"Sigma Factor" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
A protein which is a subunit of RNA polymerase. It effects initiation of specific RNA chains from DNA.
| Descriptor ID |
D012808
|
| MeSH Number(s) |
D12.776.930.800
|
| Concept/Terms |
Sigma Factor- Sigma Factor
- Factor, Sigma
- Sigma Subunit
- Subunit, Sigma
- Sigma Initiation Factor
- Factor, Sigma Initiation
- Initiation Factor, Sigma
- Sigma Element
|
Below are MeSH descriptors whose meaning is more general than "Sigma Factor".
Below are MeSH descriptors whose meaning is more specific than "Sigma Factor".
This graph shows the total number of publications written about "Sigma Factor" by people in this website by year, and whether "Sigma Factor" was a major or minor topic of these publications.
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| Year | Major Topic | Minor Topic | Total |
|---|
| 2002 | 1 | 0 | 1 |
| 2009 | 1 | 0 | 1 |
| 2013 | 1 | 0 | 1 |
| 2014 | 0 | 1 | 1 |
| 2017 | 0 | 1 | 1 |
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Below are the most recent publications written about "Sigma Factor" by people in Profiles.
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The Staphylococcus aureus AirSR Two-Component System Mediates Reactive Oxygen Species Resistance via Transcriptional Regulation of Staphyloxanthin Production. Infect Immun. 2017 02; 85(2).
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Promoter activation by CII, a potent transcriptional activator from bacteriophage 186. J Biol Chem. 2014 Nov 14; 289(46):32094-32108.
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Evidence for sigma factor competition in the regulation of alginate production by Pseudomonas aeruginosa. PLoS One. 2013; 8(8):e72329.
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The H-NS-like protein StpA represses the RpoS (sigma 38) regulon during exponential growth of Salmonella Typhimurium. Mol Microbiol. 2009 Dec; 74(5):1169-86.
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The alternative sigma factor sigmaE controls antioxidant defences required for Salmonella virulence and stationary-phase survival. Mol Microbiol. 2002 Feb; 43(3):771-82.