Abstract
The X. citri toxins (called XVIPs or X-Tfes) are highly diverse in size and architecture (fig. 9 of the main thematic project) but all have a conserved C-terminal domain, termed XVIPCD, which is necessary for their interaction with the VirD4 coupling protein (Alegria et al., 2005). Ten of the thirteen proteins shown in Figure 9 seem to be potentially bona-fide toxins, since, in addition t…