Gene SMb21071 of plasmid pSymB is required for osmoadaptation of Sinorhizobium meliloti 1021 and is implicated in modifications of cell surface polysaccharides structure in response to hyperosmotic stress - Reguera M; Lloret J; Margaret I; Vinardell J; Martín M; Buendía A; Rivilla R; Ruiz-Sainz J; Bonilla I; Bolaños L (Canadian Journal Of Microbiology, 2009)