Difference between revisions of "DegU"

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(Phenotypes of a mutant)
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===Phenotypes of a mutant ===
 
===Phenotypes of a mutant ===
* defect in [[biofilm formation]] {{PubMed|20815827}}, this can be suppressed by DegU-independent expression of [[YuaB]] {{PubMed|21742882}}
+
* defect in [[biofilm formation]] {{PubMed|20815827}}, this can be suppressed by [[DegU]]-independent expression of [[BslA]] {{PubMed|21742882}}
 
* the mutation suppresses the mucoid phenotype of ''[[motA]]'' or ''[[motB]]'' mutants due to reduced expression of the ''[[capB]]-[[capC]]-[[capA]]-[[capE]]'' operon {{PubMed|24296669}}
 
* the mutation suppresses the mucoid phenotype of ''[[motA]]'' or ''[[motB]]'' mutants due to reduced expression of the ''[[capB]]-[[capC]]-[[capA]]-[[capE]]'' operon {{PubMed|24296669}}
  
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=== Additional information===
 
=== Additional information===
 
* [[DegU]]-P is degraded by [[ClpC]]-[[ClpP]] {{PubMed|20070525}}
 
* [[DegU]]-P is degraded by [[ClpC]]-[[ClpP]] {{PubMed|20070525}}
 +
* accumulation of [[DegU]]-P results in decreased transcription of the ''[[epsA]]-[[epsO]]'' and ''[[tapA]]-[[sipW]]-[[tasA]]'' operons due to increased levels of [[Spo0A]]-P {{PubMed|24123822}}   
 +
  
 
=Expression and regulation=
 
=Expression and regulation=

Revision as of 18:50, 15 February 2014

  • Description: two-component response regulator, regulation of degradative enzyme and genetic competence, involved in activation of capsule biosynthetic operon expression (together with SwrAA), non-phosphorylated DegU is required for swarming motility PubMed

Gene name degU
Synonyms sacU, iep
Essential no
Product two-component response regulator
Function regulation of degradative enzyme and genetic competence
Gene expression levels in SubtiExpress: degU
Interactions involving this protein in SubtInteract: DegU
Metabolic function and regulation of this protein in SubtiPathways:
Protein secretion
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: transcription activator of degradative enzyme genes (sacB and degQ) and of comK expression
  • 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

Database entries

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

Additional information


Expression and regulation

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

U Mäder, H Antelmann, T Buder, M K Dahl, M Hecker, G Homuth
Bacillus subtilis functional genomics: genome-wide analysis of the DegS-DegU regulon by transcriptomics and proteomics.
Mol Genet Genomics: 2002, 268(4);455-67
[PubMed:12471443] [WorldCat.org] [DOI] (P p)

Original Publications