"bacterial plasmid"@en . . . . . . "Sinorhizobium fredii NGR234 plasmid pngr234b"@en . "NC_012586.1" . "Sinorhizobium fredii NGR234 plasmid pngr234b"@en . "Sinorhizobium fredii NGR234 plasmid pngr234b"@en . .