| 单词 |
prophage |
| 释义 |
prophage Biol.|ˈprəʊfeɪdʒ|
[Contraction of F. probactériophage (Lwoff & Gutmann 1950, in Ann. de l'Inst. Pasteur LXXVIII. 734): see pro-2 and phage.]
The form which a temperate phage has in a lysogenic bacterium: it is incorporated into and replicates with the bacterial genome, and is only potentially lytic.
1951[see induce v. 4 e]. 1955Sci. Amer. Apr. 93/1 Some prophages control the production of substances by their hosts (e.g., diphtheria toxin) or have other important effects on them. 1969A. M. Campbell Episomes vi. 81 Prophage insertion is a special kind of recombination process. 1973R. G. Krueger et al. Introd. Microbiol. xviii. 507/1 The evidence suggested that the virus resided in a novel state as a prophage and that the presence of the prophage or phage genome in the cell rendered the cell immune to vegetative replication of other similar temperate phage particles by the same mechanism that limited its own vegetative replication. |
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