phage

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phage:

see bacteriophagebacteriophage
, virus that infects bacteria and sometimes destroys them by lysis, or dissolution of the cell. Bacteriophages, or phages, have a head composed of protein, an inner core of nucleic acid—either deoxyribonucleic acid (DNA) or ribonucleic acid (RNA)—and a
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.

phage

[fāj]
(virology)

phage

A program that modifies other programs or databases in unauthorised ways; especially one that propagates a virus or Trojan horse. See also worm, mockingbird. The analogy, of course, is with phage viruses in biology.
References in periodicals archive ?
I didn t know it at the time, but I was working with a bacterial strain that had a CRISPR system, so I was unconsciously selecting phages that were likely to have anti-CRISPRs, he recalls.
Sorek's team used this strategy to identify and analyze phages present in the gut microbiota of a cohort of European individuals.
It was like lightning struck," he says of learning that phages were not used in the United States, despite all the country's advanced medical technologies.
Several filamentous phages other than CTX[PHI] are found to be integrated at the dif loci of V.
For example, the relatively narrow host range of most phages which caused many of the early attempts at phage therapy to fail can be overcome by isolating phages that have a broad host range within the species being targeted.
The scientists also have tested the phages on their prime target: refrigerated fresh-cut lettuce.
Immune cells in the brain cleared the phages along with the plaque fragments, says Solomon.
GangaGen has demonstrated in production animal trials that we can isolate and use phages efficaciously, with full regard for safety, and that the phages are benign to animals, humans and the environment.
They infect target bacteria, make multiple copies of themselves, and then break out of the bacterial cell by perforating the cell wall, using an enzyme lysine produced by the phages themselves.
To the Editor: In the summer of 2004, genitourinary medicine clinics in London reported cases of Shigella sonnei with a novel phage type pattern (later designated PTQ).
This is not surprising because lambda phage cloning procedures describe stable storage of those phages in SM buffer for several years (11).
Phages are viruses that infect bacteria but are not used in the UK, where hospital-acquired infections claim up to 5,000 lives a year and cost the NHS pounds 1billion.