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Curr Microbiol. 2008 Jun;56(6):645-50. doi: 10.1007/s00284-008-9140-x. Epub 2008 Mar 5.

Inhibition of quorum sensing in Serratia marcescens H30 by molecular regulation.

Author information

1
State Key Laboratory of Bioreactor Engineering, New World Institute of Biotechnology, East China University of Science and Technology, Shanghai 200237, PRC.

Abstract

Quorum sensing in Serratia marcescens, which uses two types of signaling molecules-N-acyl homoserine lactones and furanosyl borate diester-play important regulatory roles in the synthesis of 2,3-butanediol and prodigiosin. In the hope of understanding the effect of quorum sensing on physiologic metabolism, we established two molecular strategies, one to express acyl-homoserine lactone hydrolase to inactivate AI-1 signaling molecule using an expression vector with lactose as the inducer and the other to mutate luxS gene with a suicide plasmid pUTKm2 to inhibit the synthesis of AI-2 signaling molecule.

PMID:
18320272
DOI:
10.1007/s00284-008-9140-x
[Indexed for MEDLINE]

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