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Characterization of Streptococcus zooepidemicus (Lancefield group C) from human and selected animal infections.

机译:人和所选动物感染中的兽疫链球菌(兰斯菲尔德菌群C)的特征。

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摘要

We assembled an international collection of strains from sporadic and epidemic human infection with Streptococcus zooepidemicus (Lancefield group C) for laboratory study. Cultural and physiological characteristics of the isolates were determined, including biotyping with the API 20 STREP test kit and susceptibility testing with penicillin, erythromycin and tetracycline. The strains were examined for bacteriocin production and sensitivity and typed with a specially developed group-C streptococcal bacteriophage system incorporating a panel of 14 phages. Results of these tests gave useful discrimination between many of the strains: differences were shown between each of the major outbreak strains, including those complicated by post-streptococcal glomerulonephritis. Serious group C streptococcal infection may be caused by S. zooepidemicus and isolates should be identified to species level; the application of a typing scheme such as this may help to distinguish epidemiological patterns of infection.
机译:我们收集了来自国际上人畜共患病的链球菌兽疫链球菌(兰斯菲尔德C组)的菌株的国际收集进行实验室研究。确定了分离物的文化和生理特征,包括使用API​​ 20 STREP检测试剂盒进行生物分型以及使用青霉素,红霉素和四环素进行药敏试验。检查菌株的细菌素产生和敏感性,并用专门开发的C组链球菌噬菌体系统进行分型,该系统结合了一组14个噬菌体。这些测试的结果对许多菌株进行了有用的区分:显示出每种主要暴发菌株之间的差异,包括那些并发链球菌性肾小球肾炎的菌株。严重的C组链球菌感染可能是由兽疫链球菌引起的,应按物种水平鉴定分离株。这样的分型方案的应用可能有助于区分感染的流行病学模式。

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