Natural transformation in the Ralstonia solanacearum species complex: number and size of DNA that can be transferred. - Coupat, Bénédicte; Chaumeille-Dole, Fanny; Fall, Saliou; Prior, Philippe; Simonet, Pascal; Nesme, Xavier; Bertolla, Franck (FEMS Microbiology Ecology, 2008)