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Journal of Clinical Microbiology, August 1999, p. 2446-2449, Vol. 37, No. 8
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Involvement of Enterotoxins G and I in
Staphylococcal Toxic Shock Syndrome and Staphylococcal Scarlet
Fever
Sophie
Jarraud,1
Grégoire
Cozon,2
François
Vandenesch,1
Michèle
Bes,1
Jerome
Etienne,1 and
Gerard
Lina1,*
Centre National de Référence des
Toxémies Staphylococciques, Faculté de Médecine,
69372 Lyon Cedex 08,1 and Unité
d'Immunologie, Hôpital de la Croix-Rousse, 69317 Lyon Cedex
04,2 France
Received 12 February 1999/Returned for modification 19 March
1999/Accepted 27 April 1999
We investigated the involvement of the recently described
staphylococcal enterotoxins G and I in toxic shock syndrome. We reexamined Staphylococcus aureus strains isolated from
patients with menstrual and nonmenstrual toxic shock syndrome (nine
cases) or staphylococcal scarlet fever (three cases). These strains
were selected because they produced none of the toxins known to be involved in these syndromes (toxic shock syndrome toxin 1 and enterotoxins A, B, C, and D), enterotoxin E or H, or exfoliative toxin
A or B, despite the fact that superantigenic toxins were detected in a
CD69-specific flow cytometry assay measuring T-cell activation. Sets of
primers specific to the enterotoxin G and I genes (seg and
sei, respectively) were designed and used for PCR
amplification. All of the strains were positive for seg and sei. Sequence analysis confirmed that the PCR products,
corresponded to the target genes. We suggest that staphylococcal
enterotoxins G and I may be capable of causing human staphylococcal
toxic shock syndrome and staphylococcal scarlet fever.
*
Corresponding author. Mailing address: Faculté de
Médecine, Laboratoire de Bactériologie, Rue Guillaume
Paradin, 69372 Lyon Cedex 08, France. Phone: 33 (0) 478 77 86 57. Fax:
33 (0) 478 77 86 58. E-mail: geralina{at}univ-lyon1.fr.
Journal of Clinical Microbiology, August 1999, p. 2446-2449, Vol. 37, No. 8
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
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