Mbl

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  • Description: cell-shape determining protein

Gene name mbl
Synonyms
Essential no
Product MreB-like protein
Function cell-shape determination
MW, pI 35 kDa, 5.669
Gene length, protein length 999 bp, 333 aa
Immediate neighbours flhO, spoIIID
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
Mbl context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU36410

Phenotypes of a mutant

non-viable in the presence of low Mg(2+), readily accumulate rsgI suppressor mutants PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family: ftsA/mreB family (according to Swiss-Prot)

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization: forms helical structures close to the inner surface of the cytoplasmic membrane PubMed

Database entries

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

Additional information

Expression and regulation

  • Operon:
  • Regulation:
    • RelA dependent downregulation (Class I) during stringent response PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Peter Graumann, Freiburg University, Germany homepage

Your additional remarks

References

Kathrin Schirner, Jeff Errington
Influence of heterologous MreB proteins on cell morphology of Bacillus subtilis.
Microbiology (Reading): 2009, 155(Pt 11);3611-3621
[PubMed:19643765] [WorldCat.org] [DOI] (I p)

Kathrin Schirner, Jeff Errington
The cell wall regulator {sigma}I specifically suppresses the lethal phenotype of mbl mutants in Bacillus subtilis.
J Bacteriol: 2009, 191(5);1404-13
[PubMed:19114499] [WorldCat.org] [DOI] (I p)

Hervé Joël Defeu Soufo, Peter L Graumann
Dynamic localization and interaction with other Bacillus subtilis actin-like proteins are important for the function of MreB.
Mol Microbiol: 2006, 62(5);1340-56
[PubMed:17064365] [WorldCat.org] [DOI] (P p)

Rut Carballido-López, Alex Formstone, Ying Li, S Dusko Ehrlich, Philippe Noirot, Jeff Errington
Actin homolog MreBH governs cell morphogenesis by localization of the cell wall hydrolase LytE.
Dev Cell: 2006, 11(3);399-409
[PubMed:16950129] [WorldCat.org] [DOI] (P p)

Kittichoat Tiyanont, Thierry Doan, Michael B Lazarus, Xiao Fang, David Z Rudner, Suzanne Walker
Imaging peptidoglycan biosynthesis in Bacillus subtilis with fluorescent antibiotics.
Proc Natl Acad Sci U S A: 2006, 103(29);11033-8
[PubMed:16832063] [WorldCat.org] [DOI] (P p)

Mark Leaver, Jeff Errington
Roles for MreC and MreD proteins in helical growth of the cylindrical cell wall in Bacillus subtilis.
Mol Microbiol: 2005, 57(5);1196-209
[PubMed:16101995] [WorldCat.org] [DOI] (P p)

Richard A Daniel, Jeff Errington
Control of cell morphogenesis in bacteria: two distinct ways to make a rod-shaped cell.
Cell: 2003, 113(6);767-76
[PubMed:12809607] [WorldCat.org] [DOI] (P p)

Rut Carballido-López, Jeff Errington
The bacterial cytoskeleton: in vivo dynamics of the actin-like protein Mbl of Bacillus subtilis.
Dev Cell: 2003, 4(1);19-28
[PubMed:12530960] [WorldCat.org] [DOI] (P p)

L J Jones, R Carballido-López, J Errington
Control of cell shape in bacteria: helical, actin-like filaments in Bacillus subtilis.
Cell: 2001, 104(6);913-22
[PubMed:11290328] [WorldCat.org] [DOI] (P p)

Y Abhayawardhane, G C Stewart
Bacillus subtilis possesses a second determinant with extensive sequence similarity to the Escherichia coli mreB morphogene.
J Bacteriol: 1995, 177(3);765-73
[PubMed:7836311] [WorldCat.org] [DOI] (P p)