| defective phage | A temperate bacteriophage mutant whose genome does not contain all of the normal components and cannot become fully infectious virus, yet can replicate indefinitely in the bacterial genome as defective probacteriophage; many defective bacteriophage's are mediators of transduction. Synonym: defective phage. (05 Mar 2000) |
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| q beta phage | <molecular biology> A single-stranded RNA phage that specifically infects enterobacteria containing the f plasmid. It is widely used to study RNA phage and bacterial cell function. (10 Oct 1997) |
| tailed phage | A member of a group of hundreds of DNA-based bacteria-infecting viruses which are characterised by a helix-shaped tail and a cube-shaped head.This group includes the viral families Myoviridae, Podoviridae, andSiphoviridae. (09 Oct 1997) |
| temperate phage | A bacteriophage that integrates its DNA into that of the host (lysogeny) as opposed to virulent phages that lyse the host. (18 Nov 1997) |
| T even phage | <microbiology> A group of dsDNA bacteriophages of enterobacteria including T2, T4, T6 as opposed to T odd phage (T1, 3, 5 and 7) (18 Nov 1997) |
| lytic phage | A bacteriophage (virus which infects bacteria) that can only follow the lytic pathway to completing its lytic cycle, and does not have the mechanisms to enter the lysogenic pathway. (09 Oct 1997) |