TABLE 2.

Effects of autoinducer and aldehyde additions on the bioluminescence of V. fischeri wild-type strain ES114 and the class III HS strain DM61

StrainSpecific luminescence (LU/OD)aFold increase of luminescence by the addition of:
AIbAldcAI + Ald
ES1141610,70043010,700
DM61d<0.012101301,500
  • a One light unit (LU) = 1.3 × 104 quanta s−1.

  • b Cells were grown with shaking in the presence of AI (3-oxo-C6-HSL).

  • c Decyl aldehyde (Ald) was added to an aliquot of culture prior to reading the luminescence.

  • d Similar results were obtained for DM70 (another class III strain).