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Unformatted text preview: It encodes for a sex pilus, allowing conjugation. F- F + Creation of an F strain Hfr Strains We can map out how long the gene transfer takes in minutes High resolution Mapping using Hfr strain Movie: bacteriophage T4 o Temperate phage and lysogeny o Phage conversion o In some cases phage make cells pathogenic o Specialized transduction (in phage lambda) Picks up genes that are flanking the pro-phage o Generalized transduction: sometimes the phage makes a mistake and packages the E. coli DNA instead of the phage DNA DNA transposition and transposons o Mobile genetic elements o Bacterial transposable elements o Transposon formation o Strategy for transposon mutagenesis o Mobile elements...
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- Fall '09