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  • Description: two-component response regulator, regulation of cold shock expression of des

Gene name desR
Synonyms yocG
Essential no
Product two-component response regulator
Function regulation of cold shock expression of des
Gene expression levels in SubtiExpress: desR
Interactions involving this protein in SubtInteract: DesR
Metabolic function and regulation of this protein in SubtiPathways:
MW, pI 22 kDa, 4.885
Gene length, protein length 597 bp, 199 aa
Immediate neighbours desK, yocH
Sequences Protein DNA DNA_with_flanks
Genetic context
YocG context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
DesR expression.png

Categories containing this gene/protein

lipid metabolism/ other, transcription factors and their control, cold stress proteins, membrane proteins, phosphoproteins

This gene is a member of the following regulons

The DesR regulon:

The gene

Basic information

  • Locus tag: BSU19200

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: transcription activation of the des operon when phosphorylated by DesK
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification: phosphorylated by DesK on an Asp residue
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

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

Additional information

Expression and regulation

  • Sigma factor:
  • Regulation:
    • induced by cold shock (18-fold) PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks


Felipe Trajtenberg, Daniela Albanesi, Natalia Ruétalo, Horacio Botti, Ariel E Mechaly, Marcos Nieves, Pablo S Aguilar, Larisa Cybulski, Nicole Larrieux, Diego de Mendoza, Alejandro Buschiazzo
Allosteric activation of bacterial response regulators: the role of the cognate histidine kinase beyond phosphorylation.
mBio: 2014, 5(6);e02105
[PubMed:25406381] [] [DOI] (I e)

Sebastián R Najle, María E Inda, Diego de Mendoza, Larisa E Cybulski
Oligomerization of Bacillus subtilis DesR is required for fine tuning regulation of membrane fluidity.
Biochim Biophys Acta: 2009, 1790(10);1238-43
[PubMed:19595746] [] [DOI] (P p)

Pablo S Aguilar, Diego de Mendoza
Control of fatty acid desaturation: a mechanism conserved from bacteria to humans.
Mol Microbiol: 2006, 62(6);1507-14
[PubMed:17087771] [] [DOI] (P p)

Carsten L Beckering, Leif Steil, Michael H W Weber, Uwe Völker, Mohamed A Marahiel
Genomewide transcriptional analysis of the cold shock response in Bacillus subtilis.
J Bacteriol: 2002, 184(22);6395-402
[PubMed:12399512] [] [DOI] (P p)

Larisa E Cybulski, Daniela Albanesi, María C Mansilla, Silvia Altabe, Pablo S Aguilar, Diego de Mendoza
Mechanism of membrane fluidity optimization: isothermal control of the Bacillus subtilis acyl-lipid desaturase.
Mol Microbiol: 2002, 45(5);1379-88
[PubMed:12207704] [] [DOI] (P p)

P S Aguilar, A M Hernandez-Arriaga, L E Cybulski, A C Erazo, D de Mendoza
Molecular basis of thermosensing: a two-component signal transduction thermometer in Bacillus subtilis.
EMBO J: 2001, 20(7);1681-91
[PubMed:11285232] [] [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] [] [DOI] (P p)