Structure-function analysis of the HrpB2-HrcU interaction in the Xanthomonas citri type III secretion system - Cappelletti, Paola Alejandra; Santos, Rafael Freitas dos; Amaral, Alexandre M. do; Homem, Rafael Augusto; Souza, Thaís dos Santos; Machado, Marcos Antonio; Farah, Chuck Shaker (PLOS ONE, 2011)