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Distribution, detection of enterotoxigenic strains and antimicrobial drug susceptibility patterns of Bacteroides fragilis group in diarrheic and non-diarrheic feces from Brazilian infants BJM
Ferreira,Débora Paula; Silva,Vânia Lúcia; Guimarães,Danielle Aparecida; Coelho,Cíntia Marques; Zauli,Danielle Alves Gomes; Farias,Luiz Macêdo; Carvalho,Maria Auxiliadora Roque; Diniz,Claudio Galuppo.
Despite the importance of gastrointestinal diseases and their global distribution, affecting millions of individuals around the world, the role and antimicrobial susceptibility patterns of anaerobic bacteria such as those in the Bacteroides fragilis group (BFG) are still unclear in young children. This study investigated the occurrence and distribution of species in the BFG and enterotoxigenic strains in the fecal microbiota of children and their antimicrobial susceptibility patterns. Diarrheic (n=110) and non-diarrheic (n=65) fecal samples from children aged 0-5 years old were evaluated. BFG strains were isolated and identified by conventional biochemical, physiological and molecular approaches. Alternatively, bacteria and enterotoxigenic strains were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacteroides fragilis group; ETBF; Antimicrobial susceptibility; Diarrhea.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822010000300010
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Enterotoxigenic and non-enterotoxigenic Bacteroides fragilis from fecal microbiota of children BJM
Ignacio,Aline; Fernandes,Miriam Rodriguez; Avila-Campos,Mario Julio; Nakano,Viviane.
Enterotoxigenic Bacteroides fragilis (ETBF) is an important part of the human and animal intestinal microbiota and is commonly associated with diarrhea. ETBF strains produce an enterotoxin encoded by the bft gene located in the B. fragilis pathogenicity island (BfPAI). Non-enterotoxigenic B. fragilis (NTBF) strains lack the BfPAI and usually show two different genetic patterns, II and III, based on the absence or presence of a BfPAI-flanking region, respectively. The incidence of ETBF and NTBF strains in fecal samples isolated from children without acute diarrhea or any other intestinal disorders was determined. All 84 fecal samples evaluated were B. fragilis-positive by PCR, four of them harbored the bft gene, 27 contained the NTBF pattern III DNA...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacteroides fragilis; Children; ETBF; NTBF.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822015000401141
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