Bacteriophage P4


Alias: Enterobacteria phage P4, phage P4, defective Enterobacteria phage P4

Top Publications

  1. Van Bokkelen G, Dale E, Halling C, Calendar R. Mutational analysis of a bacteriophage P4 late promoter. J Bacteriol. 1991;173:37-45 pubmed
    Transcription from the late Psid promoter of satellite bacteriophage P4 is dependent on the bacterial RNA polymerase carrying the sigma 70 subunit and is positively regulated by the product of the P4 delta gene or the ogr gene of helper ..
  2. Halling C, Calendar R, Christie G, Dale E, Deh G, Finkel S, et al. DNA sequence of satellite bacteriophage P4. Nucleic Acids Res. 1990;18:1649 pubmed
  3. Cal S, Spoldi E, Piazzolla D, Dodd I, Forti F, Deh G, et al. Bacteriophage P4 Vis protein is needed for prophage excision. Virology. 2004;322:82-92 pubmed publisher
    Upon infection of its host Escherichia coli, satellite bacteriophage P4 can integrate its genome into the bacterial chromosome by Int-mediated site-specific recombination between the attP and the attB sites...
  4. Pani B, Ranjan A, Sen R. Interaction surface of bacteriophage P4 protein Psu required for complex formation with the transcription terminator Rho. J Mol Biol. 2009;389:647-60 pubmed publisher
    ..The bacteriophage P4 capsid-decoration protein, Psu, interacts specifically with and inhibits the function of Escherichia coli Rho...
  5. Bialek Davenet S, Lavigne J, Guyot K, Mayer N, Tournebize R, Brisse S, et al. Differential contribution of AcrAB and OqxAB efflux pumps to multidrug resistance and virulence in Klebsiella pneumoniae. J Antimicrob Chemother. 2015;70:81-8 pubmed publisher
    ..showed that KPBj1 Rev had lost the entire rarA-oqxABR locus, situated close to an integration hot spot of phage P4. This large deletion seemed responsible for the significantly lower virulence potential of strain KPBj1 Rev ..
  6. Banerjee R, Nath S, Ranjan A, Khamrui S, Pani B, Sen R, et al. The first structure of polarity suppression protein, Psu from enterobacteria phage P4, reveals a novel fold and a knotted dimer. J Biol Chem. 2012;287:44667-75 pubmed publisher
    Psu is a capsid decoration protein of bacteriophage P4 and acts as an antiterminator of Rho-dependent transcription termination in bacteria. So far, no structures have been reported for the Psu protein or its homologues...
  7. Piazzolla D, Cal S, Spoldi E, Forti F, Sala C, Magnoni F, et al. Expression of phage P4 integrase is regulated negatively by both Int and Vis. J Gen Virol. 2006;87:2423-31 pubmed publisher
    b>Phage P4 int gene encodes the integrase responsible for phage integration into and excision from the Escherichia coli chromosome...
  8. Hagg rd Ljungquist E, Jacobsen E, Rishovd S, Six E, Nilssen O, Sunshine M, et al. Bacteriophage P2: genes involved in baseplate assembly. Virology. 1995;213:109-21 pubmed
    ..A temperature-sensitive mutation in gene V affects satellite phage P4 production more than it affects the production of P2 helper phage...
  9. Ghosh G, Reddy J, Sambhare S, Sen R. A Bacteriophage Capsid Protein Is an Inhibitor of a Conserved Transcription Terminator of Various Bacterial Pathogens. J Bacteriol. 2018;200: pubmed publisher
    ..Psu is a bacteriophage P4 capsid protein that inhibits Escherichia coli Rho by obstructing its ATPase and translocase activities...