N-3-oxo-dodecanoyl-L-Homoserine lactone (N-3-oxo-dodecanoyl-L-HSL) is a diffusible molecule involved in quorum sensing by bacteria. HSLs are also produced following proteolytic cleavage at a methionine residue by cyanogen bromide, as may be done during protein analysis. N-dodecanoyl-L-HSL-3-hydrazone-fluorescein is a fluorescently tagged probe which allows the HSL molecule to be detected using fluorescence-based techniques.
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