Sequence-based analysis of pQBR103; a representative of a unique, transfer-proficient mega plasmid resident in the microbial community of sugar beet. по Tett, A, Spiers, A, Crossman, L, Ager, D, Ciric, L, Dow, J, Fry, J, Harris, D, Lilley, A, Oliver, A, Parkhill, J, Quail, M, Rainey, P, Saunders, N, Seeger, K, Snyder, L, Squares, R, Thomas, C, Turner, S, Zhang, X, Field, D, Bailey, M