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Sensors 2014, 14(7), 11595-11604; doi:10.3390/s140711595
Article

Pseudomonas cremoricolorata Strain ND07 Produces N-acyl Homoserine Lactones as Quorum Sensing Molecules

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Received: 28 May 2014; in revised form: 19 June 2014 / Accepted: 26 June 2014 / Published: 30 June 2014
(This article belongs to the Section Biosensors)
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Abstract: Quorum sensing (QS) is a bacterial cell-to-cell communication system controlling QS-mediated genes which is synchronized with the population density. The regulation of specific gene activity is dependent on the signaling molecules produced, namely N-acyl homoserine lactones (AHLs). We report here the identification and characterization of AHLs produced by bacterial strain ND07 isolated from a Malaysian fresh water sample. Molecular identification showed that strain ND07 is clustered closely to Pseudomonas cremoricolorata. Spent culture supernatant extract of P. cremoricolorata strain ND07 activated the AHL biosensor Chromobacterium violaceum CV026. Using high resolution triple quadrupole liquid chromatography-mass spectrometry, it was confirmed that P. cremoricolorata strain ND07 produced N-octanoyl-l-homoserine lactone (C8-HSL) and N-decanoyl-l-homoserine lactone (C10-HSL). To the best of our knowledge, this is the first documentation on the production of C10-HSL in P. cremoricolorata strain ND07.
Keywords: cell-to-cell communication; mass spectrometry; triple quadrupole liquid chromatography mass spectrometry; N-octanoyl-l-homoserine lactone (C8-HSL); N-decanoyl-l-homoserine lactone (C10-HSL); Pseudomonas cremoricolorata cell-to-cell communication; mass spectrometry; triple quadrupole liquid chromatography mass spectrometry; N-octanoyl-l-homoserine lactone (C8-HSL); N-decanoyl-l-homoserine lactone (C10-HSL); Pseudomonas cremoricolorata
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Yunos, N.Y.M.; Tan, W.-S.; Koh, C.-L.; Sam, C.-K.; Mohamad, N.I.; Tan, P.-W.; Adrian, T.-G.-S.; Yin, W.-F.; Chan, K.-G. Pseudomonas cremoricolorata Strain ND07 Produces N-acyl Homoserine Lactones as Quorum Sensing Molecules. Sensors 2014, 14, 11595-11604.

AMA Style

Yunos NYM, Tan W-S, Koh C-L, Sam C-K, Mohamad NI, Tan P-W, Adrian T-G-S, Yin W-F, Chan K-G. Pseudomonas cremoricolorata Strain ND07 Produces N-acyl Homoserine Lactones as Quorum Sensing Molecules. Sensors. 2014; 14(7):11595-11604.

Chicago/Turabian Style

Yunos, Nina Y.M.; Tan, Wen-Si; Koh, Chong-Lek; Sam, Choon-Kook; Mohamad, Nur I.; Tan, Pui-Wan; Adrian, Tan-Guan-Sheng; Yin, Wai-Fong; Chan, Kok-Gan. 2014. "Pseudomonas cremoricolorata Strain ND07 Produces N-acyl Homoserine Lactones as Quorum Sensing Molecules." Sensors 14, no. 7: 11595-11604.


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