Lack of galactose or galacturonic acid in Bradyrhizobium japonicum USDA 110 exopolysaccharide leads to different symbiotic responses in soybean. - Quelas JI; Mongiardini EJ; Casabuono A; López-García SL; Althabegoiti MJ; Covelli JM; Pérez-Giménez J; Couto A; Lodeiro AR (Molecular plant-microbe interactions : MPMI, 2010)