Core RNA polymerase and promoter DNA interactions of purified domains of sigma N: bipartite functions.

No abstract is available for this paper.

• Publication year

  1995

• Venue

  Journal of Molecular Biology

• Publication date

  Unknown publication date

• Fields of study

  Biology, Medicine, Chemistry

• Identifiers
  PMID 7752240
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

• Identification of close contacts between the sigma N (sigma 54) protein and promoter DNA in closed promoter complexes.

  1995cited by this paper
• The domain structure of sigma 54 as determined by analysis of a set of deletion mutants.

  1994cited by this paper
• Identification of a DNA‐contacting surface in the transcription factor sigma‐54

  1994cited by this paper
• DNA distortion and nucleation of local DNA unwinding within sigma-54 (sigma N) holoenzyme closed promoter complexes.

  1994cited by this paper
• Glutamine repeats as polar zippers: their possible role in inherited neurodegenerative diseases.

  1994cited by this paper
• A promoter melting region in the primary sigma factor of Bacillus subtilis. Identification of functionally important aromatic amino acids.

  1994cited by this paper
• Purification and in vitro activities of the native nitrogen fixation control proteins NifA and NifL

  1994cited by this paper
• Genetic and physiological studies of Bacillus subtilis sigma A mutants defective in promoter melting

  1994cited by this paper
• Analysis of the N-terminal leucine heptad and hexad repeats of sigma 54.

  1994cited by this paper
• Structure and expression of the alternative sigma factor, RpoN, in Rhodobacter capsulatus; physiological relevance of an autoactivated nifU2‐rpoN superoperon

  1994cited by this paper
• A simple procedure for visualising protein-nucleic acid complexes by photochemical crosslinking.

  1994cited by this paper
• Functional roles for the glutamines within the glutamine-rich region of the transcription factor sigma 54.

  1994cited by this paper
• RNA polymerase binding using a strongly acidic hydrophobic-repeat region of sigma 54.

  1994cited by this paper
• Core RNA polymerase assists binding of the transcription factor sigma 54 to promoter DNA.

  1993cited by this paper
• The C terminus of the alpha subunit of RNA polymerase is not essential for transcriptional activation of sigma 54 holoenzyme

  1993cited by this paper
• Amino-terminal amino acids modulate sigma-factor DNA-binding activity.

  1993cited by this paper
• In a class of its own--the RNA polymerase sigma factor sigma 54 (sigma N).

  1993cited by this paper
• Specific binding of the transcription factor sigma-54 to promoter DNA

  1992cited by this paper
• Activator‐independent formation of a closed complex between σ54‐holoenzyme and nifH and nifU promoters of Klebsiella pneumoniae

  1992cited by this paper
• Mutant sigma factor blocks transition between promoter binding and initiation of transcription.

  1992cited by this paper
• Polypeptides containing highly conserved regions of transcription initiation factor sigma 70 exhibit specificity of binding to promoter DNA.

  1992cited by this paper
• The prokaryotic enhancer binding protein NTRC has an ATPase activity which is phosphorylation and DNA dependent.

  1992cited by this paper
• The helix-turn-helix motif of sigma 54 is involved in recognition of the -13 promoter region

  1992cited by this paper
• The sigma 70 family: sequence conservation and evolutionary relationships

  1992cited by this paper
• A role for the acidic trimer repeat region of transcription factor sigma 54 in setting the rate and temperature dependence of promoter melting in vivo.

  1992cited by this paper
• The phosphorylated form of the enhancer-binding protein NTRC has an ATPase activity that is essential for activation of transcription.

  1991cited by this paper
• Cassette mutagenesis implicates a helix‐turn‐helix motif in promoter recognition by the novel RNA polymerase Sigma factor σ54

  1991cited by this paper
• Purification of the alternative sigma factor, sigma 54, from Salmonella typhimurium and characterization of sigma 54-holoenzyme.

  1991cited by this paper
• Bradyrhizobium japonicum has two differentially regulated, functional homologs of the sigma 54 gene (rpoN)

  1991cited by this paper
• Role of eukaryotic-type functional domains found in the prokaryotic enhancer receptor factor sigma 54.

  1990cited by this paper
• The DNA binding domain of the rat liver nuclear protein C/EBP is bipartite.

  1989cited by this paper
• Expression of sigma 54 (ntrA)-dependent genes is probably united by a common mechanism.

  1989cited by this paper
• KMnO4 as a probe for lac promoter DNA melting and mechanism in vivo.

  1989cited by this paper
• The nucleotide sequence of the sigma factor gene ntrA (rpoN) of Azotobacter vinelandii: Analysis of conserved sequences in NtrA proteins

  1987cited by this paper
• Requirements for transcriptional activation in vitro of the nitrogen‐regulated gInA and nifLA promoters from Klebsiella pneumoniae: dependence on activator concentration

  1987cited by this paper
• Transcription of glnA by purified Escherichia coli components: core RNA polymerase and the products of glnF, glnG, and glnL.

  1985cited by this paper
• The nucleotide sequence of the nitrogen-regulation gene ntrA of Klebsiella pneumoniae and comparison with conserved features in bacterial RNA polymerase sigma factors.

  1985cited by this paper
• Products of nitrogen regulatory genes ntrA and ntrC of enteric bacteria activate glnA transcription in vitro: evidence that the ntrA product is a sigma factor.

  1985cited by this paper

• Characterization of novel binding sites and regulatory activities for the transcription sigma factor, rpoN, in Salmonella

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• Transcriptional landscape and essential genes of Neisseria gonorrhoeae

  2014cites this paper
• Sigma factor RpoN (σ54) regulates pilE transcription in commensal Neisseria elongata

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• Choline catabolism, σ⁵⁴ factor and NtrC are required for the full expression of the Pseudomonas aeruginosa phosphorylcholine phosphatase gene.

  2011cites this paper
• Characterization of the rpoN global regulatory gene of Pseudomonas syringae pv. syringae B728a and its impact on the plant-pathogen interaction

  2010cites this paper
• Structural Basis of DNA Recognition by the Alternative Sigma- Factor, σ54

  2009cites this paper
• Structure of the RNA polymerase core-binding domain of sigma(54) reveals a likely conformational fracture point.

  2009cites this paper
• Construction and functional analyses of a comprehensive σ54 site-directed mutant library using alanine–cysteine mutagenesis

  2009cites this paper
• Structural basis of DNA recognition by the alternative sigma-factor, sigma54.

  2007cites this paper
• Transcriptional Specificity of RpoN1 and RpoN2 Involves Differential Recognition of the Promoter Sequences and Specific Interaction with the Cognate Activator Proteins*

  2006cites this paper
• The flagellar hierarchy of Rhodobacter sphaeroides is controlled by the concerted action of two enhancer‐binding proteins

  2005influential citation
• The second paradigm for activation of transcription.

  2005cites this paper
• Characterisation of the S. Typhimurium σE regulon

  2005cites this paper
• The C-terminal RpoN Domain of σ54 Forms an Unpredicted Helix-Turn-Helix Motif Similar to Domains of σ70*

  2005cites this paper
• Communication between Eσ54, promoter DNA and the conserved threonine residue in the GAFTGA motif of the PspF σ54‐dependent activator during transcription activation

  2004cites this paper
• The ATP hydrolyzing transcription activator phage shock protein F of Escherichia coli: Identifying a surface that binds σ54

  2003cites this paper
• Nucleotide-dependent Triggering of RNA Polymerase-DNA Interactions by an AAA Regulator of Transcription*

  2003cites this paper
• Interactions of regulated and deregulated forms of the sigma54 holoenzyme with heteroduplex promoter DNA.

  2002cites this paper
• The interaction between σS, the stationary phase σ factor, and the core enzyme of Escherichia coli RNA polymerase

  2002cites this paper
• Mechanism of action of the Escherichia coli phage shock protein PspA in repression of the AAA family transcription factor PspF.

  2002cites this paper
• A Gal4-ς54 Hybrid Protein That Functions as a Potent Activator of RNA Polymerase II Transcription in Yeast*

  2001cites this paper
• In vitro roles of invariant helix-turn-helix motif residue R383 in sigma(54) (sigma(N)).

  2001cites this paper
• Binding of transcriptional activators to sigma 54 in the presence of the transition state analog ADP-aluminum fluoride: insights into activator mechanochemical action.

  2001cites this paper
• Roles for the C-terminal Region of Sigma 54 in Transcriptional Silencing and DNA Binding*

  2001cites this paper
• Regulatory sequences in sigma 54 localise near the start of DNA melting.

  2001cites this paper
• DNA melting within a binary sigma(54)-promoter DNA complex.

  2001cites this paper
• Cloning and characterization of the gene encoding RNA polymerase sigma factor sigma(54) of deep-sea piezophilic Shewanella violacea.

  2000cites this paper
• Transcription Initiation-Defective Forms of ς54 That Differ in Ability To Function with a Heteroduplex DNA Template

  2000cites this paper
• Isomerization of a binary sigma–promoter DNA complex by transcription activators

  2000cites this paper
• The Amino Terminus of Salmonella enterica Serovar Typhimurium ς54 Is Required for Interactions with an Enhancer-Binding Protein and Binding to Fork Junction DNA

  2000cites this paper
• Two roles for integration host factor at an enhancer‐dependent nifA promoter

  2000cites this paper
• Single amino acid substitution mutants of Klebsiella pneumoniae sigma(54) defective in transcription.

  2000cites this paper
• Sequences within the DNA cross-linking patch of sigma 54 involved in promoter recognition, sigma isomerization, and open complex formation.

  2000cites this paper
• Interaction of sigma factor sigmaN with Escherichia coli RNA polymerase core enzyme.

  2000cites this paper
• Sequences in sigma(54) region I required for binding to early melted DNA and their involvement in sigma-DNA isomerisation.

  2000cites this paper
• Low Resolution Structure of the ς54 Transcription Factor Revealed by X-ray Solution Scattering*

  2000cites this paper
• The role of Region II in the RNA polymerase factor N (54)

  2000cites this paper
• The Bacterial Enhancer-Dependent ς54(ςN) Transcription Factor

  2000cites this paper
• Conservation of sigma–core RNA polymerase proximity relationships between the enhancer‐independent and enhancer‐dependent sigma classes

  2000cites this paper
• Sequences in sigmaN determining holoenzyme formation and properties.

  1999cites this paper
• The hydrophobic heptad repeat in Region III of Escherichia coli transcription factor sigma 54 is essential for core RNA polymerase binding.

  1999cites this paper
• Suppression analysis of positive control mutants of NifA reveals two overlapping promoters for Klebsiella pneumoniae rpoN.

  1999cites this paper
• Systematic analysis of sigma54 N-terminal sequences identifies regions involved in positive and negative regulation of transcription.

  1999cites this paper
• Functions of the sigma(54) region I in trans and implications for transcription activation.

  1999cites this paper
• A fork junction DNA–protein switch that controls promoter melting by the bacterial enhancer‐dependent sigma factor

  1999cites this paper
• Amino-terminal sequences of sigmaN (sigma54) inhibit RNA polymerase isomerization.

  1999cites this paper
• Involvement of the σN DNA‐binding domain in open complex formation

  1999cites this paper
• Characterisation of holoenzyme lacking sigmaN regions I and II.

  1999cites this paper
• Mutant Forms of Salmonella typhimuriumς54 Defective in Transcription Initiation but Not Promoter Binding Activity

  1999cites this paper
• Region I modifies DNA-binding domain conformation of sigma 54 within the holoenzyme.

  1999cites this paper
• The C-terminal 12 amino acids of sigma(N) are required for structure and function.

  1999cites this paper
• The sigma 54 DNA‐binding domain includes a determinant of enhancer responsiveness

  1999cites this paper
• Cloning and characterization of Planctomyces limnophilus rpoN: complementation of a Salmonella typhimurium rpoN mutant strain.

  1998cites this paper
• CRP interacts with promoter‐bound σ54 RNA polymerase and blocks transcriptional activation of the dctA promoter

  1998cites this paper
• Analysis of the architecture of the transcription factor σN (σ54) and its domains by circular dichroism

  1997cites this paper
• Two domains within sigmaN (sigma54) cooperate for DNA binding.

  1997cites this paper
• Nucleoprotein complex formation by the enhancer binding protein nifA.

  1997cites this paper
• Genetic analysis of the Rhizobium meliloti nifH promoter, using the P22 challenge phage system

  1997cites this paper
• DNA-binding determinants of sigma 54 as deduced from libraries of mutations

  1997cites this paper
• DNA-binding domain mutants of sigma-N (sigmaN, sigma54) defective between closed and stable open promoter complex formation.

  1997cites this paper
• Probing the assembly of transcription initiation complexes through changes in sigmaN protease sensitivity.

  1997cites this paper
• The RpoN‐box motif of the RNA polymerase sigma factor σN plays a role in promoter recognition

  1996cites this paper
• The Azospirillum brasilense rpoN gene is involved in nitrogen fixation, nitrate assimilation, ammonium uptake, and flagellar biosynthesis.

  1996cites this paper
• Domain organization of the Escherichia coli RNA polymerase sigma 70 subunit.

  1996cites this paper