DegU

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Gene name degU
Synonyms sacU, iep
Essential no
Product two-component response regulator
Function regulation of degradative enzymes, genetic competence, biofilm formation and capsule synthesis
Gene expression levels in SubtiExpress: degU
Interactions involving this protein in SubtInteract: DegU
Metabolic function and regulation of this protein in SubtiPathways:
DegU
MW, pI 25 kDa, 5.602
Gene length, protein length 687 bp, 229 aa
Immediate neighbours yviA, degS
Sequences Protein DNA DNA_with_flanks
Genetic context
DegU context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
DegU expression.png















Categories containing this gene/protein

biofilm formation, transcription factors and their control, phosphoproteins

This gene is a member of the following regulons

CcpA regulon, DegU regulon, TnrA regulon

The DegU regulon

The gene

Basic information

  • Locus tag: BSU35490

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Modification:
    • phosphorylated by DegS on Asp-56 PubMed, this modulates DNA-binding activity
    • phosphorylation by DegS occurs in response to inhibition of flagellar rotation PubMed

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information


Expression and regulation

  • Additional information:
    • DegU-P is degraded by ClpC-ClpP PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium): 1627 PubMed
    • number of protein molecules per cell (complex medium with amino acids, without glucose): 2454 PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium, exponential phase): 2251 PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium, early stationary phase after glucose exhaustion): 1461 PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium, late stationary phase after glucose exhaustion): 1432 PubMed

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Reviews

Robert Belas
When the swimming gets tough, the tough form a biofilm.
Mol Microbiol: 2013, 90(1);1-5
[PubMed:23927648] [WorldCat.org] [DOI] (I p)

Daniel López, Roberto Kolter
Extracellular signals that define distinct and coexisting cell fates in Bacillus subtilis.
FEMS Microbiol Rev: 2010, 34(2);134-49
[PubMed:20030732] [WorldCat.org] [DOI] (I p)

Ewan J Murray, Taryn B Kiley, Nicola R Stanley-Wall
A pivotal role for the response regulator DegU in controlling multicellular behaviour.
Microbiology (Reading): 2009, 155(Pt 1);1-8
[PubMed:19118340] [WorldCat.org] [DOI] (P p)


The DegU regulon

Original Publications

Jia Mun Chan, Sarah B Guttenplan, Daniel B Kearns
Defects in the flagellar motor increase synthesis of poly-γ-glutamate in Bacillus subtilis.
J Bacteriol: 2014, 196(4);740-53
[PubMed:24296669] [WorldCat.org] [DOI] (I p)

Victoria L Marlow, Francesca R Cianfanelli, Michael Porter, Lynne S Cairns, J Kim Dale, Nicola R Stanley-Wall
The prevalence and origin of exoprotease-producing cells in the Bacillus subtilis biofilm.
Microbiology (Reading): 2014, 160(Pt 1);56-66
[PubMed:24149708] [WorldCat.org] [DOI] (I p)

Victoria L Marlow, Michael Porter, Laura Hobley, Taryn B Kiley, Jason R Swedlow, Fordyce A Davidson, Nicola R Stanley-Wall
Phosphorylated DegU manipulates cell fate differentiation in the Bacillus subtilis biofilm.
J Bacteriol: 2014, 196(1);16-27
[PubMed:24123822] [WorldCat.org] [DOI] (I p)

Lynne S Cairns, Victoria L Marlow, Emma Bissett, Adam Ostrowski, Nicola R Stanley-Wall
A mechanical signal transmitted by the flagellum controls signalling in Bacillus subtilis.
Mol Microbiol: 2013, 90(1);6-21
[PubMed:23888912] [WorldCat.org] [DOI] (I p)

Hiroshi Ishii, Teruo Tanaka, Mitsuo Ogura
The Bacillus subtilis response regulator gene degU is positively regulated by CcpA and by catabolite-repressed synthesis of ClpC.
J Bacteriol: 2013, 195(2);193-201
[PubMed:23123903] [WorldCat.org] [DOI] (I p)

Fordyce A Davidson, Chung Seon-Yi, Nicola R Stanley-Wall
Selective heterogeneity in exoprotease production by Bacillus subtilis.
PLoS One: 2012, 7(6);e38574
[PubMed:22745669] [WorldCat.org] [DOI] (I p)

Mitsuo Ogura, Kensuke Tsukahara
SwrA regulates assembly of Bacillus subtilis DegU via its interaction with N-terminal domain of DegU.
J Biochem: 2012, 151(6);643-55
[PubMed:22496484] [WorldCat.org] [DOI] (I p)

Thi-Huyen Do, Yuki Suzuki, Naoki Abe, Jun Kaneko, Yoshifumi Itoh, Keitarou Kimura
Mutations suppressing the loss of DegQ function in Bacillus subtilis (natto) poly-γ-glutamate synthesis.
Appl Environ Microbiol: 2011, 77(23);8249-58
[PubMed:21965392] [WorldCat.org] [DOI] (I p)

Adam Ostrowski, Angela Mehert, Alan Prescott, Taryn B Kiley, Nicola R Stanley-Wall
YuaB functions synergistically with the exopolysaccharide and TasA amyloid fibers to allow biofilm formation by Bacillus subtilis.
J Bacteriol: 2011, 193(18);4821-31
[PubMed:21742882] [WorldCat.org] [DOI] (I p)

Taryn B Kiley, Nicola R Stanley-Wall
Post-translational control of Bacillus subtilis biofilm formation mediated by tyrosine phosphorylation.
Mol Microbiol: 2010, 78(4);947-63
[PubMed:20815827] [WorldCat.org] [DOI] (I p)

Mitsuo Ogura, Kensuke Tsukahara
Autoregulation of the Bacillus subtilis response regulator gene degU is coupled with the proteolysis of DegU-P by ClpCP.
Mol Microbiol: 2010, 75(5);1244-59
[PubMed:20070525] [WorldCat.org] [DOI] (I p)

Taku Ohsawa, Kensuke Tsukahara, Mitsuo Ogura
Bacillus subtilis response regulator DegU is a direct activator of pgsB transcription involved in gamma-poly-glutamic acid synthesis.
Biosci Biotechnol Biochem: 2009, 73(9);2096-102
[PubMed:19734658] [WorldCat.org] [DOI] (I p)

Keitarou Kimura, Lam-Son Phan Tran, Thi-Huyen Do, Yoshifumi Itoh
Expression of the pgsB encoding the poly-gamma-DL-glutamate synthetase of Bacillus subtilis (natto).
Biosci Biotechnol Biochem: 2009, 73(5);1149-55
[PubMed:19420703] [WorldCat.org] [DOI] (I p)

Monica Gupta, Kestur Krishnamurthy Rao
Epr plays a key role in DegU-mediated swarming motility of Bacillus subtilis.
FEMS Microbiol Lett: 2009, 295(2);187-94
[PubMed:19416356] [WorldCat.org] [DOI] (I p)

Cecilia Osera, Giuseppe Amati, Cinzia Calvio, Alessandro Galizzi
SwrAA activates poly-gamma-glutamate synthesis in addition to swarming in Bacillus subtilis.
Microbiology (Reading): 2009, 155(Pt 7);2282-2287
[PubMed:19389763] [WorldCat.org] [DOI] (P p)

Daniel T Verhamme, Ewan J Murray, Nicola R Stanley-Wall
DegU and Spo0A jointly control transcription of two loci required for complex colony development by Bacillus subtilis.
J Bacteriol: 2009, 191(1);100-8
[PubMed:18978066] [WorldCat.org] [DOI] (I p)

Ayako Yasumura, Sadanobu Abe, Teruo Tanaka
Involvement of nitrogen regulation in Bacillus subtilis degU expression.
J Bacteriol: 2008, 190(15);5162-71
[PubMed:18502860] [WorldCat.org] [DOI] (I p)

Jan-Willem Veening, Oleg A Igoshin, Robyn T Eijlander, Reindert Nijland, Leendert W Hamoen, Oscar P Kuipers
Transient heterogeneity in extracellular protease production by Bacillus subtilis.
Mol Syst Biol: 2008, 4;184
[PubMed:18414485] [WorldCat.org] [DOI] (I p)

Kensuke Tsukahara, Mitsuo Ogura
Promoter selectivity of the Bacillus subtilis response regulator DegU, a positive regulator of the fla/che operon and sacB.
BMC Microbiol: 2008, 8;8
[PubMed:18197985] [WorldCat.org] [DOI] (I e)

Kensuke Tsukahara, Mitsuo Ogura
Characterization of DegU-dependent expression of bpr in Bacillus subtilis.
FEMS Microbiol Lett: 2008, 280(1);8-13
[PubMed:18194340] [WorldCat.org] [DOI] (P p)

Kazuo Kobayashi
Gradual activation of the response regulator DegU controls serial expression of genes for flagellum formation and biofilm formation in Bacillus subtilis.
Mol Microbiol: 2007, 66(2);395-409
[PubMed:17850253] [WorldCat.org] [DOI] (P p)

Daniël T Verhamme, Taryn B Kiley, Nicola R Stanley-Wall
DegU co-ordinates multicellular behaviour exhibited by Bacillus subtilis.
Mol Microbiol: 2007, 65(2);554-68
[PubMed:17590234] [WorldCat.org] [DOI] (P p)

Kana Shimane, Mitsuo Ogura
Mutational analysis of the helix-turn-helix region of Bacillus subtilis response regulator DegU, and identification of cis-acting sequences for DegU in the aprE and comK promoters.
J Biochem: 2004, 136(3);387-97
[PubMed:15598897] [WorldCat.org] [DOI] (P p)

Leif Steil, Tamara Hoffmann, Ina Budde, Uwe Völker, Erhard Bremer
Genome-wide transcriptional profiling analysis of adaptation of Bacillus subtilis to high salinity.
J Bacteriol: 2003, 185(21);6358-70
[PubMed:14563871] [WorldCat.org] [DOI] (P p)

Mitsuo Ogura, Kana Shimane, Kei Asai, Naotake Ogasawara, Teruo Tanaka
Binding of response regulator DegU to the aprE promoter is inhibited by RapG, which is counteracted by extracellular PhrG in Bacillus subtilis.
Mol Microbiol: 2003, 49(6);1685-97
[PubMed:12950930] [WorldCat.org] [DOI] (P p)

L W Hamoen, A F Van Werkhoven, G Venema, D Dubnau
The pleiotropic response regulator DegU functions as a priming protein in competence development in Bacillus subtilis.
Proc Natl Acad Sci U S A: 2000, 97(16);9246-51
[PubMed:10908654] [WorldCat.org] [DOI] (P p)

C Fabret, V A Feher, J A Hoch
Two-component signal transduction in Bacillus subtilis: how one organism sees its world.
J Bacteriol: 1999, 181(7);1975-83
[PubMed:10094672] [WorldCat.org] [DOI] (P p)

M Ogura, T Tanaka
Bacillus subtilis DegU acts as a positive regulator for comK expression.
FEBS Lett: 1996, 397(2-3);173-6
[PubMed:8955341] [WorldCat.org] [DOI] (P p)

J Hahn, A Luttinger, D Dubnau
Regulatory inputs for the synthesis of ComK, the competence transcription factor of Bacillus subtilis.
Mol Microbiol: 1996, 21(4);763-75
[PubMed:8878039] [WorldCat.org] [DOI] (P p)

B J Haijema, L W Hamoen, J Kooistra, G Venema, D van Sinderen
Expression of the ATP-dependent deoxyribonuclease of Bacillus subtilis is under competence-mediated control.
Mol Microbiol: 1995, 15(2);203-11
[PubMed:7746142] [WorldCat.org] [DOI] (P p)

K Mukai, M Kawata-Mukai, T Tanaka
Stabilization of phosphorylated Bacillus subtilis DegU by DegR.
J Bacteriol: 1992, 174(24);7954-62
[PubMed:1459944] [WorldCat.org] [DOI] (P p)

M K Dahl, T Msadek, F Kunst, G Rapoport
The phosphorylation state of the DegU response regulator acts as a molecular switch allowing either degradative enzyme synthesis or expression of genetic competence in Bacillus subtilis.
J Biol Chem: 1992, 267(20);14509-14
[PubMed:1321152] [WorldCat.org] (P p)

M K Dahl, T Msadek, F Kunst, G Rapoport
Mutational analysis of the Bacillus subtilis DegU regulator and its phosphorylation by the DegS protein kinase.
J Bacteriol: 1991, 173(8);2539-47
[PubMed:1901568] [WorldCat.org] [DOI] (P p)

T Msadek, F Kunst, D Henner, A Klier, G Rapoport, R Dedonder
Signal transduction pathway controlling synthesis of a class of degradative enzymes in Bacillus subtilis: expression of the regulatory genes and analysis of mutations in degS and degU.
J Bacteriol: 1990, 172(2);824-34
[PubMed:1688843] [WorldCat.org] [DOI] (P p)

H Shimotsu, D J Henner
Modulation of Bacillus subtilis levansucrase gene expression by sucrose and regulation of the steady-state mRNA level by sacU and sacQ genes.
J Bacteriol: 1986, 168(1);380-8
[PubMed:2428811] [WorldCat.org] [DOI] (P p)

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