 Sigma Factor
"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
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| MeSH Number(s) |
D12.776.930.800
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| Concept/Terms |
Sigma Factor- Sigma Factor
- Factor, Sigma
- Sigma Subunit
- Subunit, Sigma
- Sigma Initiation Factor
- Factor, Sigma Initiation
- Initiation Factor, Sigma
- Sigma Element
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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.
To see the data from this visualization as text, click here.
| Year | Major Topic | Minor Topic | Total |
|---|
| 1993 | 1 | 0 | 1 | | 1994 | 3 | 0 | 3 | | 1995 | 3 | 0 | 3 | | 1996 | 1 | 1 | 2 | | 1997 | 2 | 0 | 2 | | 1998 | 0 | 1 | 1 | | 2000 | 1 | 0 | 1 | | 2001 | 2 | 0 | 2 | | 2002 | 2 | 2 | 4 | | 2006 | 0 | 1 | 1 | | 2007 | 1 | 1 | 2 | | 2008 | 1 | 0 | 1 | | 2009 | 4 | 0 | 4 | | 2010 | 1 | 0 | 1 | | 2011 | 0 | 1 | 1 | | 2013 | 1 | 0 | 1 | | 2019 | 1 | 0 | 1 | | 2021 | 1 | 1 | 2 |
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Below are the most recent publications written about "Sigma Factor" by people in Profiles.
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Harwood TV, Risser DD. The primary transcriptome of hormogonia from a filamentous cyanobacterium defined by cappable-seq. Microbiology (Reading). 2021 11; 167(11).
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Grosse-Siestrup BT, Gupta T, Helms S, Tucker SL, Voskuil MI, Quinn FD, Karls RK. A Role for Mycobacterium tuberculosis Sigma Factor C in Copper Nutritional Immunity. Int J Mol Sci. 2021 Feb 20; 22(4).
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Gonzalez A, Riley KW, Harwood TV, Zuniga EG, Risser DD. A Tripartite, Hierarchical Sigma Factor Cascade Promotes Hormogonium Development in the Filamentous Cyanobacterium Nostoc punctiforme. mSphere. 2019 05 01; 4(3).
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Lybecker M, Bilusic I, Raghavan R. Pervasive transcription: detecting functional RNAs in bacteria. Transcription. 2014; 5(4):e944039.
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Yin Y, Damron FH, Withers TR, Pritchett CL, Wang X, Schurr MJ, Yu HD. Expression of mucoid induction factor MucE is dependent upon the alternate sigma factor AlgU in Pseudomonas aeruginosa. BMC Microbiol. 2013 Oct 18; 13:232.
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McKee RW, Mangalea MR, Purcell EB, Borchardt EK, Tamayo R. The second messenger cyclic Di-GMP regulates Clostridium difficile toxin production by controlling expression of sigD. J Bacteriol. 2013 Nov; 195(22):5174-85.
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Kiedrowski MR, Kavanaugh JS, Malone CL, Mootz JM, Voyich JM, Smeltzer MS, Bayles KW, Horswill AR. Nuclease modulates biofilm formation in community-associated methicillin-resistant Staphylococcus aureus. PLoS One. 2011; 6(11):e26714.
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Jones AK, Fulcher NB, Balzer GJ, Urbanowski ML, Pritchett CL, Schurr MJ, Yahr TL, Wolfgang MC. Activation of the Pseudomonas aeruginosa AlgU regulon through mucA mutation inhibits cyclic AMP/Vfr signaling. J Bacteriol. 2010 Nov; 192(21):5709-17.
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Singh A, Karimpour-Fard A, Gill RT. Increased mutation frequency in redox-impaired Escherichia coli due to RelA- and RpoS-mediated repression of DNA repair. Appl Environ Microbiol. 2010 Aug; 76(16):5463-70.
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Fontán PA, Voskuil MI, Gomez M, Tan D, Pardini M, Manganelli R, Fattorini L, Schoolnik GK, Smith I. The Mycobacterium tuberculosis sigma factor sigmaB is required for full response to cell envelope stress and hypoxia in vitro, but it is dispensable for in vivo growth. J Bacteriol. 2009 Sep; 191(18):5628-33.
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