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Detection of quorum-sensing N-acyl homoserine lactone signal molecules by bacterial biosensors

  1. Laura Steindler1,
  2. Vittorio Venturi1,2

Article first published online: 7 NOV 2006

DOI: 10.1111/j.1574-6968.2006.00501.x

Issue

FEMS Microbiology Letters

FEMS Microbiology Letters

Volume 266, Issue 1, pages 1–9, January 2007

Additional Information

How to Cite

Steindler, L. and Venturi, V. (2007), Detection of quorum-sensing N-acyl homoserine lactone signal molecules by bacterial biosensors. FEMS Microbiology Letters, 266: 1–9. doi: 10.1111/j.1574-6968.2006.00501.x

Author Information

  1. 1

    Bacteriology Group, International Centre for Genetic Engineering & Biotechnology, Padriciano, Trieste, Italy

  2. 2

    Plant Bacteriology Group, International Centre for Genetic Engineering & Biotechnology, Biosafety Outstation, Via Piovega, Ca' Tron di Roncade, Treviso, Italy

*Correspondence: Vittorio Venturi, Bacteriology Group, International Centre for Genetic Engineering & Biotechnology, Padriciano 99, 34012 Trieste, Italy. Tel.: +040 3757317; fax: +040 226555; e-mail: venturi@icgeb.org

  1. Editor: Richard Staples

Publication History

  1. Issue published online: 8 NOV 2006
  2. Article first published online: 7 NOV 2006
  3. Received 18 August 2006; revised 2 October 2006; accepted 9 October 2006.First published online 7 November 2006.

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Keywords:

  • N-acyl homoserine lactone;
  • quorum sensing;
  • signal molecules;
  • bacterial communication

Abstract

Many Gram-negative bacteria use N-acyl homoserine lactones (AHLs) as quorum-sensing (QS) signal molecules. AHL QS has been the subject of extensive investigation in the last decade and has become a paradigm for bacterial intercellular signaling. Research in AHL QS has been considerably aided by simple methods devised to detect AHLs using bacterial biosensors that phenotypically respond when exposed to exogenous AHLs. This article reviews and discusses the currently available bacterial biosensors which can be used in detecting and studying the different AHLs.

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