Enterotoxigenic and nontoxigenic Bacteroides fragilis strains isolated in Brazil


Autoria(s): Miranda,Karla R; Dias,Mariana F; Guimarães,Priscilla LS; Boente,Renata F; Pauer,Heidi; Ramos,Priscila Z; Falcão,Laís S; Ferreira,Eliane de O; Balassiano,Ilana T; Ferreira,Livia Q; Santos-Filho,Joaquim dos; Paula,Geraldo R de; Antunes,Eduardo NF; Avelar,Katia ES; Domingues,Regina MCP
Data(s)

01/11/2008

Resumo

The presence of enterotoxigenic Bacteroides fragilis and nontoxigenic B. fragilis (NTBF) among 109 strains isolated from 1980-2008 in Brazil were investigated by PCR. One strain, representing 0.9% of the total analyzed strains, harbored the bft gene which was identified as bft-1 isoform based on PCR-RFLP and sequencing. Forty-nine strains (44.9%) exhibited the NTBF pattern III which possesses the flanking region required for pathogenicity island acquisition in which the bftgene is codified. These data reinforce the potential of B. fragilis as an emerging enteropathogen in our country.

Formato

text/html

Identificador

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762008000700018

Idioma(s)

en

Publicador

Instituto Oswaldo Cruz, Ministério da Saúde

Fonte

Memórias do Instituto Oswaldo Cruz v.103 n.7 2008

Palavras-Chave #Bacteroides fragilis toxin #enterotoxigenic Bacteroides fragilis #nontoxigenic Bacteroides fragilis
Tipo

journal article