CHARACTERIZATION OF 6 NEW CAPSULAR TYPES (23 THROUGH 28) OF STREPTOCOCCUS-SUIS
CHARACTERIZATION OF 6 NEW CAPSULAR TYPES (23 THROUGH 28) OF STREPTOCOCCUS-SUIS
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DOI：
10.1128/jcm.29.11.2590-2594.1991
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发表时间：
1991-11-01
影响因子：
9.4
通讯作者：
HENRICHSEN, J
中科院分区：
文献类型：
--
作者：
GOTTSCHALK, M;HIGGINS, R;HENRICHSEN, J
本文描述了六种新的猪链球菌囊型(23~28型)。所有参考菌株都是从患病的猪身上分离出来的，在形态和生化上与前面描述的包膜类型1至22相似。用三种不同的分型技术对每一种新的囊型进行了明确和特异的反应；它们之间以及与其他猪链球菌囊型之间没有发现交叉反应。在电子显微镜下，它们的囊膜材料表现出相似的超微结构特征，并观察到与其他猪链球菌囊膜类型相似的菌毛。当不能分型的田间分离株用针对6种新的囊型的抗血清进行测试时，囊型23似乎是最常见的，占所有这些分离物的50%以上。大多数分离株是从肺炎、败血症和脑膜炎病例中恢复的。为猪链球菌囊型1至22描述的推定生化鉴定也可用于囊型23至28。
Six new capsular types of Streptococcus suis (types 23 to 28) are described. All reference strains were isolated from diseased pigs and were morphologically and biochemically similar to previously described capsular types 1 to 22. Clear and specific reactions were obtained for each of the new capsular types with three different typing techniques; no cross-reactions were detected among them or with other S. suis capsular types. Their capsular material presented similar ultrastructural characteristics, as shown by electron microscopy, and fimbriae similar to those described for other capsular types of S. suis were observed. When untypeable field isolates were tested with antisera raised against the six new capsular types, capsular type 23 appeared to be the most prevalent, representing more than 50% of all these isolates. Most isolates were recovered from cases of pneumonia, septicemia, and meningitis. Presumptive biochemical identification described for S. suis capsular types 1 to 22 may also be used for capsular types 23 to 28.