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首页> 外文期刊>感染症学雑誌 >Streptococcus dysgalactiae subsp. equisimilis possessing Lancefield's group A antigen
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Streptococcus dysgalactiae subsp. equisimilis possessing Lancefield's group A antigen

机译：链球菌dysgalactiae亚种。具有兰斯菲尔德A组抗原的木马

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摘要

We isolated Streptococcus dysgalactiae subsp. equisimilis with Lancefield's group A antigen from a patient in Osaka City. This clinical isolate formed beta-hemolytic large colonies on sheep blood agar, and was catalase-negative gram-positive cocci carrying Lancefield's group A antigen. Therefore, Streptococcus pyogenes and this clinical isolate could not be classified by the conventional method on the basis of Lancefield's group antigen. In addition, the rapid detection system of group A streptococci based on group A antigen detection techniques could not divide into two species. Recently, S. dysgalactiae subsp. equisimilis with Lancefield's group G antigen has been isolated from severe invasive streptococcal infection in an increasing frequency in Japan. A possibility that group A S. dysgalactiae subsp. equisimilis cause a serious infection from now on cannot be denied. Thus the discrimination of S. pyogenes from group A S. dysgalactiae subsp. equisimilis is very important. To identify beta-hemolytic streptococci, it is necessary to consider a serogrouping test as one of characteristics of streptococci, and to identify by checking biochemical tests like the PYR test.
机译：我们分离了dysgalactiae链球菌亚种。与大阪市一名患者的兰斯菲尔德A组抗原相当。该临床分离株在绵羊血琼脂上形成了β-溶血性大菌落，并且是带有兰斯菲尔德A组抗原的过氧化氢酶阴性革兰氏阳性球菌。因此，化脓性链球菌和该临床分离株不能通过常规方法基于兰斯菲尔德氏菌群抗原进行分类。另外，基于A组抗原检测技术的A组链球菌快速检测系统不能分为两种。最近，S。dysgalactiae亚种。在日本，从严重的侵袭性链球菌感染中分离出与兰斯菲尔德的G组抗原类似的动物。 A. S. dysgalactiae组亚种的可能性。从现在开始，equipsimilis引起严重感染，这一点不可否认。因此，区分化脓性链球菌与A. S. dysgalactiae亚组。等值非常重要。为了鉴定β-溶血性链球菌，有必要将血清分组试验视为链球菌的特征之一，并通过检查像PYR试验这样的生化试验来鉴定。

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