Biochemistry (Washington) 2010-07-13

Establishing a quantitative definition of quorum sensing provides insight into the information content of the autoinducer signals in Vibrio harveyi and Escherichia coli.

Jessica R Gooding, Amanda L May, Kathryn R Hilliard, Shawn R Campagna

Index: Biochemistry 49(27) , 5621-3, (2010)

Full Text: HTML

Abstract

Extracellular autoinducer concentrations in cultures of Vibrio harveyi and Escherichia coli were monitored by liquid chromatography-tandem mass spectrometry to test whether a quantitative definition of quorum sensing could help decipher the information content of these signals. Although V. harveyi was able to keep the autoinducer-2 to cell number ratio constant, the ratio of signal to cell number for V. harveyi autoinducer-1 and E. coli autoinducer-2 varied as the cultures grew. These data indicate that V. harveyi uses autoinducer-2 for quorum sensing, while the other molecules may be used to transmit different information or are influenced by metabolic noise.

Related Compounds

  • N-(Ketocaproyl)-D...

Related Articles:

Substrate specificity and function of the pheromone receptor AinR in Vibrio fischeri ES114.

2013-11-01

[J. Bacteriol. 195(22) , 5223-32, (2013)]

Attenuation of Vibrio fischeri quorum sensing using rationally designed polymers.

2010-04-12

[Biomacromolecules 11(4) , 975-80, (2010)]

The crystal structure of the Escherichia coli autoinducer-2 processing protein LsrF.

2009-01-01

[PLoS ONE 4(8) , e6820, (2009)]

Identification of hydroxyl radical oxidation products of N-hexanoyl-homoserine lactone by reversed-phase high-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry.

2009-04-01

[Rapid Commun. Mass Spectrom. 23(8) , 1212-20, (2009)]

Two G-protein-coupled-receptor candidates, Cand2 and Cand7, are involved in Arabidopsis root growth mediated by the bacterial quorum-sensing signals N-acyl-homoserine lactones.

2012-01-20

[Biochem. Biophys. Res. Commun. 417(3) , 991-5, (2012)]

More Articles...