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Journal of Bacteriology, January 2005, p. 392-395, Vol. 187, No. 1
0021-9193/05/$08.00+0     doi:10.1128/JB.187.1.392-395.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

Proteomics Analysis by Two-Dimensional Differential Gel Electrophoresis Reveals the Lack of a Broad Response of Neisseria meningitidis to In Vitro-Produced AI-2

Stephan Schauder,1 Lucia Penna,1 Adeline Ritton,1 Catherine Manin,1 Fabienne Parker,2 and Geneviève Renauld-Mongénie1*

Aventis Pasteur, Marcy l'Etoile,1 Aventis Pharma, Vitry-sur-Seine, France2

Received 27 July 2004/ Accepted 27 September 2004

To investigate the effect of the autoinducer AI-2 on protein expression in Neisseria meningitidis, a luxS mutant of strain MC58 was grown in the presence and absence of in vitro-produced AI-2, and differential protein expression was assessed by two-dimensional differential gel electrophoresis. N. meningitidis did not show a global response to AI-2 signaling activity.

* Corresponding author. Mailing address: Research Department, Microbiology, Aventis Pasteur, 1541 avenue Marcel Mérieux, 69280 Marcy l'Etoile, France. Phone: 33 43737 3505. Fax: 33 43737 3639. E-mail: genevieve.renauld{at}aventis.com.

Journal of Bacteriology, January 2005, p. 392-395, Vol. 187, No. 1
0021-9193/05/$08.00+0     doi:10.1128/JB.187.1.392-395.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



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