N-dodecanoyl-L-Homoserine lactone (Synonyms: C12-HSL) |
| カタログ番号GC44355 |
N-ドデカノイル-L-ホモセリン ラクトン (C12-HSL) は、クオラム センシング (QS) シグナル伝達分子です。
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Cas No.: 137173-46-7
Sample solution is provided at 25 µL, 10mM.
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Quorum sensing is a regulatory system used by bacteria for controlling gene expression in response to increasing cell density. Controlling bacterial infections by quenching their quorum sensing systems is a promising field of study. The expression of specific target genes, such as transcriptional regulators belonging to the LuxR family of proteins, is coordinated by the synthesis of diffusible acylhomoserine lactone (AHL) molecules. N-dodecanoyl-L-Homoserine lactone (C12-HSL) is a small diffusible signaling molecule involved in quorum sensing, thereby controlling gene expression and affecting cellular metabolism in bacteria. [1][2][3] In addition to regulating bacterial functions, C12-HSL activates NF-κB in RAW 264.7 macrophages, increasing the expression of TNF-α, interleukin-1β (IL-1β), and IL-8, while other lactones do not.[4] In addition, C12-HSL alters cell cycling and metabolism of human keratinocyte (HaCaT) cells. It is important to note that C12-HSL is distinct from N-3-oxo-dodecanoyl-L-Homoserine lactone which is produced at different times in biofilm development[6] and has different cellular effects.[5]
[1]. Kuo, A., Blough, N.V., and Dunlap, P.V. Multiple N-acyl-L-homoserine lactone autoinducers of luminescence in the marine symbiotic bacterium Vibrio fischeri. Journal of Bacteriology 176(24), 7558-7565 (1994).
[2]. Lithgow, J.K., Wilkinson, A., Hardman, A., et al. The regulatory locus cinRI in Rhizobium leguminosarum controls a network of quorum-sensing loci. Molecular Microbiology 37(1), 81-97 (2000).
[3]. McClean, K.H., Winson, M.K., Fish, L., et al. Quorum-sensing and Chromobacterium violaceum: Exploitation of violacein production and inhibition for the detection of N-acylhomoserine lactones. Microbiology 143, 3703-3711 (1997).
[4]. Gomi, K., Kikuchi, T., Tokue, Y., et al. Mouse and human cell activation by N-dodecanoyl-DL-homoserine lactone, a Chromobacterium violaceum autoinducer. Infection and Immunity 74(12), 7029-7031 (2006).
[5]. Kristiansen, S., Bjarnsholt, T., Adeltoft, D., et al. The Pseudomonas aeruginosa autoinducer dodecanoyl-homoserine lactone inhibits the putrescine synthesis in human cells. Acta Pathologica, Microbiologica, et Immunologica Scandinavica 116, 361-371 (2008).
[6]. Huang, Y.L., Ki, J.S., Lee, O.O., et al. Evidence for the dynamics of acyl homoserine lactone and AHL-producing bacteria during subtidal biofilm formation. ISME Journal 1-9 (2008).
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