AyalaJ.,
QuesadaA.,
VadilloS.,
CriadoJ.,
PirízS.2005; Penicillin-binding proteins of Bacteroides fragilis and their role in the resistance to imipenem of clinical isolates. J Med Microbiol 54:1055–1064[CrossRef]
BuckwoldS. L.,
ShoemakerN. B.,
SearsC. L.,
FrancoA. A.2007; Identification and characterization of conjugative transposons CTn86 and CTn9343 in Bacteroides fragilis strains. Appl Environ Microbiol 73:53–63[CrossRef]
ChungG. T.,
FrancoA. A.,
WuS.,
RhieG.,
ChengR.,
OhH.,
SearsC. L.1999; Identification of a third metalloprotease toxin gene in extraintestinal isolates of Bacteroides fragilis
. Infect Immun 67:4945–4949
FrancoA. A.2004; The Bacteroides fragilis pathogenicity island is contained in a putative novel conjugative transposon. J Bacteriol 186:6077–6092[CrossRef]
FrancoA. A.,
MundyL. M.,
TrucksisM.,
WuS.,
KaperJ. B.,
SearsC. L.1997; Cloning and characterization of the Bacteroides fragilis metalloprotease toxin gene. Infect Immun 65:1007–1013
GalM.,
BrazierJ. S.2004; Metronidazole resistance in Bacteroides spp. carrying nim genes and the selection of slow-growing metronidazole-resistant mutants. J Antimicrob Chemother 54:109–116[CrossRef]
GutackerM.,
ValsangiacomoC.,
PiffarettiJ. C.2000; Identification of two genetic groups in Bacteroides fragilis by multilocus enzyme electrophoresis: distribution of antibiotic resistance ( cfiA , cepA ) and enterotoxin ( bft ) encoding genes. Microbiology 146:1241–1254
KlingJ. J.,
WrightR. L.,
MoncriefJ. S.,
WilkinsT. D.1997; Cloning and characterization of the gene for the metalloprotease enterotoxin of Bacteroides fragilis
. FEMS Microbiol Lett 146:279–284[CrossRef]
NakanoV.,
PadillaG.,
do Valle MarquesM.,
Avila-CamposM. J.2004; Plasmid-related β -lactamase production in Bacteroides fragilis strains. Res Microbiol 155:843–846[CrossRef]
PantostiA.,
CerquettiM.,
ColangeliR.,
D'AmbrosioF.1994; Detection of intestinal and extra-intestinal strains of enterotoxigenic Bacteroides fragilis by the HT-29 cytotoxicity assay. J Med Microbiol 41:191–196[CrossRef]
PodglajenI.,
BreuilJ.,
BordonF.,
GutmannL.,
CollatzE.1992; A silent carbapenemase gene in strains of Bacteriodes fragilis can be expressed after a one-step mutation. FEMS Microbiol Lett 70:21–29
PodglajenI.,
BreuilJ.,
CollatzE.1994; Insertion of a novel DNA sequence, IS 1186 , upstream of the silent carbapenemase gene cfiA , promotes expression of carbapenem resistance in clinical isolates of Bacteroides fragilis
. Mol Microbiol 12:105–114[CrossRef]
RasmussenB. A.,
KovacsE.1991; Identification and DNA sequence of a new Bacteroides fragilis insertion sequence-like element. Plasmid 25:141–144[CrossRef]
RasmussenJ. L.,
OdelsonD. A.,
MacrinaF. L.1987; Complete nucleotide sequence of insertion element IS 4351 from Bacteroides fragilis
. J Bacteriol 169:3573–3580
RuimyR.,
PodglajenI.,
BreuilJ.,
ChristenR.,
CollatzE.1996; A recent fixation of cfiA genes in a monophyletic cluster of Bacteroides fragilis is correlated with the presence of multiple insertion elements. J Bacteriol 178:1914–1918
SókiJ.,
UrbánE.,
SzőkeI.,
FodorE.,
NagyE.2000; Prevalence of the carbapenemase gene ( cfiA ) among clinical and normal flora isolates of Bacteroides species in Hungary. J Med Microbiol 49:427–430
SókiJ.,
FodorE.,
HechtD. W.,
EdwardsR.,
RotimiV. O.,
KerekesI.,
UrbánE.,
NagyE.2004; Molecular characterization of imipenem-resistant, cfiA -positive Bacteroides fragilis isolates from the USA. Hungary and Kuwait. J Med Microbiol 53:413–419[CrossRef]
ThompsonJ. S.,
MalamyM. H.1990; Sequencing the gene for an imipenem-cefoxitin-hydrolyzing enzyme (CfiA) from Bacteroides fragilis TAL2480 reveals strong similarity between CfiA and Bacillus cereus β -lactamase II. J Bacteriol 172:2584–2593
VallimD. C.,
OliveiraI. C. M.,
AntunesE. N. F.,
FerreiraE. O.,
MoraesS. R.,
PaulaG. R.,
Silva-CarvalhoM. C.,
FigueiredoA. M. S.,
FerrreiraM. C. S.,
DominguesR. M. C. P.2002; Evaluation of genetic relatedness of Bacteroides fragilis strains isolated from different sources by AP-PCR and pulsed-field gel electrophoresis assay. Anaerobe 8:192–199[CrossRef]
VersalovicJ.,
KoeuthT.,
LupskiR.1991; Distribution of repetitive DNA sequences in eubacteria and application to fingerprinting of bacterial genomes. Nucleic Acids Res 19:6823–6831[CrossRef]