ComQ

• Description: modification of ComX, regulator of late competence operon (comG) and surfactin expression (srfA)
  
  

Gene name	comQ
Synonyms
Essential	no
Product	unknown
Function	regulation of quorum sensing
MW, pI	34 kDa, 4.893
Gene length, protein length	897 bp, 299 aa
Immediate neighbours	comX, degQ
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU31710

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

genetic competence, quorum sensing, membrane proteins

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: cell membrane (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P33690

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: comQ-comX PubMed

• Sigma factor: SigA PubMed

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Daniel López, Hera Vlamakis, Richard Losick, Roberto Kolter
Paracrine signaling in a bacterium.
Genes Dev: 2009, 23(14);1631-8
[PubMed:19605685] [WorldCat.org] [DOI] (I p)

Polonca Stefanic, Ines Mandic-Mulec
Social interactions and distribution of Bacillus subtilis pherotypes at microscale.
J Bacteriol: 2009, 191(6);1756-64
[PubMed:19114482] [WorldCat.org] [DOI] (I p)

Mireille Ansaldi, Darja Marolt, Tina Stebe, Ines Mandic-Mulec, David Dubnau
Specific activation of the Bacillus quorum-sensing systems by isoprenylated pheromone variants.
Mol Microbiol: 2002, 44(6);1561-73
[PubMed:12067344] [WorldCat.org] [DOI] (P p)

P Tortosa, L Logsdon, B Kraigher, Y Itoh, I Mandic-Mulec, D Dubnau
Specificity and genetic polymorphism of the Bacillus competence quorum-sensing system.
J Bacteriol: 2001, 183(2);451-60
[PubMed:11133937] [WorldCat.org] [DOI] (P p)

Y Weinrauch, T Msadek, F Kunst, D Dubnau
Sequence and properties of comQ, a new competence regulatory gene of Bacillus subtilis.
J Bacteriol: 1991, 173(18);5685-93
[PubMed:1715859] [WorldCat.org] [DOI] (P p)