phage - significado y definición. Qué es phage
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Qué (quién) es phage - definición

VIRUS THAT INFECTS AND REPLICATES WITHIN BACTERIA
Phage; Bacteriophages; Bacteria phage; Bacteriophagous; Bacteriophage typing; Phages; Bacterial virus; RNA phage; Headful hypothesis; Bacterophage; Bacteriaphage
  • Anatomy and infection cycle of [[phage T4]].
  • Bacteriophage P22, a member of the ''[[Podoviridae]]'' by morphology due to its short, non-contractile tail
  • Bacteriophage T2, a member of the ''[[Myoviridae]]'' due to its contractile tail
  • [[Félix d'Herelle]]
  • [[George Eliava]]
  • In this [[electron micrograph]] of bacteriophages attached to a bacterial cell, the viruses are the size and shape of coliphage T1
  • The structure of a typical [[myovirus]] bacteriophage
  • Diagram of the DNA injection process
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  •  isbn = 9780123944382 }}</ref>

phage         
[fe?d?, f?:?]
¦ noun short for bacteriophage.
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. [Jargon File]
Bacteriophage         
A bacteriophage (), also known informally as a phage (), is a duplodnaviria virus that infects and replicates within bacteria and archaea. The term was derived from "bacteria" and the Greek φαγεῖν (), meaning "to devour".

Wikipedia

Bacteriophage

A bacteriophage (), also known informally as a phage (), is a duplodnaviria virus that infects and replicates within bacteria and archaea. The term was derived from "bacteria" and the Greek φαγεῖν (phagein), meaning "to devour". Bacteriophages are composed of proteins that encapsulate a DNA or RNA genome, and may have structures that are either simple or elaborate. Their genomes may encode as few as four genes (e.g. MS2) and as many as hundreds of genes. Phages replicate within the bacterium following the injection of their genome into its cytoplasm.

Bacteriophages are among the most common and diverse entities in the biosphere. Bacteriophages are ubiquitous viruses, found wherever bacteria exist. It is estimated there are more than 1031 bacteriophages on the planet, more than every other organism on Earth, including bacteria, combined. Viruses are the most abundant biological entity in the water column of the world's oceans, and the second largest component of biomass after prokaryotes, where up to 9x108 virions per millilitre have been found in microbial mats at the surface, and up to 70% of marine bacteria may be infected by phages.

Phages have been used since the late 20th century as an alternative to antibiotics in the former Soviet Union and Central Europe, as well as in France. They are seen as a possible therapy against multi-drug-resistant strains of many bacteria (see phage therapy).

Phages are known to interact with the immune system both indirectly via bacterial expression of phage-encoded proteins and directly by influencing innate immunity and bacterial clearance. Phage–host interactions are becoming increasingly important areas of research.

Ejemplos de uso de phage
1. Craig Venter, the US entrepreneur famous for sequencing the human genome, announced in 2003 that his team had constructed the virus phage PhiX174 in two weeks.
2. In time, phage creams could also be used to tackle the hospital superbug Clostridium difficile, E coli and other hard–to–treat bacteria.
3. The push to unlock the mysteries of human genetics in the years after World War II was led by the "phage group," a small collection of scientists that included Stent, James Watson and Francis Crick.