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Volume 17, Number 5—May 2011
Research

Genotypic Profile of Streptococcus suis Serotype 2 and Clinical Features of Infection in Humans, Thailand

Kazunori Oishi, Surang Dejsirilert, Parichart Puangpatra, Saowalak Sripakdee, Koranan Chumla, Nitsara Boonkerd, Pitimol Polwichai, Susumu Tanimura, Dan Takeuchi, Tatsuya Nakayama, Shota Nakamura, Yukihiro Akeda, Marcelo Gottschalk, Pathom Sawanpanyalert, and Anusak KerdsinComments to Author 
Author affiliations: Author affiliations: Ministry of Public Health, Nonthaburi, Thailand (A. Kerdsin, S. Dejsirilert, P. Puangpatra, S. Sripakdee, K. Chumla, N. Boonkerd, P. Polwichai, P. Sawanpanyalert); Naresuan University Phayao Campus, Phayao, Thailand (N. Boonkerd); Hyogo College of Medicine, Nishinomiya, Japan (S. Tanimura); Osaka University, Osaka, Japan (D. Takeuchi, T. Nakayama, Y. Akeda, K. Oishi); Thailand-Japan Research Collaboration Center for Emerging and Re-emerging Infections, Nonthaburi (S. Nakamura); University of Montreal, Quebec, Canada (M. Gottschalk)

Main Article

Table 1

Genotypic profiles of 165 clinical isolates of Streptococcus suis serotype 2, Thailand, January 2006–August 2008*

ST complex ST VAG† Isolation site 89K PAI
 No. (%) strains
+ –
1
 1 epf–/sly+/mrp+ Blood 1 0 103 (62.4)
epf+/sly+/mrp+ Blood 52 13
CSF 29 5
epf+/sly+/mrps Blood 0 1
CSF 0 2
126
 epf+/sly+/mrp+
 Blood 1 0 3 (1.8)
CSF
 2
 0
27
 28
 epf–/sly–/mrp+
 Blood 0 1 3 (1.8)
CSF
 0
 2
29
 25 epf–/sly–/mrp* Blood 8 0 11 (6.7)
epf–/sly–/mrp+ Blood 3 0
103
 epf–/sly–/mrp* Blood 2 0 3 (1.8)
epf–/sly–/mrp+
 Blood
 1
 0
104
 104
 epf–/sly+/mrp–
 Blood 3 38 42 (25.5)
CSF
 0
 1
Total no. strains – – – 102 63 165 (100)

*ST, sequence type; VAG, virulence-associated gene; 89K PAI, an ≈89-kb pathogenicity island; CSF, cerebrospinal fluid; –, not applicable.
†mrps and mrp* are mrp variants that produce ≈750-bp and ≈1,800-bp fragments, respectively, by PCR (23,34).

Main Article

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Page created: August 08, 2011
Page updated: August 08, 2011
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