PhrA

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Gene name phrA
Synonyms gsiAB
Essential no
Product phosphatase (RapA) inhibitor
Function control of sporulation initiation
Gene expression levels in SubtiExpress: phrA
Interactions involving this protein in SubtInteract: PhrA
Function and regulation of this protein in SubtiPathways:
Phosphorelay
MW, pI 4 kDa, 10.229
Gene length, protein length 132 bp, 44 aa
Immediate neighbours rapA, yjpA
Sequences Protein DNA DNA_with_flanks
Genetic context
PhrA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PhrA expression.png




























Categories containing this gene/protein

phosphorelay, quorum sensing, short peptides

This gene is a member of the following regulons

CodY regulon, ComA regulon, Spo0A regulon

The gene

Basic information

  • Locus tag: BSU12440

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: phr family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

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

Additional information

Expression and regulation

  • Regulation:
    • repressed by glucose (4.2-fold) (CcpA) PubMed
    • repressed by casamino acids PubMed
    • repressed under conditions that trigger sporulation (Spo0A) PubMed
    • repressed during growth in the presence of branched chain amino acids (CodY) PubMed
    • expressed at high cell density (ComA) PubMed
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Additional publications: PubMed

Sara Jabbari, John T Heap, John R King
Mathematical modelling of the sporulation-initiation network in Bacillus subtilis revealing the dual role of the putative quorum-sensing signal molecule PhrA.
Bull Math Biol: 2011, 73(1);181-211
[PubMed:20238180] [WorldCat.org] [DOI] (I p)

Ilka B Bischofs, Joshua A Hug, Aiwen W Liu, Denise M Wolf, Adam P Arkin
Complexity in bacterial cell-cell communication: quorum signal integration and subpopulation signaling in the Bacillus subtilis phosphorelay.
Proc Natl Acad Sci U S A: 2009, 106(16);6459-64
[PubMed:19380751] [WorldCat.org] [DOI] (I p)

Natalia Comella, Alan D Grossman
Conservation of genes and processes controlled by the quorum response in bacteria: characterization of genes controlled by the quorum-sensing transcription factor ComA in Bacillus subtilis.
Mol Microbiol: 2005, 57(4);1159-74
[PubMed:16091051] [WorldCat.org] [DOI] (P p)

Virginie Molle, Masaya Fujita, Shane T Jensen, Patrick Eichenberger, José E González-Pastor, Jun S Liu, Richard Losick
The Spo0A regulon of Bacillus subtilis.
Mol Microbiol: 2003, 50(5);1683-701
[PubMed:14651647] [WorldCat.org] [DOI] (P p)

Virginie Molle, Yoshiko Nakaura, Robert P Shivers, Hirotake Yamaguchi, Richard Losick, Yasutaro Fujita, Abraham L Sonenshein
Additional targets of the Bacillus subtilis global regulator CodY identified by chromatin immunoprecipitation and genome-wide transcript analysis.
J Bacteriol: 2003, 185(6);1911-22
[PubMed:12618455] [WorldCat.org] [DOI] (P p)

Ulrike Mäder, Georg Homuth, Christian Scharf, Knut Büttner, Rüdiger Bode, Michael Hecker
Transcriptome and proteome analysis of Bacillus subtilis gene expression modulated by amino acid availability.
J Bacteriol: 2002, 184(15);4288-95
[PubMed:12107147] [WorldCat.org] [DOI] (P p)

Shu Ishikawa, Leighton Core, Marta Perego
Biochemical characterization of aspartyl phosphate phosphatase interaction with a phosphorylated response regulator and its inhibition by a pentapeptide.
J Biol Chem: 2002, 277(23);20483-9
[PubMed:11923303] [WorldCat.org] [DOI] (P p)

M Perego, P Glaser, J A Hoch
Aspartyl-phosphate phosphatases deactivate the response regulator components of the sporulation signal transduction system in Bacillus subtilis.
Mol Microbiol: 1996, 19(6);1151-7
[PubMed:8730857] [WorldCat.org] [DOI] (P p)

M Perego, J A Hoch
Cell-cell communication regulates the effects of protein aspartate phosphatases on the phosphorelay controlling development in Bacillus subtilis.
Proc Natl Acad Sci U S A: 1996, 93(4);1549-53
[PubMed:8643670] [WorldCat.org] [DOI] (P p)

J P Mueller, G Bukusoglu, A L Sonenshein
Transcriptional regulation of Bacillus subtilis glucose starvation-inducible genes: control of gsiA by the ComP-ComA signal transduction system.
J Bacteriol: 1992, 174(13);4361-73
[PubMed:1378051] [WorldCat.org] [DOI] (P p)