Literature DB >> 790156

Efficient suppression of the requirement for N function of bacteriophage lambda by a Rho-defective E.coli suA mutant.

M Belfort, A B Oppenheim.   

Abstract

The E. coli suA mutant (T82), which is a suppressor of polarity by virtue of its impaired transcription termination factor (rho) activity, is shown to be an efficient suppressor of lambdaN- mutants. The relief of the N requirement by this host is reflected in a substantial restoration of growth and N-dependent beta-galactosidase expression as well as in a partial relief of polarity of N-defective phages.

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Year:  1976        PMID： 790156     DOI： 10.1007/bf00268382

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


  20 in total

1.  Evidence that mutations in the suA polarity suppressing gene directly affect termination factor rho.

Authors:  D Ratner
Journal:  Nature       Date:  1976-01-15       Impact factor: 49.962

2.  Bacterial mutants able to partly suppress the effect of N mutations in bacteriophage lambda.

Authors:  F Brunel; J Davison
Journal:  Mol Gen Genet       Date:  1975

3.  Suppression of polarity of insertion mutations in the gal operon and N mutations in bacteriophage lambda.

Authors:  O Reyes; M Gottesman; S Adhya
Journal:  J Bacteriol       Date:  1976-06       Impact factor: 3.490

4.  The construction of lambda transducing phages containing deletions defining regulatory elements of the lac and trp operons in E. coli.

Authors:  W M Barnes; R B Siegel; W S Reznikoff
Journal:  Mol Gen Genet       Date:  1974-03-27

5.  Altered reading of genetic signals fused to the N operon of bacteriophage lambda: genetic evidence for modification of polymerase by the protein product of the N gene.

Authors:  N C Franklin
Journal:  J Mol Biol       Date:  1974-10-15       Impact factor: 5.469

6.  Effect of Rho on transcription of bacterial operons.

Authors:  B De Crombrugghe; S Adhya; M Gottesman; I Pastan
Journal:  Nat New Biol       Date:  1973-02-28

7.  Termination factor for RNA synthesis.

Authors:  J W Roberts
Journal:  Nature       Date:  1969-12-20       Impact factor: 49.962

8.  Mutations of coliphage lambda affecting the expression of replicative functions O and P.

Authors:  P Brachet; H Eisen; A Rambach
Journal:  Mol Gen Genet       Date:  1970

9.  An RNA-dependent nucleoside triphosphate phosphohydrolase (ATPase) associated with rho termination factor.

Authors:  C Lowery-Goldhammer; J P Richardson
Journal:  Proc Natl Acad Sci U S A       Date:  1974-05       Impact factor: 11.205

10.  Release of polarity in Escherichia coli by gene N of phage lambda: termination and antitermination of transcription.

Authors:  S Adhya; M Gottesman; B De Crombrugghe
Journal:  Proc Natl Acad Sci U S A       Date:  1974-06       Impact factor: 11.205
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  3 in total

1.  Transcription and membrane attachment of bacteriophage lambda DNA in the absence of N function in the E. coli suA 1 mutant.

Authors:  M F Bourguignon-Van Horen; N Henry-Van der Loo
Journal:  Mol Gen Genet       Date:  1979-11

2.  Bacteria with defective rho factors suppress the effects of N mutations in bacteriophage lambda.

Authors:  J P Richardson; P Fink; K Blanchard; M Macy
Journal:  Mol Gen Genet       Date:  1977-05-20

3.  Transcription termination factor rho and T-even phage development.

Authors:  Y N Zograff; A L Gintsburg
Journal:  Mol Gen Genet       Date:  1980
  3 in total

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