samples of dairy cows were collected with the aid of a ...

Author(s)
Pereira, M. C. S.; Rigueiro, A. L. N.; Ono, R. K.; Rigobelo, E. C.
Publisher
Pontificia Universidade Católica do Paraná, Paraná, Brazil
Citation
Revista Acadêmica Ciências Agrárias e Ambientais, 2014, 12, 4, pp 270-276
Abstract

The invasin gimB (genetic island associated with human newborn meningitis) is usually found in ExPEC (Extraintestinal Pathogenic Escherichia coli) such as UPEC (uropathogenic E. coli), NMEC (neonatal meningitis E. coli) and APEC (avian pathogenic E. coli). In NMEC, gimB is associated with the...

Author(s)
Matter, L. B.; Spricigo, D. A.; Tasca, C.; Vargas, A. C. de
Publisher
Sociedade Brasileira de Microbiologia, São Paulo, Brazil
Citation
Brazilian Journal of Microbiology, 2015, 46, 3, pp 875-878
AbstractFull Text

The aim of this study was to identify E. coli virulence factors derived from faecal samples collected in the southern region of Rio Grande do Sul state (RS) from calves with and without diarrhea, as well as investigate the antimicrobial susceptibility of E. coli isolates from calves with diarrhea....

Author(s)
Vargas Júnior, S. F.; Cunha, R. C.; Pereira, D. I. B.; Botton, S. de Á.; Ladeira, S. R. L.; Lucia Júnior, T.; Sallis, E. S. V.
Publisher
Universidade Federal do Rio Grande do Sul, Faculdade de Veterinária, Porto Alegre, Brazil
Citation
Acta Scientiae Veterinariae, 2017, 45, pp 1467
Abstract

Respiratory diseases are considered a serious problem of sanity, causing huge economic losses due to high rates of morbidity and mortality, accounting for 10-40% of deaths in adults and 17% of deaths during the perinatal period. The objective of this study was to determine the occurrence of agents...

Author(s)
Dias de Oliveira, B. A. F.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
Citation
Avaliação clínica e estudo da ocorrência de broncopneumonia em bovinos, 2015, pp 102 pp.
Abstract

The aim of this work was to test 101 strains of E. coli for virulence factors associated with enterotoxigenic and enterohemorrhagic pathotypes of E. coli isolated from diarrheic and non-diarrheic calves. The virulence factors of E. coli Stx1 (Shiga toxin), Stx2, Ehly (Enterohemolysin), the eae...

Author(s)
Moura, C. de; Ludovico, M.; Valadares, G. F.; Gatti, M. S. V.; Leite, D. S.
Publisher
Instituto Biológico, São Paulo, Brazil
Citation
Arquivos do Instituto Biológico (São Paulo), 2012, 79, 2, pp 273-276
Abstract

Escherichia coli O157:H7, an important bacillus strain associated with serious gastroenteritis in humans, is more frequently derived from the consumption of raw or poorly cooked beef. Cattle are important reservoirs suggesting the possibility that feedlot diet management influences the emergence of ...

Author(s)
Prata, C. B.; Lemos, M. V. F.; Prata, L. F.; Caselani, K.
Publisher
Faculdade de Ciências Agrárias e Veterinárias, Câmpus de Jaboticabal, UNESP, Jaboticabal, Brazil
Citation
Ars Veterinaria, 2013, 29, 2, pp 93-97
Abstract

This study aims to verify the predominance of contamination with pathogenic microorganisms in dairy herds. In order to validate the initially used methodology, an artificial contamination was conducted in commercially acquired whole UHT milk, with strains of Listeria monocytogenes, Streptococcus...

Author(s)
Pozzobon, A.; Eifler, S. C.; Kich, D. M.; Veit, G.; Vendramin, T.; Kipper, J. P.; Butzge, J. C.; Lehn, D. N.; Souza, C. F. V. de; Bustamante Filho, I. C.
Publisher
Academic Journals, Nairobi, Kenya
Citation
African Journal of Microbiology Research, 2015, 9, 17, pp 1189-1194

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