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Journal of Bacteriology, June 2006, p. 4570-4572, Vol. 188, No. 12
0021-9193/06/$08.00+0     doi:10.1128/JB.00144-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

N-Acyl-L-Homoserine Lactone Quorum Sensing Controls Butanediol Fermentation in Serratia plymuthica RVH1 and Serratia marcescens MG1

Rob Van Houdt, Pieter Moons, Maria Hueso Buj, and Chris W. Michiels*

Centre for Food and Microbial Technology, Department of Microbial and Molecular Systems, Faculty of Bioscience Engineering, Katholieke Universiteit Leuven, Kasteelpark Arenberg 22, B-3001 Leuven, Belgium

Received 26 January 2006/ Accepted 20 March 2006

Butanediol fermentation in two Serratia species is shown to be affected by N-acyl-L-homoserine lactone-dependent quorum sensing. Knockout of quorum-sensing signal production caused a shift towards enhanced acid production, resulting in early growth arrest, which was reversible by the addition of synthetic signal molecules.

* Corresponding author. Mailing address: Centre for Food and Microbial Technology, Department of Microbial and Molecular Systems, Faculty of Bioscience Engineering, Katholieke Universiteit Leuven, Kasteelpark Arenberg 22, B-3001 Leuven, Belgium. Phone: 32-16-321578. Fax: 32-16-321960. E-mail: chris.michiels{at}biw.kuleuven.be.

Journal of Bacteriology, June 2006, p. 4570-4572, Vol. 188, No. 12
0021-9193/06/$08.00+0     doi:10.1128/JB.00144-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.



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