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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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]. 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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. 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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factors directly or indirectly through the secretion of several virulence factors to prevent phagosome maturation or escape into the cytosol and thereby prevent their elimination and establish their niche within the macrophage [ 1 ]. Due to harsh

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. Apoga , D. , Åkesson , H. , Jansson , H.B. , Odham , G. 2002 . Relationship between production of the phytotoxin prehelminthosporol and virulence in isolates of the plant pathogenic fungus Bipolaris sorokiniana. Eur. J. Plant Pathol

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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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of virulent Rhodococcus equi based on restriction fragment length polymorphism of virulence plasmids: a molecular approach for epidemiology of virulent R. equi in the world. J. Clin. Microbiol. 37 , 3417-3420. Genetic

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Cereal Research Communications
Authors: Marc Lemmens, Andrea Koutnik, Barbara Steiner, Hermann Buerstmayr, Franz Berthiller, Rainer Schuhmacher, Frank Maier, and Wilhelm Schäfer

trichothecenes in fusariosis of wheat, barley and maize evaluated by gene disruption of the trichodiene synthase (Tri5) gene in three field isolates of different chemotype and virulence. Molec. Plant Pathol. 7(6): 449

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Acta Veterinaria Hungarica
Authors: Katalin Jánosi, László Stipkovits, Róbert Glávits, Tamás Molnár, László Makrai, Miklós Gyuranecz, János Varga, and László Fodor

793 800 Groom, S. C., Little, P. B. and Rosendal, S. (1988): Virulence differences among three strains of Haemophilus somnus following intratracheal inoculation of calves

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Acta Microbiologica et Immunologica Hungarica
Authors: Gabriella Spengler, Annamária Molnár, G. Klausz, Yvette Mándi, M. Kawase, N. Motohashi, and J. Molnár

Young, G. M., Schmiel, D. H., Miller, V. L.: A new pathway for the secretion of virulence factors by bacteria: the flagellar export apparatus functions as a protein-secretion system. Proc Natl Acad Sci USA 96

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