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sigma factor activity

A sigma factor is the promoter specificity subunit of eubacterial-type multisubunit RNA polymerases, those whose core subunit composition is often… 
National Institutes of Health

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bacterial-type RNA polymerase core enzyme bindingbacterial-type RNA polymerase core promoter sequence-specific DNA binding

Papers overview

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2014
2014
Interactions between an anti-sigma protein and two sigma factors that regulate the pyoverdine signaling pathway in Pseudomonas aeruginosa
BackgroundSynthesis and uptake of pyoverdine, the primary siderophore of the opportunistic pathogen Pseudomonas aeruginosa, is… 
2011
2011
Differential proteolysis of sigma regulators controls cell‐surface signalling in Pseudomonas aeruginosa
Cell‐surface signalling systems are widespread in Gram‐negative bacteria. In these systems gene expression occurs following… 
2009
2009
Region C of the Escherichia coli heat shock sigma factor RpoH (sigma 32) contains a turnover element for proteolysis by the FtsH protease.
Transcription of most heat shock genes in Escherichia coli is initiated by the alternative sigma factor sigma(32) (RpoH). At… 
Highly Cited
2009
Highly Cited
2009
Different roles for anti‐sigma factors in siderophore signalling pathways of Pseudomonas aeruginosa
Group IV (extracytoplasmic function) sigma factors direct the expression of a large number of regulons in bacteria. The… 
2008
2008
A Possible Extended Family of Regulators of Sigma Factor Activity in Streptomyces coelicolor
ABSTRACT SCO4677 is one of a large number of similar genes in Streptomyces coelicolor that encode proteins with an HATPase_c… 
Highly Cited
2003
Highly Cited
2003
The Role of zinc in the disulphide stress-regulated anti-sigma factor RsrA from Streptomyces coelicolor.
Highly Cited
2001
Highly Cited
2001
Mutational analysis of RsrA, a zinc‐binding anti‐sigma factor with a thiol–disulphide redox switch
In the Gram‐positive bacterium, Streptomyces coelicolor A3(2), expression of the thioredoxin system is modulated by a sigma… 
Review
2000
Review
2000
Regulation of sigma factor activity during Bacillus subtilis development.
  • L. Kroos, Y. Yu
  • Current opinion in microbiology
  • 2000
  • Corpus ID: 33305263
Progression of Bacillus subtilis through a series of morphological changes is driven by a cascade of sigma (sigma) factors and… 
Review
1999
Review
1999
Control of σ factor activity during Bacillus subtilis sporulation
When starved, Bacillus subtilis undergoes asymmetric division to produce two cell types with different fates. The larger mother… 
1991
1991
The Staphylococcus aureus chromosomal gene plaC, identified by mutations amplifying plasmid pT181, encodes a sigma factor.
The Staphylococcus aureus chromosomal gene plaC, identified by mutations such as plaC1 that lead to the amplification of plasmid… 
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