生化分析、cpn60和16S rDNA序列数据表明，从猪身上分离出的猪链球菌32型和34型属于鼠口腔链球菌。

Biochemical analysis, cpn60 and 16S rDNA sequence data indicate that Streptococcus suis serotypes 32 and 34, isolated from pigs, are Streptococcus orisratti.

作者信息

Hill Janet E, Gottschalk Marcelo, Brousseau Roland, Harel Josée, Hemmingsen Sean M, Goh Swee Han

机构信息

National Research Council Plant Biotechnology Institute, 110 Gymnasium Place, Saskatoon, Saskatchewan, SK, Canada S7N 0W9.

出版信息

Vet Microbiol. 2005 Apr 25;107(1-2):63-9. doi: 10.1016/j.vetmic.2005.01.003.

DOI:10.1016/j.vetmic.2005.01.003

PMID:15795078

Abstract

Streptococcus suis serotypes have traditionally been identified by morphology, biochemical profiling and serotyping. Analysis of the sequences of 16S rRNA and cpn60 genes of the 35 characterized serotypes of S. suis led to the observation that two serotypes 32 and 34, are significantly distinct from other S. suis serotypes and may represent a distinct species. Here we present DNA sequence data and biochemical profiles which indicate that S. suis serotypes 32 and 34, isolated from pigs, are clustered with Streptococcus orisratti, a Voges-Proskauer negative, alpha-haemolytic, aesculin-hydrolytic, Lancefield group A streptococcus isolated from the teeth of rats.

摘要

猪链球菌血清型传统上是通过形态学、生化分析和血清分型来鉴定的。对35种已鉴定特征的猪链球菌血清型的16S rRNA和cpn60基因序列进行分析后发现，血清型32和34与其他猪链球菌血清型有显著差异，可能代表一个独特的物种。在此，我们展示了DNA序列数据和生化分析结果，这些数据表明，从猪身上分离出的猪链球菌血清型32和34与鼠口腔链球菌聚在一起，鼠口腔链球菌是一种从大鼠牙齿中分离出的Voges-Proskauer阴性、α-溶血、水解七叶苷、兰斯菲尔德A组链球菌。