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Journal of Clinical Microbiology, October 2001, p. 3520-3523, Vol. 39, No. 10
0095-1137/01/$04.00+0   DOI: 10.1128/JCM.39.10.3520-3523.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

Granulicatella and Abiotrophia Species from Human Clinical Specimens

Jens Jørgen Christensen1,* and Richard R. Facklam2

Department of Clinical Microbiology at Statens Serum Institut, Copenhagen, Denmark,1 and The Streptococcus Laboratory, Respiratory Diseases Branch, Division of Bacterial and Mycotic Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia2

Received 22 May 2001/Returned for modification 4 July 2001/Accepted 27 July 2001

One hundred one isolates of nutritionally variant streptococci from 97 patients were phenotypically characterized and compared with the type strains of Granulicatella adiacens (formerly Abiotrophia adiacens) (ATCC 49175T) Abiotrophia defectiva (ATCC 49176T), and Granulicatella elegans (formerly Abiotrophia elegans) (DSM 11693T). Of the isolates, 55 and 43 resembled G. adiacens and A. defectiva, respectively, while 3 strains resembled G. elegans. Phenotypic characteristics useful in differentiating between species within the genera Granulicatella and Abiotrophia (G. adiacens, G. elegans, Granulicatella balaenopterae, and A. defectiva) were production of alpha - and beta -galactosidase; production of beta -glucuronidase; hippurate hydrolysis; arginine dihydrolase activity; and acid production from trehalose, sucrose, pullulan, and tagatose. From the reports submitted with the specimens, the clinical diagnosis was endocarditis in 58% of patients and septicemia or bacteremia in 26% of patients.


* Corresponding author. Mailing address: Department of Clinical Microbiology, Statens Serum Institut, Artillerivej 5, DK-2300 Copenhagen S, Denmark. Phone: 45 3268 3572. Fax: 45 3268 3873. E-mail: jjc{at}ssi.dk.


Journal of Clinical Microbiology, October 2001, p. 3520-3523, Vol. 39, No. 10
0095-1137/01/$04.00+0   DOI: 10.1128/JCM.39.10.3520-3523.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.



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