Fur

• Description: transcription regulator of iron homoeostasis
  
  

Gene name	fur
Synonyms	yqkL
Essential	no
Product	transcriptional repressor
Function	regulation of iron homoeostasis and transcription of ferri-siderophore uptake genes
Metabolic function and regulation of this protein in SubtiPathways: metal ion homeostasis
Metabolic function and regulation of this protein in SubtiPathways: Alternative nitrogen sources, Protein secretion
MW, pI	17 kDa, 5.374
Gene length, protein length	447 bp, 149 aa
Immediate neighbours	ripX, spoIIM
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

acquisition of iron, iron metabolism, transcription factors and their control

This gene is a member of the following regulons

PerR regulon

The gene

Basic information

• Locus tag: BSU23520

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: Fur family (according to Swiss-Prot)

• Paralogous protein(s): PerR, Zur

Genes controlled by Fur

fsrA

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s): contains an iron-sulfur cluster

• Effectors of protein activity:

• Interactions:

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P54574

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: fur PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed in the absence of hydrogen peroxide (PerR) PubMed

• Regulatory mechanism:
  • PerR: transcription repression PubMed

• Additional information:

Biological materials

• Mutant: HB6543 (aphA3), available in the John Helmann lab; also available in the Stülke lab GP879 (fur::mls) and GP868 (fur::mls, perR::spc)

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

John Helmann, Cornell University, USA Homepage

References

The Fur regulon

Noel Baichoo, John D Helmann
Recognition of DNA by Fur: a reinterpretation of the Fur box consensus sequence.
J Bacteriol: 2002, 184(21);5826-32
[PubMed:12374814] [WorldCat.org] [DOI] (P p)

Noel Baichoo, Tao Wang, Rick Ye, John D Helmann
Global analysis of the Bacillus subtilis Fur regulon and the iron starvation stimulon.
Mol Microbiol: 2002, 45(6);1613-29
[PubMed:12354229] [WorldCat.org] [DOI] (P p)

Other original publications

David P Giedroc
Hydrogen peroxide sensing in Bacillus subtilis: it is all about the (metallo)regulator.
Mol Microbiol: 2009, 73(1);1-4
[PubMed:19508286] [WorldCat.org] [DOI] (I p)

Ahmed Gaballa, Haike Antelmann, Claudio Aguilar, Sukhjit K Khakh, Kyung-Bok Song, Gregory T Smaldone, John D Helmann
The Bacillus subtilis iron-sparing response is mediated by a Fur-regulated small RNA and three small, basic proteins.
Proc Natl Acad Sci U S A: 2008, 105(33);11927-32
[PubMed:18697947] [WorldCat.org] [DOI] (I p)

Falko Hochgräfe, Carmen Wolf, Stephan Fuchs, Manuel Liebeke, Michael Lalk, Susanne Engelmann, Michael Hecker
Nitric oxide stress induces different responses but mediates comparable protein thiol protection in Bacillus subtilis and Staphylococcus aureus.
J Bacteriol: 2008, 190(14);4997-5008
[PubMed:18487332] [WorldCat.org] [DOI] (I p)

Ahmed Gaballa, John D Helmann
Substrate induction of siderophore transport in Bacillus subtilis mediated by a novel one-component regulator.
Mol Microbiol: 2007, 66(1);164-73
[PubMed:17725565] [WorldCat.org] [DOI] (P p)

Marcus Miethke, Helga Westers, Evert-Jan Blom, Oscar P Kuipers, Mohamed A Marahiel
Iron starvation triggers the stringent response and induces amino acid biosynthesis for bacillibactin production in Bacillus subtilis.
J Bacteriol: 2006, 188(24);8655-7
[PubMed:17012385] [WorldCat.org] [DOI] (P p)

Juliane Ollinger, Kyung-Bok Song, Haike Antelmann, Michael Hecker, John D Helmann
Role of the Fur regulon in iron transport in Bacillus subtilis.
J Bacteriol: 2006, 188(10);3664-73
[PubMed:16672620] [WorldCat.org] [DOI] (P p)

Mayuree Fuangthong, John D Helmann
Recognition of DNA by three ferric uptake regulator (Fur) homologs in Bacillus subtilis.
J Bacteriol: 2003, 185(21);6348-57
[PubMed:14563870] [WorldCat.org] [DOI] (P p)

Emmanuel Guedon, Charles M Moore, Qiang Que, Tao Wang, Rick W Ye, John D Helmann
The global transcriptional response of Bacillus subtilis to manganese involves the MntR, Fur, TnrA and sigmaB regulons.
Mol Microbiol: 2003, 49(6);1477-91
[PubMed:12950915] [WorldCat.org] [DOI] (P p)

Min Cao, Tao Wang, Rick Ye, John D Helmann
Antibiotics that inhibit cell wall biosynthesis induce expression of the Bacillus subtilis sigma(W) and sigma(M) regulons.
Mol Microbiol: 2002, 45(5);1267-76
[PubMed:12207695] [WorldCat.org] [DOI] (P p)

Mayuree Fuangthong, Andrew F Herbig, Nada Bsat, John D Helmann
Regulation of the Bacillus subtilis fur and perR genes by PerR: not all members of the PerR regulon are peroxide inducible.
J Bacteriol: 2002, 184(12);3276-86
[PubMed:12029044] [WorldCat.org] [DOI] (P p)

Tamara Hoffmann, Alexandra Schütz, Margot Brosius, Andrea Völker, Uwe Völker, Erhard Bremer
High-salinity-induced iron limitation in Bacillus subtilis.
J Bacteriol: 2002, 184(3);718-27
[PubMed:11790741] [WorldCat.org] [DOI] (P p)

N Bsat, J D Helmann
Interaction of Bacillus subtilis Fur (ferric uptake repressor) with the dhb operator in vitro and in vivo.
J Bacteriol: 1999, 181(14);4299-307
[PubMed:10400588] [WorldCat.org] [DOI] (P p)

N Bsat, A Herbig, L Casillas-Martinez, P Setlow, J D Helmann
Bacillus subtilis contains multiple Fur homologues: identification of the iron uptake (Fur) and peroxide regulon (PerR) repressors.
Mol Microbiol: 1998, 29(1);189-98
[PubMed:9701813] [WorldCat.org] [DOI] (P p)

PubMed