7,8-Dimethylalloxazine; riboflavin minus its ribityl side chain; produced by ultraviolet irradiation of riboflavin in acid solution.
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2008) demonstrated that lumichrome, a derivative of the vitamin riboflavin that is produced by the unicellular alga Chlamydomonas reinhardtii (as well as other prokaryotes and eukaryotes) can interact with the bacterial receptor for QS signals and elicit QS responses.
The vitamin riboflavin and its derivative lumichrome activate the LasR bacterial quorum-sensing receptor.
Signals of microbial origin can influence shoot processes, including AHLs that can stimulate transpiration (Joseph and Phillips 2003) and lumichrome and other rhizobia molecules that stimulate leaf expansion (Matiru and Dakora 2005).
Lumichrome, a principal photoproduct of riboflavin, was shown to photosensitize BaP under natural sunlight after photolysis of riboflavin.
1994, 1995), and lumichrome isolated from conspecifics induced settlement of larvae of the ascidian Halocynthia roretzi (Tsukamoto et al.