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., Stevens, M. P.: Colibacillosis in poultry: unravelling the molecular basis of virulence of avian pathogenic Escherichia coli in their natural hosts. Avian Pathol 37 , 355–366 (2008). Stevens M. P

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and inadequate antibiotic development encouraged the re-use of old antibiotics [ 11–14 ]. Efflux pumps can be effective in cell signaling, metabolism, homeostasis and different roles such as bacterial virulence. There are five main efflux pumps in

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. Magyar , T. ( 1990 ): Virulence and lienotoxicity of Bordetella bronchiseptica in mice . Vet. Microbiol. 25 , 199 – 207 . Magyar , T. and Glavits , R. ( 1990

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Hacker, J., Blum-Oehler, G., Janke, B., Nagy, G., Goebel, W.: Pathogenicity islands of extraintestinal Escherichia coli . In: Kaper, J., Hacker, J. (eds): Pathogenicity islands and other mobile virulence

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Mekalanos, J. J. 1996: Alterations in Vibrio cholerae motility phenotypes correlate with changes in virulence factor expression. Infect. Immun. 64 , 2246-2255. Alterations in Vibrio cholerae motility phenotypes correlate with

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Acta Veterinaria Hungarica
Authors: Rashad Alkasir, Jianfang Wang, Jian Gao, Tariq Ali, Limei Zhang, Ottó Szenci, Árpád Csaba Bajcsy and Bo Han

, J. and Han , B. ( 2014 ): Phylogenetic group, virulence factors and antimicrobial resistance of Escherichia coli associated with bovine mastitis. Res. Microbiol. 165 , 273 – 277

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Acta Veterinaria Hungarica
Authors: Barbara Ujvári, Levente Szeredi, László Pertl, Gergely Tóth, Károly Erdélyi, Szilárd Jánosi, Tamás Molnár and Tibor Magyar

Wieler , L. H. ( 2006 ): Virulence genotype of Pasteurella multocida strains isolated from different hosts with various disease status . Vet. Microbiol . 114 , 304 – 317 . Fegan , N

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Acta Veterinaria Hungarica
Authors: Tamás Csáki, Miklós Heltai, Ferenc Markolt, Balázs Kovács, László Békési, Márta Ladányi, Erika Péntek-Zakar, Aránzazu Meana, Cristina Botías, Raquel Martín-Hernández and Mariano Higes

the measurement of nosema disease in honey bee colonies wintered in Alberta, Canada . Am. Bee J. 122 , 369 – 371 . Forsgren , E. and Fries , I. ( 2010 ): Comparative virulence

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]. The clonal lineages have a number of different phenotypes, such as growth, migration, and transmigration [ 7 ]; however, the best characterized of these is their virulence in laboratory mice [ 8, 9 ]. Type I strains exhibit the acute lethal virulence

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-mediated quinolone resistances. Detection of virulence determinants of E. coli Tested virulence determinants of E. coli were the following: afimbrial adhesins ( afa ), S and F1C fimbiriae ( sfa/foc ), pili

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