Abstract
Host-pathogen interactions are often driven by mechanisms that promote genetic variability. We have identified a group of temperate bacteriophages that generate diversity in a gene, designated mtd (major tropism determinant), which specifies tropism for receptor molecules on host Bordetella species. Tropism switching is the result of a template-dependent, reverse transcriptase-mediated process that introduces nucleotide substitutions at defined locations within mtd. This cassette-based mechanism is capable of providing a vast repertoire of potential ligand-receptor interactions.
Original language | English |
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Pages (from-to) | 2091-2094 |
Number of pages | 4 |
Journal | Science |
Volume | 295 |
Issue number | 5562 |
DOIs | |
Publication status | Published - 2002 |