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Enterobacter asburiae Strain L1: Complete Genome and Whole Genome Optical Mapping Analysis of a Quorum Sensing Bacterium

Division of Genetics and Molecular Biology, Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia
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Sensors 2014, 14(8), 13913-13924; https://doi.org/10.3390/s140813913
Received: 26 May 2014 / Revised: 7 July 2014 / Accepted: 23 July 2014 / Published: 30 July 2014
(This article belongs to the Section Biosensors)
Enterobacter asburiae L1 is a quorum sensing bacterium isolated from lettuce leaves. In this study, for the first time, the complete genome of E. asburiae L1 was sequenced using the single molecule real time sequencer (PacBio RSII) and the whole genome sequence was verified by using optical genome mapping (OpGen) technology. In our previous study, E. asburiae L1 has been reported to produce AHLs, suggesting the possibility of virulence factor regulation which is quorum sensing dependent. This evoked our interest to study the genome of this bacterium and here we present the complete genome of E. asburiae L1, which carries the virulence factor gene virK, the N-acyl homoserine lactone-based QS transcriptional regulator gene luxR and the N-acyl homoserine lactone synthase gene which we firstly named easI. The availability of the whole genome sequence of E. asburiae L1 will pave the way for the study of the QS-mediated gene expression in this bacterium. Hence, the importance and functions of these signaling molecules can be further studied in the hope of elucidating the mechanisms of QS-regulation in E. asburiae. To the best of our knowledge, this is the first documentation of both a complete genome sequence and the establishment of the molecular basis of QS properties of E. asburiae. View Full-Text
Keywords: Enterobacter asburiae; quorum sensing; N-acyl homoserine lactone synthase; food spoilage; food safety; virulence factors; next-generation sequencing technology Enterobacter asburiae; quorum sensing; N-acyl homoserine lactone synthase; food spoilage; food safety; virulence factors; next-generation sequencing technology
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MDPI and ACS Style

Lau, Y.Y.; Yin, W.-F.; Chan, K.-G. Enterobacter asburiae Strain L1: Complete Genome and Whole Genome Optical Mapping Analysis of a Quorum Sensing Bacterium. Sensors 2014, 14, 13913-13924. https://doi.org/10.3390/s140813913

AMA Style

Lau YY, Yin W-F, Chan K-G. Enterobacter asburiae Strain L1: Complete Genome and Whole Genome Optical Mapping Analysis of a Quorum Sensing Bacterium. Sensors. 2014; 14(8):13913-13924. https://doi.org/10.3390/s140813913

Chicago/Turabian Style

Lau, Yin Y., Wai-Fong Yin, and Kok-Gan Chan. 2014. "Enterobacter asburiae Strain L1: Complete Genome and Whole Genome Optical Mapping Analysis of a Quorum Sensing Bacterium" Sensors 14, no. 8: 13913-13924. https://doi.org/10.3390/s140813913

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