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首页> 外文期刊>Journal of Clinical Microbiology >Description of 14 new capsular types of Streptococcus suis.
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Description of 14 new capsular types of Streptococcus suis.

机译：猪链球菌的14种新荚膜类型的描述。

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摘要

Fourteen new capsular types of Streptococcus suis (types 9 to 22) are described. All reference strains are morphologically and biochemically similar to types previously described. Reference strain types 9 to 13, 15, 16, and 22 were isolated from diseased pigs, whereas types 17 to 19 and 21 came from clinically healthy pigs; type 14 was isolated from a human case of meningitis, and type 20 was isolated from a diseased calf. The group T streptococcus of de Moor has been included in the typing system as type 15. Two-way cross-reactions between types 6 and 16 and a one-way cross-reaction between types 2 and 22 have been demonstrated. In addition, several cross-reactions probably not due to capsular material were detected among different types by using the coagglutination test. This test should not be used alone; weak or multiple positive reactions must be confirmed by the capsular reaction test or the capillary precipitation test.
机译：描述了十四种新的猪链球菌荚膜类型（9至22型）。所有参考菌株在形态和生物化学上均与前述类型相似。从患病猪中分离出了参考菌株9至13、15、16和22，而从临床健康猪中分离出了17至19和21。从人脑膜炎病例中分离出14型，从患病小牛中分离出20型。 de Moor的T链球菌被列为类型15。在类型6和16之间发生了双向交叉反应，在类型2和22之间发生了单向交叉反应。另外，通过凝集试验，在不同类型之间检测到了几种可能不是由荚膜材料引起的交叉反应。该测试不应单独使用;弱反应或多重阳性反应必须通过荚膜反应测试或毛细管沉淀测试来确认。

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