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Avian Pathogenic Escherichia coli (APEC) in Broiler Breeders: An Overview

Pathogens, 2023
Poultry meat is one of the major animal protein sources necessary to meet the global protein demand. Sustainability in broiler production is the key to achieving its continuous supply, and broiler breeders play a critical role in maintaining this sustainability by providing good quality chicks.
Li Zhang, , Reshma Ramachandran
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ibeA, a virulence factor of avian pathogenic Escherichia coli

Microbiology, 2005
The presence of ibeA, a gene encoding a known virulence factor of Escherichia coli strains responsible for neonatal meningitis in humans, was investigated in the genome of 213 avian pathogenic E. coli (APEC) strains and 55 non-pathogenic E. coli strains of avian origin.
Germon, Pierre, Chen, Y.H., He, L., Blanco, J.E., Brée, Annie, Schouler, Catherine, Huang, Sheng, Moulin-Schouleur, Maryvonne   +7 more
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IbeB is involved in the invasion and pathogenicity of avian pathogenic Escherichia coli

Veterinary Microbiology, 2012
The ibeB gene in neonatal meningitis Escherichia coli (NMEC) contribute to the penetration of human brain microvascular endothelial cells (HBMECs). However, whether IbeB plays a role in avian pathogenic E. coli (APEC) infection remains unclear. Thus, this study was conducted to investigate the distribution of the ibeB gene in Chinese APEC strains and ...
Shaohui, Wang, Zhenyu, Shi, Yongjie, Xia, Huiqin, Li, Yahui, Kou, Yinli, Bao, Jianjun, Dai, Chengping, Lu   +7 more
openaire   +2 more sources

Vacuolating Cytotoxin Produced by Avian Pathogenic Escherichia coli

Avian Diseases, 2001
The purpose of this study was to determine whether avian pathogenic Escherichia coli produced cytotoxic activity. Culture supernatants of 20 E. coli strains isolated from cellulitis lesions in chickens, five E. coli strains from avian septicemia, five from swollen head syndrome, and five from the feces of healthy chickens were incubated with primary ...
M R, Salvadori, T, Yano, H E, Carvalho, V R, Parreira, C L, Gyles   +4 more
openaire   +2 more sources

Molecular prophage typing of avian pathogenic Escherichia coli

Veterinary Microbiology, 2013
Escherichia coli prophages confer virulence and resistance to physico-chemical, nutritional, and antibiotic stresses on their hosts, and they enhance the evolution of E. coli. Thus, studies on profiles of E. coli prophages are valuable to understand the population structure and evolution of E. coli pathogenicity.
Hyuk-Joon, Kwon, Won-Jin, Seong, Jae-Hong, Kim   +2 more
openaire   +2 more sources

Avian pathogenic Escherichia coli bind fibronectin and laminin

Veterinary Research Communications, 2008
Avian colisepticemia frequently occurs after respiratory tract damage, the primary site for infection allows bacteria to encounter an exposed basement membrane, where laminin and fibronectin are important components. We investigated the ability of an isolate of avian pathogenic Escherichia coli to bind fibronectin and laminin.
Rosa María, Ramírez, Yolanda, Almanza, Rafael, González, Santos, García, Norma, Heredia   +4 more
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TonB is essential for virulence in avian pathogenic Escherichia coli

Comparative Immunology, Microbiology and Infectious Diseases, 2012
Avian pathogenic Escherichia coli (APEC) strains have multiple iron-uptake systems that facilitate adaptation to iron-restricted environments and are believed to assist in colonisation of the host. These systems include several TonB-dependent transporters of ferri-siderophores encoded by the chromosome and the large virulence plasmid common to APECs ...
Karen M, Holden, Glenn F, Browning, Amir H, Noormohammadi, Philip F, Markham, Marc S, Marenda   +4 more
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Biological characteristics and pathogenicity of avian Escherichia coli strains

Veterinary Microbiology, 2002
Fifty avian (chicken) pathogenic Escherichia coli strains (APEC) isolated from individuals suffering from omphalitis, septicaemia and swollen head syndrome, and 30 strains isolated from healthy chickens were studied regarding their biological characteristics such as serogroups, haemolysin, colicin, cytotoxin, toxin and siderophore production, adhesion ...
Wanderley, Dias da Silveira, Alessandra, Ferreira, Marcelo, Brocchi, Luciana, Maria de Hollanda, Antonio Fernando, Pestana de Castro, Aureo, Tatsumi Yamada, Marcelo, Lancellotti   +6 more
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Adherence pili of pathogenic strains of avian Escherichia coli

Veterinary Microbiology, 1997
Fifty strains of Escherichia coli isolated from colisepticemic chickens in Londrina, Brazil, were examined for presence of gene sequences for pil and pap, hemagglutination, and adherence to chicken tracheal cells. Forty-one strains were pil+ and 22 of these showed mannose sensitive (MS) hemagglutination (MSHA) of guinea-pig erythrocytes, indicating ...
M C, Vidotto, H R, Navarro, L C, Gaziri
openaire   +2 more sources