Genomic and genetic analysis of Bordetella bacteriophages encoding reverse transcriptase-mediated tropism-switching cassettes. by Liu, M, Gingery, M, Doulatov, SR, Liu, Y, Hodes, A, Baker, S, Davis, P, Simmonds, M, Churcher, C, Mungall, K, Quail, M, Preston, A, Harvill, E, Maskell, D, Eiserling, F, Parkhill, J, Miller, J