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 Manickam
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 | ||
| – | – | |
| + | + | |
| Glycerol | – | – |
| Inulin | + | + |
| Lactose | + | + |
| Maltose | + | + |
| Mannitol | – | – |
| Melezitose | – | – |
| Melibiose | Variable | + |
| Raffinose | Variable | + |
| Ribose | – | – |
| Salicin | + | + |
| Sorbitol | – | – |
| Sucrose | + | + |
| Trehalose |
+ |
+ |
| Hydrolyzed | ||
| + | – | |
| 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).
References
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