Genetic Basis of Antibiotic Resistance in Clinical Isolates of Streptococcus gallolyticus ( Streptococcus bovis )
نویسندگان
چکیده
منابع مشابه
Genetic basis of antibiotic resistance in clinical isolates of Streptococcus gallolyticus (Streptococcus bovis).
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.
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Recently, strains of Streptococcus bovis were reclassified as Streptococcus gallolyticus. In the present study we describe for the first time an outbreak of S. gallolyticus in a broiler flock. Mortality during the first week was normal (<1%), with a final total mortality at the end of production reaching 4.3%. Specific symptoms were not observed. Postmortem pathology demonstrated enlarged and l...
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The antibiotic susceptibilities of 1,002 Streptococcus pneumoniae clinical isolates from patients with community-acquired pneumonia were determined over an 18-month period. Resistance rates were 14% for penicillin, 20% for erythromycin, 26% for tetracycline, and 1% for chloramphenicol. Resistance to non-beta-lactam antibiotics was associated with penicillin resistance at statistically levels.
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OBJECTIVE Streptococcus bovis includes variants related to colorectal cancer and non-urinary infections. Its role as urinary pathogen is unknown. Our objective was to assess the presence of urinary infection by S. bovis, analysing the patients and subsequent clinical course. METHODS Observational study, with longitudinal data collection, performed at our centre between all the cultures reques...
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The role, of microbial agents and the infection of the intestinal mucosa in the carcinogenesis, or the development of colorectal cancer (CRC) is one of the hot topics in the field of CRC where much research has been done. However, this topic has long been underestimated by most of the related books. This chapter is intended to cover the relationship of CRC development with bacteria implicated i...
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ژورنال
عنوان ژورنال: Antimicrobial Agents and Chemotherapy
سال: 2005
ISSN: 0066-4804,1098-6596
DOI: 10.1128/aac.49.4.1646-1648.2005