Characterization of Streptococcus suis Isolates from Slaughter Swine

被引：25
作者：
Wang, Kaicheng [1 ]
Zhang, Wei [2 ]
Li, Xiaocheng [1 ]
Lu, Chengping [2 ]
Chen, Jiming [1 ]
Fan, Weixing [1 ]
Huang, Baoxu [1 ]
机构：
[1] China Anim Hlth & Epidemiol Ctr, Qingdao, Peoples R China
[2] Nanjing Agr Univ, Coll Vet Med, Nanjing, Jiangsu, Peoples R China
来源：
CURRENT MICROBIOLOGY | 2013年 / 66卷 / 04期
关键词：
CAPSULAR TYPES; VIRULENCE MARKERS; DISEASED PIGS; PCR ASSAYS; MENINGITIS; SEROTYPES; INFECTION; PATHOGEN; STRAINS; CHINA;
D O I：
10.1007/s00284-012-0275-4
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The characterization of 61 Streptococcus suis strains isolated from Chinese slaughter pigs was investigated. S. suis serotypes 1, 2, 3, 4, 7, 9, 10, 11, 12, 13, 14, 15, 16, 22, 23, 25, 26, 28, 29, and 1/2 were found in the isolates by serum agglutination. Of all the prevalent serotypes, S. suis serotype 7 is the most predominant circulating in Chinese slaughter pigs. The virulence-associated genes profile and multilocus sequence typing scheme of the isolates were analyzed. The mrp-/epf-/sly- virulence-associated genes type is the most prevalent in the isolates from slaughter pigs. It is the first time to find S. suis serotypes 7 and 9 isolates with epf. The serotypes 7 and 9 isolates with mrp and/or epf genes did not express MRP and/or EF in the present research. Thirteen new ST types were identified for the first time. ST1 complex and ST27 complex of S. suis are prevalent in China. This paper supplied information to understand the characteristics, such as capsular serotypes, virulence factors, and gene backgrounds of S. suis carried by slaughter pigs.
引用
收藏
页码：344 / 349
页数：6
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