Giuntini, Elisa; Mengoni, Alessio; De Filippo, Carlotta; Cavalieri, Duccio; Aubin-Horth, Nadia; Landry, Christian R.; Becker, Anke; Bazzicalupo, Marco: Large-scale genetic variation of the symbiosis-required megaplasmid pSymA revealed by comparative genomic analysis of Sinorhizobium meliloti natural s [...]. In: BMC Genomics. Jg.6 H. 1. 2005