CitM

• Description: Mg2+-citrate transporter
  
  

Gene name	citM
Synonyms	yflO
Essential	no
Product	Mg2+-citrate transporter
Function	citrate uptake
Gene expression levels in SubtiExpress: citM
Metabolic function and regulation of this protein in SubtiPathways: Central C-metabolism, Metal ion homeostasis
MW, pI	45 kDa, 6.227
Gene length, protein length	1299 bp, 433 aa
Immediate neighbours	yflP, yflN
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

transporters/ other, utilization of specific carbon sources, membrane proteins

This gene is a member of the following regulons

CcpA regulon, CitT regulon

The gene

Basic information

• Locus tag: BSU07610

Phenotypes of a mutant

no growth with citrate as sole carbon source PubMed

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: View classification (according to Swiss-Prot)

• Paralogous protein(s): CitH

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: P55069

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: citM-yflN PubMed

• Expression browser: citM PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • induced by citrate (CitT) PubMed
  • repressed by glucose (CcpA) PubMed

• Regulatory mechanism:
  • CitT: transcription activation PubMed
  • CcpA: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Bogumiła C Marciniak, Monika Pabijaniak, Anne de Jong, Robert Dűhring, Gerald Seidel, Wolfgang Hillen, Oscar P Kuipers
High- and low-affinity cre boxes for CcpA binding in Bacillus subtilis revealed by genome-wide analysis.
BMC Genomics: 2012, 13;401
[PubMed:22900538] [WorldCat.org] [DOI] (I e)

Guillermo D Repizo, Víctor S Blancato, Pablo D Sender, Juke Lolkema, Christian Magni
Catabolite repression of the citST two-component system in Bacillus subtilis.
FEMS Microbiol Lett: 2006, 260(2);224-31
[PubMed:16842348] [WorldCat.org] [DOI] (P p)

Jessica B Warner, Juke S Lolkema
A Crh-specific function in carbon catabolite repression in Bacillus subtilis.
FEMS Microbiol Lett: 2003, 220(2);277-80
[PubMed:12670692] [WorldCat.org] [DOI] (P p)

Jessica B Warner, Christian Magni, Juke S Lolkema
CcpA-independent regulation of expression of the Mg2+ -citrate transporter gene citM by arginine metabolism in Bacillus subtilis.
J Bacteriol: 2003, 185(3);854-9
[PubMed:12533460] [WorldCat.org] [DOI] (P p)

Jessica B Warner, Juke S Lolkema
Growth of Bacillus subtilis on citrate and isocitrate is supported by the Mg2+-citrate transporter CitM.
Microbiology (Reading): 2002, 148(Pt 11);3405-3412
[PubMed:12427932] [WorldCat.org] [DOI] (P p)

Bastiaan P Krom, Henry Huttinga, Jessica B Warner, Juke S Lolkema
Impact of the Mg(2+)-citrate transporter CitM on heavy metal toxicity in Bacillus subtilis.
Arch Microbiol: 2002, 178(5);370-5
[PubMed:12375105] [WorldCat.org] [DOI] (P p)

H Li, A M Pajor
Functional characterization of CitM, the Mg2+-citrate transporter.
J Membr Biol: 2002, 185(1);9-16
[PubMed:11891560] [WorldCat.org] [DOI] (P p)

B P Krom, J B Warner, W N Konings, J S Lolkema
Complementary metal ion specificity of the metal-citrate transporters CitM and CitH of Bacillus subtilis.
J Bacteriol: 2000, 182(22);6374-81
[PubMed:11053381] [WorldCat.org] [DOI] (P p)

J B Warner, B P Krom, C Magni, W N Konings, J S Lolkema
Catabolite repression and induction of the Mg(2+)-citrate transporter CitM of Bacillus subtilis.
J Bacteriol: 2000, 182(21);6099-105
[PubMed:11029430] [WorldCat.org] [DOI] (P p)

H Yamamoto, M Murata, J Sekiguchi
The CitST two-component system regulates the expression of the Mg-citrate transporter in Bacillus subtilis.
Mol Microbiol: 2000, 37(4);898-912
[PubMed:10972810] [WorldCat.org] [DOI] (P p)

A Boorsma, M E van der Rest, J S Lolkema, W N Konings
Secondary transporters for citrate and the Mg(2+)-citrate complex in Bacillus subtilis are homologous proteins.
J Bacteriol: 1996, 178(21);6216-22
[PubMed:8892821] [WorldCat.org] [DOI] (P p)

P Carlsson, L Hederstedt
Bacillus subtilis citM, the structural gene for dihydrolipoamide transsuccinylase: cloning and expression in Escherichia coli.
Gene: 1987, 61(2);217-24
[PubMed:3127276] [WorldCat.org] [DOI] (P p)