TABLE 2.

Colonization levels of quorum-sensing mutants at 12 h postinoculation

Strain% of wild-type colonization levela
Wild type100 (17)
ainS45 (14)
luxI115 (19)
ainS luxI79 (15)
luxS95 (30)
ainS luxS48 (7)
luxO37 (12)
ainS luxO36 (12)
litR51 (12)
luxR119 (17)
  • a Colonization levels are the means from two experiments. In each experiment 12 animals were inoculated with one of the strains. The values are normalized to the levels reached in a wild-type colonization (averaging about 20,000 CFU/light organ), with standard errors indicated in parentheses.