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MeSH Review

Bacteriophage P2

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Disease relevance of Bacteriophage P2


High impact information on Bacteriophage P2

  • The psu gene product of "phasmid" (phage-plasmid) P4 acts as a transcription antitermination factor in trans and in cis, respectively, within the morphogenic operons of its P2 phage helper during lytic viral development and on P4 itself during the establishment stage of its alternative mode of propagation as a plasmid [5].
  • These stimulated proteins include the major P2 capsid protein (N gene product) and a major component of the P2 phage tail (FII gene product) [6].
  • Complementation experiments and transcriptional analysis show that a nonreplicating P2 phage expresses the ogr gene from Pogr but is unable to transcribe the late genes [7].
  • This system is based upon the inhibition of translation of P2 phage repressor protein [8].


  1. The R-type pyocin of Pseudomonas aeruginosa is related to P2 phage, and the F-type is related to lambda phage. Nakayama, K., Takashima, K., Ishihara, H., Shinomiya, T., Kageyama, M., Kanaya, S., Ohnishi, M., Murata, T., Mori, H., Hayashi, T. Mol. Microbiol. (2000) [Pubmed]
  2. Interaction of P2 bacteriophage with the dnaB gene of Escherichia coli. Sunshine, M., Usher, D., Calendar, R. J. Virol. (1975) [Pubmed]
  3. Bacteriophage P2 and P4 morphogenesis: identification and characterization of the portal protein. Rishovd, S., Marvik, O.J., Jacobsen, E., Lindqvist, B.H. Virology (1994) [Pubmed]
  4. Escherichia coli K-12 and B contain functional bacteriophage P2 ogr genes. Slettan, A., Gebhardt, K., Kristiansen, E., Birkeland, N.K., Lindqvist, B.H. J. Bacteriol. (1992) [Pubmed]
  5. Rho-dependent transcription termination of a bacterial operon is antagonized by an extrachromosomal gene product. Lagos, R., Jiang, R.Z., Kim, S., Goldstein, R. Proc. Natl. Acad. Sci. U.S.A. (1986) [Pubmed]
  6. In vitro activation of bacteriophage P2 late gene expression by extracts from phage P4-infected cells. Gibbs, W., Eisen, H., Calendar, R. J. Virol. (1983) [Pubmed]
  7. Control of bacteriophage P2 gene expression: analysis of transcription of the ogr gene. Birkeland, N.K., Lindqvist, B.H., Christie, G.E. J. Bacteriol. (1991) [Pubmed]
  8. Prokaryotic test system for evaluation of oligonucleotide-affected antisense inhibition. Puskás, L.G., Bottka, S. Anal. Biochem. (1994) [Pubmed]
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