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	Provedor de dados BJM (2) BJMBR (1) Autor Arantes,R.M.E. (1) Lima-Filho,J.V.M. (1) Moura,Lilian Nobre (1) Nardi,Regina Maria Drummond (1) Neumann,Elizabeth (1) Nicoli,J.R. (1) Nicoli,Jacques R. (1) Nicoli,Jacques Robert (1) Vasconcelos,Ana Luiza Sampaio (1) Vieira,L.Q. (1) Vieira,Leda Quercia (1) Mais... Palavra-chave Gnotobiotic mice (3) Salmonella (3) Lactobacillus (2) Probiotic (2) Antagonism (1) Escherichia coli (1) Mais... Tipo do documento Info:eu-repo/semantics/article (3) Ano 2004 (1) 2003 (1) 2001 (1) País Brazil (3) Idioma Inglês (3)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 3 Primeira ... 1 ... Última Effect of the Escherichia coli EMO strain on experimental infection by Salmonella enterica serovar Typhimurium in gnotobiotic mice BJMBR Lima-Filho,J.V.M.; Vieira,L.Q.; Arantes,R.M.E.; Nicoli,J.R.. An experimental infection with Salmonella enterica subsp. enterica serovar Typhimurium was evaluated in gnotobiotic mice previously exposed to a plasmid-free non-pathogenic Escherichia coli (EMO strain). Mice were exposed to EMO (experimental) or not (control) 10 days before challenge with Salmonella Typhimurium (10² colony forming units (CFU)/mouse). Survival after challenge was higher (P < 0.05) in the experimental group (16%) than in the control animals (0%). Histopathological examination of the colon and ileum mucosa of the experimental group showed less extensive lesions such as edema, cell inflammatory infiltration and hyperemia. The epithelial cells of the mucosal surface and the production of the mucous layer were also better preserved in the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Probiotic; Salmonella; Escherichia coli; Gnotobiotic mice. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004000700009 Protection by Lactobacillus acidophilus UFV-H2B20 against experimental oral infection with Salmonella enterica subsp. enterica Ser. Typhimurium in gnotobiotic and conventional mice BJM Moura,Lilian Nobre; Neumann,Elizabeth; Vieira,Leda Quercia; Nicoli,Jacques R.. The ability of Lactobacillus acidophilus UFV-H2B20 to antagonize Salmonella enterica subsp. enterica ser. Typhimurium and to reduce the pathological consequences for the host was determining using conventional and gnotobiotic animals. Conventional NIH mice received daily by gavage a 0.1 ml suspension containing about 10(8) cfu L. acidophilus UFV-H2B20 and germfree animals received a single 0.1 ml dose. The gnotobiotic and conventional groups were infected orally with 10² and 10(5) cfu of S. Typhimurium, respectively, 7 days after the beginning of treatment. Control groups were treated with sterile saline instead of Lactobacillus. Survival data showed a protective effect against the pathogenic bacteria in both conventional and gnotobiotic... Tipo: Info:eu-repo/semantics/article Palavras-chave: Lactobacillus; Salmonella; Probiotic; Gnotobiotic mice. Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822001000100015 Antagonistic and protective effects against Salmonella enterica serovar typhimurium by Lactobacillus murinus in the digestive tract of gnotobiotic mice BJM Vasconcelos,Ana Luiza Sampaio; Nicoli,Jacques Robert; Nardi,Regina Maria Drummond. In the present study, production of antagonistic substances by Lactobacillus murinus against enteropathogenic bacteria was evaluated in vivo as well as a possible protective effect against an oral challenge with Salmonella Typhimurium using a gnotobiotic animal model. A higher mean survival time (P < 0.05) was observed in L. murinus-associated animals (7.89 ± 3.83 days) when compared with the control ones (4.44 ± 0.73 days). Lactobacillus murinus exerted a potent antagonistic effect in vivo against S. sonnei and to a lesser extent against S. Typhimurium as revealed by inhibitory halos around the feces of Lactobacillus-associated animals. Diameters of inhibitory halos around intestinal contents increased along the intestine tract, following... Tipo: Info:eu-repo/semantics/article Palavras-chave: Antagonism; Salmonella; Lactobacillus; Gnotobiotic mice. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822003000500007 Registros recuperados: 3 Primeira ... 1 ... Última

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