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.

MeSH information

Definition | Details | More General Concepts | Related Concepts | More Specific Concepts

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 RNA Polymerase Sigma Factor H RNA Polymerase Sigma Factor H Minor Sigma Factor Minor Sigma Factor Sigma Factor, Minor

Below are MeSH descriptors whose meaning is more general than "Sigma Factor".

Chemicals and Drugs [D]
Amino Acids, Peptides, and Proteins [D12]
Proteins [D12.776]
Transcription Factors [D12.776.930]
Sigma Factor [D12.776.930.800]

Below are MeSH descriptors whose meaning is related to "Sigma Factor".

Below are MeSH descriptors whose meaning is more specific than "Sigma Factor".

publications

Timeline | Most Recent

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.

Bar chart showing 6 publications over 5 distinct years, with a maximum of 2 publications in 2007

To see the data from this visualization as text, click here.

Year	Major Topic	Minor Topic	Total
2004	0	1	1
2005	0	1	1
2007	2	0	2
2013	0	1	1
2023	0	1	1

Below are the most recent publications written about "Sigma Factor" by people in Profiles.

Nelson SJ, Williams JT, Buglino JA, Nambi S, Lojek LJ, Glickman MS, Ioerger TR, Sassetti CM. The Rip1 intramembrane protease contributes to iron and zinc homeostasis in Mycobacterium tuberculosis. mSphere. 2023 08 24; 8(4):e0038922.

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Jonas K, Liu J, Chien P, Laub MT. Proteotoxic stress induces a cell-cycle arrest by stimulating Lon to degrade the replication initiator DnaA. Cell. 2013 Aug 01; 154(3):623-36.

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Greenstein AE, MacGurn JA, Baer CE, Falick AM, Cox JS, Alber T. M. tuberculosis Ser/Thr protein kinase D phosphorylates an anti-anti-sigma factor homolog. PLoS Pathog. 2007 Apr; 3(4):e49.

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Chaba R, Grigorova IL, Flynn JM, Baker TA, Gross CA. Design principles of the proteolytic cascade governing the sigmaE-mediated envelope stress response in Escherichia coli: keys to graded, buffered, and rapid signal transduction. Genes Dev. 2007 Jan 01; 21(1):124-36.

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Price-Carter M, Fazzio TG, Vallbona EI, Roth JR. Polyphosphate kinase protects Salmonella enterica from weak organic acid stress. J Bacteriol. 2005 May; 187(9):3088-99.

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Flynn JM, Levchenko I, Sauer RT, Baker TA. Modulating substrate choice: the SspB adaptor delivers a regulator of the extracytoplasmic-stress response to the AAA+ protease ClpXP for degradation. Genes Dev. 2004 Sep 15; 18(18):2292-301.

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Chaney M, Grande R, Wigneshweraraj SR, Cannon W, Casaz P, Gallegos MT, Schumacher J, Jones S, Elderkin S, Dago AE, Morett E, Buck M. Binding of transcriptional activators to sigma 54 in the presence of the transition state analog ADP-aluminum fluoride: insights into activator mechanochemical action. Genes Dev. 2001 Sep 01; 15(17):2282-94.

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Casaz P, Gallegos MT, Buck M. Systematic analysis of sigma54 N-terminal sequences identifies regions involved in positive and negative regulation of transcription. J Mol Biol. 1999 Sep 17; 292(2):229-39.

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Cannon W, Gallegos MT, Casaz P, Buck M. Amino-terminal sequences of sigmaN (sigma54) inhibit RNA polymerase isomerization. Genes Dev. 1999 Feb 01; 13(3):357-70.

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Casaz P, Buck M. Region I modifies DNA-binding domain conformation of sigma 54 within the holoenzyme. J Mol Biol. 1999 Jan 15; 285(2):507-14.

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