- Identification of a quorum-sensing signal molecule in the facultative intracellular pathogen Brucella melitensis. Taminiau, B., Daykin, M., Swift, S., Boschiroli, M.L., Tibor, A., Lestrate, P., De Bolle, X., O'Callaghan, D., Williams, P., Letesson, J.J. Infect. Immun. (2002)