Difference between revisions of "AbrB"

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(Biological materials)
(Biological materials)
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* '''Mutant:''' TT731 (aphA3)
 
* '''Mutant:''' TT731 (aphA3)
** 1A935 ( ''abrB''::''cat''), {{PubMed|11886552}}, available at [http://pasture.asc.ohio-state.edu/BGSC/getdetail.cfm?bgscid=1A935&Search=1A935 BGSC]
+
** 1A935 (''abrB''::''cat''), {{PubMed|11886552}}, available at [http://pasture.asc.ohio-state.edu/BGSC/getdetail.cfm?bgscid=1A935&Search=1A935 BGSC]
** GP1548 ( ''abrB''::''ermC'')
+
** GP1548 (''abrB''::''ermC''), available in [[Stülke]] lab
  
 
* '''Expression vector:'''
 
* '''Expression vector:'''

Revision as of 13:29, 1 November 2013

  • Description: transcriptional regulator of transition state genes

Gene name abrB
Synonyms cpsX, tolB
Essential no
Product transcriptional regulator
Function regulation of gene expression during the transition
from growth to stationary phase
Gene expression levels in SubtiExpress: abrB
Interactions involving this protein in SubtInteract: AbrB
Metabolic function and regulation of this protein in SubtiPathways:
Biofilm, His, Asp, Asn, Phosphorelay, Ammonium/ glutamate,
Central C-metabolism, Sugar catabolism, Alternative nitrogen sources, Protein secretion
MW, pI 10 kDa, 6.57
Gene length, protein length 282 bp, 94 aa
Immediate neighbours yabC, metS
Sequences Protein DNA DNA_with_flanks
Genetic context
AbrB context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
AbrB expression.png















Categories containing this gene/protein

transition state regulators

This gene is a member of the following regulons

AbrB regulon, Spo0A regulon

The AbrB regulon

The gene

Basic information

  • Locus tag: BSU00370

Phenotypes of a mutant

No swarming motility on B medium. PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s): Abh, SpoVT (only N-terminal domain)

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification: phosphorylated on Ser-86 PubMed
  • Cofactor(s):
  • Effectors of protein activity: interaction with AbbA results in inactivation of AbrB PubMed

Database entries

  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation: expressed at the onset of stationary phase PubMed
    • repressed under conditions that trigger sporulation (Spo0A) PubMed
    • repressed during logrithmic growth (AbrB) PubMed
  • Additional information:

Biological materials

  • Mutant: TT731 (aphA3)
    • 1A935 (abrB::cat), PubMed, available at BGSC
    • GP1548 (abrB::ermC), available in Stülke lab
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab
  • Antibody:

Labs working on this gene/protein

Richard Losick, Harvard Univ., Cambridge, USA homepage

Mark Strauch, Baltimore, USA homepage

Your additional remarks

References

Reviews

Daniel Schultz, Peter G Wolynes, Eshel Ben Jacob, José N Onuchic
Deciding fate in adverse times: sporulation and competence in Bacillus subtilis.
Proc Natl Acad Sci U S A: 2009, 106(50);21027-34
[PubMed:19995980] [WorldCat.org] [DOI] (I p)

Kassem Hamze, Daria Julkowska, Sabine Autret, Krzysztof Hinc, Krzysztofa Nagorska, Agnieszka Sekowska, I Barry Holland, Simone J Séror
Identification of genes required for different stages of dendritic swarming in Bacillus subtilis, with a novel role for phrC.
Microbiology (Reading): 2009, 155(Pt 2);398-412
[PubMed:19202088] [WorldCat.org] [DOI] (P p)

Krzysztofa Nagórska, Krzysztof Hinc, Mark A Strauch, Michał Obuchowski
Influence of the sigmaB stress factor and yxaB, the gene for a putative exopolysaccharide synthase under sigmaB Control, on biofilm formation.
J Bacteriol: 2008, 190(10);3546-56
[PubMed:18326573] [WorldCat.org] [DOI] (I p)

Z E V Phillips, M A Strauch
Bacillus subtilis sporulation and stationary phase gene expression.
Cell Mol Life Sci: 2002, 59(3);392-402
[PubMed:11964117] [WorldCat.org] [DOI] (P p)

Wolfgang Klein, Mohamed A Marahiel
Structure-function relationship and regulation of two Bacillus subtilis DNA-binding proteins, HBsu and AbrB.
J Mol Microbiol Biotechnol: 2002, 4(3);323-9
[PubMed:11931565] [WorldCat.org] (P p)

The AbrB regulon:

Other original publications