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Volume 15, Number 2—February 2009

Letter

Meningitis Caused by Streptococcus suis Serotype 14, North America

Ahmed Haleis, Michelle Alfa, Marcelo Gottschalk, Kathryn Bernard, Allan Ronald, and Kanchana ManickamComments to Author 
Author affiliations: University of Manitoba, Winnipeg, Manitoba, Canada (A. Haleis, A. Ronald); St. Boniface General Hospital, Winnipeg (M. Alfa, K. Manickam); University of Montreal, St.-Hyacinthe, Quebec, Canada (M. Gottschalk); National Microbiology Laboratory, Winnipeg (K. Bernard)

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Table

Identification of organism isolated from cerebrospinal fluid of 59-year-old woman with meningitis, Manitoba, Canada*

Test Streptococcus suis (3) Patient isolate
α-hemolysis on sheep blood agar + +
Motility
Catalase
Oxidase
ND

Fermented
l-arabinose
d-glucose + +
Glycerol
Inulin + +
Lactose + +
Maltose + +
Mannitol
Melezitose
Melibiose Variable +
Raffinose Variable +
Ribose
Salicin + +
Sorbitol
Sucrose + +
Trehalose
+
+
Hydrolyzed
l-arginine +
Esculin/bile esculin +/ND ±
Starch + +
Glycogen + +
Hippurate


Acetoin
Optochin disk
Resistant
ND
Enzymes
α-galactosidase + +
β-galactosidase Variable +
β-glucuronidase + +
Leucine arylamidase + +
N-acetylglucosaminidase + +
Acid phosphatase
Alkaline phosphatase
Pyrrolidonylarylamidase


API Strep code 4640473 high degree (97%) confidence S. suis

*+, positive; –, negative; ND, not done; API Strep code, API 20 Strep, API System (bioMérieux, St.-Laurent, Quebec City, Canada).

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