Rough mutants defective in core and O-polysaccharide synthesis and export induce antibodies reacting in an indirect ELISA with smooth lipopolysaccharide and are less effective than Rev 1 vaccine against Brucella melitensis infection of sheep

M.B. Barrio, I. Jacques, M.S. Zygmunt, M.J. Grilló, P.M. Muñoz, M.J. de Miguel, C.M. Marín, J.M. Blasco, D. González, I. Moriyón, M. Barberán, Jean-Jacques Letesson, J.-P. Gorvel