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Journal of Clinical Microbiology, July 2007, p. 2327-2329, Vol. 45, No. 7
0095-1137/07/$08.00+0     doi:10.1128/JCM.01765-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

CASE REPORT

The Other Group G Streptococcus: Increased Detection of Streptococcus canis Ulcer Infections in Dog Owners{triangledown}

Maggie M. Lam,1 Jill E. Clarridge III,1,2* E. J. Young,3 and Sally Mizuki2

Department of Laboratory Medicine, University of Washington,1 Pathology and Laboratory Medicine Service, Veterans Affairs Medical Center, Seattle, Washington,2 Infectious Disease Service, Veterans Affairs Medical Center, Houston, Texas3

Received 25 August 2006/ Returned for modification 5 November 2006/ Accepted 16 January 2007

ß-Hemolytic Lancefield group G Streptococcus dysgalactiae and Streptococcus canis cannot be distinguished when only Lancefield typing is performed. Phenotypic testing and 16S rRNA gene sequencing identified S. canis associated with ulcer infections in dog owners. Because S. canis may be incorrectly identified (published biochemical descriptions are inconsistent), there may be an underestimation of the true number of infections. Identification of group G streptococci to the species level could have epidemiological and clinical implications.


* Corresponding author. Mailing address: Pathology and Laboratory Medicine Service, VA Medical Center, 1660 S. Columbian Way, Seattle, WA 98108. Phone: (206) 277-4514. Fax: (206) 764-2001. E-mail: jill.clarridge{at}va.gov

{triangledown} Published ahead of print on 2 May 2007.


Journal of Clinical Microbiology, July 2007, p. 2327-2329, Vol. 45, No. 7
0095-1137/07/$08.00+0     doi:10.1128/JCM.01765-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.