... to the first, ‘three-tiered ring’ model, the scarcity of information with respect to the mode of assembly of the three proteins suggests that it is stillearly to discard the possibility of the ... function appears tobe the only one that is common to all bacteria. In Yer-sinia, the increased synthesis of LcrV triggered by the activation of the system leads to the titration of LcrG,which binds ... through the interior of the needle and, once having reached the outmost extremity of the conduit, all three componentsare assumed to associate to form the translocationpore. The precise order of...