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Applied and Environmental Microbiology, May 2009, p. 3355-3357, Vol. 75, No. 10
0099-2240/09/$08.00+0 doi:10.1128/AEM.02819-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

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Aurelia Hiron,
,
Jean-Christophe Piard, and
Vincent Juillard
UR888, Unité Bactéries Lactiques et Pathogènes Opportunistes, Institut National de la Recherche Agronomique, Domaine de Vilvert, 78352 Jouy en Josas Cedex, France
Received 12 December 2008/ Accepted 6 March 2009
Staphylococcus aureus RN6390 presents a diauxic growth in milk, due to amino acid limitation. Inactivation of the oligopeptide permease Opp3 (dedicated to the nitrogen nutrition of the strain) not only affects the growth of the strain but also results in reduced expression levels of three major extracellular proteases.
Published ahead of print on 13 March 2009.
These authors contributed equally to this work.
Present address: Biology of Gram-Positive Pathogens, CNRS URA 2172, Department of Microbiology, Institut Pasteur, 25 Rue du Dr Roux, 75724 Paris cedex 15, France.
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