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Organism
Record information and status
Record ID
103068
Status
Published
Date of creation
2012-02-06 21:06 UTC (manoela.miranda@cbd.int)
Date of last update
2012-09-04 19:56 UTC (dina.abdelhakim@cbd.int)
Date of publication
2012-09-04 19:56 UTC (dina.abdelhakim@cbd.int)

Organism information
Scientific name
Bacteriophage P1
Taxonomic Classification
KingdomViruses
PhylumVira
ClassdsDNA viruses, no RNA stage
OrderCaudovirales
FamilyMyoviridae
GenusP1-like viruses
SpeciesBacteriophage P1
Scientific name synonyms(s)
Enterobacteria phage P1
Common name(s)
Phage P1
Additional Classification
Type of organism
  • Viruses
Characteristics related to biosafety
Habitat range
Bacteriophages, like bacteria, are very common in all natural environments and are directly related to the numbers of bacteria present. They are thus very common in soil and have shaped the evolution of bacteria.
Common use(s)
  • Research
Additional Information
Additional Information
P1 is a temperate bacteriophage (phage) that infects Escherichia coli and a some other bacteria. When undergoing a lysogenic cycle the phage genome exists as a plasmid in the bacterium unlike other phages that integrate into the host DNA. P1 has an icosahedral "head" containing the DNA attached to a contractile tail with six tail fibers.

The P1 phage has gained research interest because it can be used to create the P1-derived artificial chromosome cloning vector which can carry relatively large fragments of DNA. Also, P1 encodes a site-specific recombinase, Cre, that is widely used to carry out cell-specific or time-specific DNA recombination by flanking the target DNA with loxP sites.(see Cre-Lox recombination)
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Records referencing this document (1)
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