نتایج جستجو برای: streptococcus gallolyticus
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BACKGROUND Streptococcus gallolyticus subsp. gallolyticus (S. gallolyticus) is a pathogen of infective endocarditis. It was observed previously that this bacterium survives longer in macrophages than other species and the phagocytic uptake by and survival in THP-1 macrophages is strain-dependent. METHODS The phagocytosis assay was performed with THP-1 macrophages. S. gallolyticus specific who...
INTRODUCTION One of the bacterial agents that has been found to be associated with colorectal cancer is Streptococcus bovis, with 13% of infective endocarditis cases caused by this pathogenic species. CASE PRESENTATION We describe the case of a 57-year-old Caucasian man with infiltrating and ulcerating metastatic adenocarcinoma of the sigmoid colon. The patient was receiving second-line chemo...
This report describes a case of neonatal bacteraemia and meningitis due to Streptococcus gallolyticus subsp. pasteurianus. Based on the identification kit results, this species may have been reported as Streptococcus bovis or S. bovis biotype II. The accurate identification of this organism is mandatory for evaluating the aetiology of neonatal meningitis.
Streptococcus gallolyticus is an increasing cause of bacteremia and infective endocarditis in the elderly. Several epidemiological studies have associated the presence of this bacterium with colorectal cancer. We have studied the interaction of S. gallolyticus with human colonic cells. S. gallolyticus strain UCN34, adhered better to mucus-producing cells such as HT-29-MTX than to the parental H...
Among 128 Streptococcus gallolyticus (Streptococcus bovis) isolates, 77.7% were resistant to tetracyclines and contained tet(M) and/or tet(L) and/or tet(O). A total of 59.4% had macrolide resistance and contained erm(B) and, rarely, mef(A). Among the one-third of isolates highly resistant to kanamycin and streptomycin, most harbored aphA3 and aad-6 genes.
Recently, we reported the draft genome sequence of Streptococcus gallolyticus NTS31106099. It was found to contain a previously unknown putative Tn916-like conjugative transposon, Tn6263 Here, we report the draft genome sequences of two other clinical isolates, NTS31301958 and NTS31307655. Both of them contain another novel element, Tn6331, which is highly similar to Tn6263.
Streptococcus gallolyticus subspecies gallolyticus (S. gallolyticus) can colonise the gastrointestinal tract of humans and animals and is known to cause similar infections in both humans and animals. Data about the spread or prevalence in farm animals are missing. In this study, Trypton Soya Agar was modified to a selective medium enabling the isolation and quantification of S. gallolyticus fro...
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