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Volume 17, Number 12—December 2011

Research

Lineage and Virulence of Streptococcus suis Serotype 2 Isolates from North America

Nahuel Fittipaldi, Jiangu Xu, Sonia Lacouture, Prasit Tharavichitkul, Makoto Osaki, Tsutomu Sekizaki, Daisuke Takamatsu, and Marcelo GottschalkComments to Author 
Author affiliations: Université de Montréal, St-Hyacinthe, Quebec, Canada (N. Fittipaldi, S. Lacouture, M. Gottschalk); National Institute for Communicable Disease Control and Prevention, Beijing, People’s Republic of China (J. Xu); Chiang Mai University, Chiang Mai, Thailand (P. Tharavichitkul); Agriculture, Forestry and Fisheries Research Council, Tokyo, Japan (M. Osaki); The University of Tokyo, Tokyo (T. Sekizaki); National Institute of Animal Health, Tsukuba, Japan (D. Takamatsu)

Main Article

Table A1

Streptococcus suis serotype 2 strains used in study of North American isolates and summary of results†

Strain name Country Province/state/ prefecture Isolation date ST Genotype
Phenotype
Host Tissue/ disease
gdh mrp sly epf sipF sfp1 sfp2 srtf sgp1 sgp2 srtG MRP SLY EF Sfp1 Sgp1
P1/7 United Kingdom No data 1981 1 + + + + + + + + + + + + Pig Meningitis
1043248 Canada Quebec 2007 Jan 25 + *** + + + + + + + + Pig Brain
1043629 Canada Quebec 2007 Feb 25 + *** + + + + + + + + Pig Lung
1044423 Canada Ontario 2007 Jun 25 + *** + + + + + + + + Pig No data
1053253 Canada Manitoba 2008 Jan 25 + *** + + + + + + + + Pig Bronchious
1085543 Canada Quebec 2008 Jan 25 + *** + + + + + + + + Pig Meninges
1054470 Canada Quebec 2007 Jun 25 + *** + + + + + + + + Pig Lung
1058691 Canada Manitoba 2007 Aug 25 + *** + + + + + + + + Pig Meninges
1063930 Canada Ontario 2007 Mar 25 + *** + + + + + + + + Pig No data
1064496 Canada Quebec 2007 Jun 25 + *** + + + + + + + + Pig Brain
1055923 Canada Saskatchewan 2007 Aug 25 + *** + + + + + + + + Pig Bronchious
1072913 Canada Quebec 2007 Jan 25 + *** + + + + + + + + Pig Pleura
1074055 Canada Quebec 2008 Feb 25 + + + + + + + + + Pig Meningitis
1078217 Canada Ontario 2008 Feb 25 + *** + + + + + + + + Pig Brain
1078679 Canada Ontario 2008 Feb 25 + *** + + + + + + + + Pig Lung
1084568 Canada Quebec 2008 Mar 25 + * + + + + + + + + Pig Brain
1086117 Canada Manitoba 2008 Apr 25 + s + + + + + + + + Pig Endocardium
1087028 Canada Manitoba 2008 May 25 + *** + + + + + + + + Pig Brain
1088904 Canada Quebec 2008 May 25 + *** + + + + + + + + Pig Meningitis
1091168 Canada Quebec 2008 Jun 25 + *** + + + + + + + + Pig Meningitis
1093400 Canada Ontario 2008 Jun 25 + *** + + + + + + + + Pig Brain
1097204 Canada Quebec 2008 Jun 25 + *** + + + + + + + + Pig Lung
1098986 Canada Quebec 2008 Jul 25 + *** + + + + + + + + Pig Lung
1102864 Canada Quebec 2008 Aug 25 + *** + + + + + + + + Pig Multiple
1102337 Canada Quebec 2008 Jul 25 + *** + + + + + + + + Pig Meningitis
1111483 Canada Quebec 2008 Sep 25 + *** + + + + + + + + Pig Brain
1084708 Canada Ontario 2008 Apr 28 + + + + + + + + + + + + Pig Pleura
1085273 Canada Quebec 2008 Apr 28 + s + + + + + + + + + + Pig Nasal sample
1054471 Canada Manitoba 2007 Jul 28 + + + + + + + + + + + + Pig Brain
1064089 Canada Saskatchewan 2007 Sep 28 + s + + + + + + + + + + Pig Tonsil
1057906 Canada Saskatchewan 2007 Jul 28 + s + + + + + + + + + + Pig Brain
1064773 Canada Quebec 2007 Oct 28 + + + + + + + + + + + Pig Lung
1077008 Canada Quebec 2008 May 28 + * + + + + + + + + Pig Endocardium
1082563 Canada Quebec 2008 Apr 28 + + + + + + + + + + + + Pig Endocardium
1088563 Canada Quebec 2008 May 28 + + + + + + + + + + + + Pig Brain
1089976 Canada Quebec 2008 May 28 + s + + + + + + + + + + Pig Endocardium
1090152 Canada Ontario 2008 Jun 28 + + + + + + + + + + + + Pig Lung
1090686 Canada Saskatchewan 2008 Jun 28 + + + + + + + + + + + + Pig No data
1097205 Canada Ontario 2008 Jun 28 + + + + + + + + + + + + Pig Brain
1097811 Canada Ontario 2008 Jun 28 + s + + + + + + + + + + Pig Liver/lung/kidney
1110359 Canada Quebec 2008 Sep 28 + s + + + + + + + + + + Pig Pleura
1111490 Canada Manitoba 2008 Sep 28 + + + + + + + + + + + + Pig Lung
89-1591 Canada Manitoba 1989 25 + *** + + + + + + + + Pig Septicemia, meningitis
1330 Canada Quebec 1995 28 + + + + + + + + + + + + Pig Lung
0891 Canada Quebec 1995 28 + + + + + + + + + + + + Pig Lung
NIAH11433 Japan No data 1989 1 + + + + + + + + + + + + Pig Meningitis
DAT261 Japan Gunma 1993 Jan 1 + + + + + + + + + + + + Pig Multiple serositis, pneumonia
DAT264 Japan Gunma 1994 Jun 1 + + + + + + + + + + + + Pig Meningitis
DAT229 Japan Aichi 2006 Jan 1 + + + + + + + + + + + + Pig Endocarditis
DAT273 Japan Nagasaki 2002 Feb 1 + + + + + + + + + + Human Meningitis
DAT292 Japan Okinawa 2005 Dec 28 + + + + + + + + + + + + Pig Healthy carrier
DAT242 Japan Ibaraki 1990 Jan 28 + + + + + + + + + + + + Pig Meningitis
DAT245 Japan Ibaraki 1995 Jan 28 + + + + + + + + + + + Pig Meningitis
DAT246 Japan Ibaraki 1996 Apr 28 + + + + + + + + + + + + Pig Septicemia
DAT251 Japan Ishikawa 1991 Jun 28 + + + + + + + + + + + + Pig Liver
DAT253 Japan Ishikawa 1993 Aug 28 + + + + + + + + + + + + Pig Brain
DAT254 Japan Ishikawa 1996 Jul 28 + + + + + + + + + + + + Pig Brain
DAT255 Japan Niigata No data 28 + + + + + + + + + + + + Pig Septicemia
DAT256 Japan Niigata No data 28 + + + + + + + + + + + + Pig Meningitis
DAT259 Japan Gunma 1992 Nov 28 + + + + + + + + + + + + Pig Multiple serositis, pneumonia
DAT260 Japan Gunma 1992 Dec 28 + + + + + + + + + + + + Pig Meningitis
DAT272 Japan Yamagata No data 28 + + + + + + + + + + + + Pig Brain
DAT274 Japan Kumamoto 1994 Mar 28 + + + + + + + + + + + + Pig Endocarditis
DAT281 Japan Kumamoto No data 28 + + + + + + + + + + + Pig Meningitis
DAT285 Japan Ibaraki No data 28 + + + + + + + + + + + + Pig Endocarditis
MNCM01 Thailand Chiang Mai 2000 Jun 1 + + + + + + + + + + + + Human Endocarditis
MNCM06 Thailand Chiang Mai 2000 Aug 1 + + + + + + + + + + + + Human Meningitis
MNCM16 Thailand Chiang Mai 2000 Nov 1 + + + + + + + + + + + + Human Meningitis
MNCM04 Thailand Chiang Mai 2000 Aug 25 + ** + + + + + + + + Human Meningitis
MNCM10 Thailand Chiang Mai 2000 Sep 25 + ** + + + + + + + + Human Septicemia
MNCM24 Thailand Chiang Mai 2001 Aug 25 + ** + + + + + + + + Human Endocarditis
MNCM26 Thailand Chiang Mai 2001 Nov 25 + ** + + + + + + + + Human Meningitis, endocarditis
MNCM51 Thailand Chiang Mai 2002 Oct 25 + ** + + + + + + + + Human Septicemia
MNCM55 Thailand Chiang Mai 2002 Dec 25 + ** + + + + + + + + Human Septic shock
LPH4 Thailand Lamphun 2001 May 25 + ** + + + + + + + + Human Septicemia
LPH12 Thailand Lamphun 2002 Mar 25 + ** + + + + + + + + Human Septic shock
MNCM43 Thailand Chiang Mai 2002 Jun 28 + + + + + + + + + + + + Human Endocarditis
MGGUS1 United States Minnesota 2003 Mar 1 + + + + + + + + + + + + + Pig No data
MGGUS2 United States Wisconsin 2003 Feb 1 + + + + + + + + + + + + + + + Pig Brain
MGGUS3 United States Iowa 2003 May 1 + + + + + + + + + + + + + + + Pig Brain
MGGUS4 United States Iowa 2005 May 25 + + + + + + + + + Pig Septicemia
MGGUS5 United States Nebraska No data 25 + + + + + + + + + Pig Septicemia
MGGUS6 United States Minnesota No data 28 + + + + + + + + + + + + + Pig No data
MGGUS7 United States Kansas 1995 28 + + + + + + + + + + + + + Pig No data
MGGUS8 United States Kansas 1995 28 + + + + + + + + + + + + + Pig No data
MGGUS9 United States Oklahoma 2003 Dec 28 + + + + + + + + + + + Pig Heart
MGGUS10 United States Illinois 2005 May 28 + + + + + + + + + + + + Pig Lung
MGGUS11 United States Virginia 2005 May 28 + + + + + + + + + + + + Pig Lung
MGGUS12 United States Iowa 2005 May 28 + + + + + + + + + + + + Pig Lung
MGGUS13 United States Oklahoma 2004 Oct 28 + + + + + + + + + + + + Pig Liver/lung/ kidney
MGGUS14 United States Oklahoma No data 28 + + + + + + + + + + + + Pig Lung
MGGUS15 United States Oklahoma No data 28 + + + + + + + + + + + + Pig Liver/lung/ kidney
MGGUS16 United States Nebraska 2004 Jun 28 + + + + + + + + + + + + Pig Lung
MGGUS17 United States Oklahoma 2004 Dec 28 + + + + + + + + + + + + Pig Spleen
MGGUS18 United States North Carolina No data 28 + + + + + + + + + + + + Pig Liver/lung/ kidney
MGGUS19 United States Nebraska No data 28 + + + + + + + + + + + + Pig Liver/lung/ kidney
MGGUS20 United States Kentucky 2004 Jan 28 + + + + + + + + + + + + Pig Spleen

†ST, sequence type; MRP, muramidase-released protein; SLY, suilysin; EF, extracellular protein factor; +, positive; −, negative.
‡The identified mrp variant (mrps, mrp, mrp*, mrp**, mrp***, mrp****) is indicated.

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