Rattray NJW, Zalloum WA, Mansell D, Latimer J, Schwalbe CH, Blake AJ, Bichenkova EV, Freeman S. Fluorescent probe for detection of bacteria: conformational trigger upon bacterial reduction of an azo bridge.
Chem Commun (Camb) 2012;
48:6393. [PMID:
22618019 DOI:
10.1039/c2cc32521g]
[Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Using biomimetic chemical reduction or Clostridium perfringens cell extract containing azoreductase, the dimer-fluorescent probe 2,4-O-bisdansyl-6,7-diazabicyclooct-6-ene, which possesses a conformationally constrained cis-azo bridge, is reduced to the tetra-equatorial 2,4-O-bisdansyl-cyclohexyl-3,5-bisammonium salt which exhibits fluorescence indicative of a dansyl monomer.
Collapse