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ANTAGONISM AGAINST VIBRIO CHOLERAE BY BACTERIAL DIFFUSIBLE COMPOUND IN THE FECAL MICROBIOTA OF RODENTS
Provedor de dados: 59
Autores: Silva,Simone Helena da; Vieira,Enio Cardillo; Nicoli,Jacques Robert.
In an ex vivo agar plate assay, we monitored the appearance of an inhibitory halo against Vibrio cholerae from the feces of Wistar and Fischer rats aged 10 to 42 days. The frequency of Wistar rats showing halo increased from 0% (10 days) to a maximum of 80.0% (29 days) and then decreased to 53.3% (42 days). A similar pattern was obtained with Fischer rats but with a lower intensity (maximum frequency of 50.0% by day 36). In a separate experiment, when Wistar rats were fed a low-protein diet for 7 days, the inhibitory halo decreased drastically. Three apparently different colony morphologies were isolated from the dominant fecal microbiota: a facultative anaerobe (FAN) and two strict anaerobes (SAN). The ex vivo inhibitory test showed a halo around the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Vibrio cholerae; Escherichia coli; Streptococcus intermedius; Antagonism; Rodents.
Ano: 1998
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37141998000300016