Literature DB >> 6219269

Effect of bacteriophage phi X174 infection on the conformation of Escherichia coli DNA.

S K Pal, R K Poddar.   

Abstract

The cistron A proteins of bacteriophage phi X174 inhibit the synthesis of beta-galactosidase of host Escherichia coli. A drastic reduction in the rate of transcription of the lac gene is observed in infected cells. This loss in the efficiency of transcription is due to conformational changes in the host DNA. Probably the host DNA is nicked at a few sites along its length and some of its negative superhelical twists are released.

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Year:  1982        PMID： 6219269     DOI： 10.1007/bf00384400

Source DB:  PubMed          Journal:  Mol Gen Genet        ISSN： 0026-8925


  30 in total

1.  Identification of a phiX174 coded protein involved in the shut-off of host DNA replication.

Authors:  D F Martin; G N Godson
Journal:  Biochem Biophys Res Commun       Date:  1975-07-08       Impact factor: 3.575

2.  Isolation and characterization of the protein coded by gene A of bacteriophage phiX174 DNA.

Authors:  J E Ikeda; A Yudelevich; J Hurwitz
Journal:  Proc Natl Acad Sci U S A       Date:  1976-08       Impact factor: 11.205

3.  Carbodiimide modification of superhelical PM2 DNA: considerations regarding reaction at unpaired bases and the unwinding of superhelical DNA with chemical probes.

Authors:  J Lebowitz; A K Chaudhuri; A Gonenne; G Kitos
Journal:  Nucleic Acids Res       Date:  1977-06       Impact factor: 16.971

4.  Mechanism of transcription of bacteriophage S13. I. Dependence of messengerRNA synthesis on amount and configuration of DNA.

Authors:  A Puga; I Tessman
Journal:  J Mol Biol       Date:  1973-03-25       Impact factor: 5.469

5.  General inhibition of Escherichia coli macromolecular synthesis by high multiplicites of bacteriophage phiX174.

Authors:  A B Stone
Journal:  J Mol Biol       Date:  1970-01-28       Impact factor: 5.469

6.  Improved method for the isolation of the A and A* proteins of bacteriophage phi X174.

Authors:  S A Langeveld; G A van Arkel; P J Weisbeek
Journal:  FEBS Lett       Date:  1980-06-02       Impact factor: 4.124

7.  Identification of lysis protein E of bacteriophage phiX174.

Authors:  T J Pollock; E S Tessman; I Tessman
Journal:  J Virol       Date:  1978-10       Impact factor: 5.103

8.  Bacteriophage phiX174 RF DNA replication in vivo: a biochemical study.

Authors:  P D Baas; W R Teertstra; H S Jansz
Journal:  J Mol Biol       Date:  1978-10-25       Impact factor: 5.469

9.  Rapidly labeled HeLa cell nuclear RNA. I. Identification by zone sedimentation of a heterogeneous fraction separate from ribosomal precursor RNA.

Authors:  J R Warner; R Soeiro; H C Birnboim; M Girard; J E Darnell
Journal:  J Mol Biol       Date:  1966-08       Impact factor: 5.469

10.  Reduced synthesis of beta-galactosidase in Escherichia coli infected with phage phi X 174.

Authors:  A Ghosh; R K Poddar
Journal:  Can J Microbiol       Date:  1977-08       Impact factor: 2.419
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  1 in total

1.  Modulation of gene expression in Escherichia coli infected with single-stranded bacteriophage phi X174.

Authors:  A Ghosh; S K Pal; R K Poddar
Journal:  Mol Gen Genet       Date:  1985
  1 in total

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