J Clin Microbiol 1995, 33:1080–1083.PubMed 36. Murrey BE, Singh KV, Heath JD, Sharma BR, Weinstock GM: Comparison of genomic DNAs of different enterococcal Capmatinib isolates using restriction endonucleases
with infrequent recognition sites. J Clin Microbiol 1990, 28:2059–2063. 37. Altschul SF, Gish W, Miller W, Myers EW, Lipman DJ: Basic local alignment search tool. J Mol Biol 1990, 215:403–410.PubMed 38. Carver T, Berriman M, Tivey A, Patel C, Böhme U, Barrell BG, Parkhill J, Rajandream M-A: Artemis and ACT: viewing, annotating find more and comparing sequences stored in a relational database. Bioinformatics 2008, 24:2672–2676.PubMedCrossRef 39. Larkin MA, Blackshields G, Brown NP, Chenna R, McGettigan PA, McWilliam H, Valentin F, Wallace IM, Wilm A, Lopez R, et al.: Clustal W and Clustal X version 2.0. Bioinformatics 2007, 23:2947–2948.PubMedCrossRef Competing interests The authors declare that they have no competing interests. Authors’ contributions TS and FT carried out the genome sequencing studies, participated in the sequence alignment and drafted the manuscript. TKo carried out
maintenance, quality control and propagation of the bacterial strain for genome sequencing. AY and TKe participated in the design of the study. MT and KS conceived of and participated in coordination of the study, respectively. MK and MI coordinated the study, and drafted and finalized the manuscript. All C646 supplier authors read and approved the final manuscript.”
“Background Gram-negative bacteria use a variety of self-produced
autoinducers such as acylated homoserine lactones as a language for quorum sensing (QS) within and between bacterial species. Several bacterial species synthesize specific acylated homoserine lactones (acyl-HSLs) by means of a LuxI-type enzyme, and respond to cognate acyl-HSL by using a LuxR-type intracellular receptor [1, 2]. It is considered that the selection of bacterial languages is necessary to regulate gene expression and thus it leads to a growth advantage in several environments. The opportunistic bacterium P. aeruginosa is widespread in various environments and utilizes two acyl-HSL signaling molecules, N-(3-oxododecanoyl)-L-homoserine lactone (3-oxo-C12-HSL), and N-butanoyl-L-homoserine lactone (C4-HSL), and two receptor proteins, LasR and RhlR, respectively [3]. 3-oxo-C12-HSL binds to LasR and activates Adenosine triphosphate LasR function. The 3-oxo-C12-HSL-LasR complex regulates many genes, including the rhl system [4–6]. Furthermore, P. aeruginosa uses a third signal, Pseudomonas quinolone signal (PQS) and the PqsR receptor protein [7]. Expression of many virulence factors is regulated by QS in P. aeruginosa[4–6, 8, 9]. Accordingly, a specific response to an autoinducer is important to determine the virulence of P. aeruginosa. Analysis of the crystal structures of the N-terminal half of the P. aeruginosa full-length LasR or the crystal structure of A. tumefaciences full-length TraR, which is a homolog of P.
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