MreB

• Description: cell-shape determining protein
  
  

Gene name	mreB
Synonyms	divIVB
Essential	yes PubMed
Product	cell-shape determining protein
Function	cell-shape determination
MW, pI	35 kDa, 4.901
Gene length, protein length	1011 bp, 337 aa
Immediate neighbours	mreC, radC
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: BSU28030

Phenotypes of a mutant

essential PubMed, the mutation can be suppressed by inactivation of ponA, ptsI, ccpA PubMed or addition of 5 mM Magnesium to the growth medium PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: ftsA/mreB family (according to Swiss-Prot)

• Paralogous protein(s): Mbl, MreBH

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: MreB-Mbl, MreB-MreBH PubMed

• Localization: forms helical structures close to the inner surface of the cytoplasmic membrane PubMed

Database entries

• Structure:

• UniProt: Q01465

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: mreB-mreC-mreD-minC-minD

• Sigma factor: SigH PubMed

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Jeff Errington lab

• Antibody: available in the Jeff Errington and Peter Graumann labs

Labs working on this gene/protein

Jeff Errington, Newcastle University, UK homepage

Peter Graumann, Freiburg University, Germany homepage

References

Daniel Muñoz-Espín, Richard Daniel, Yoshikazu Kawai, Rut Carballido-López, Virginia Castilla-Llorente, Jeff Errington, Wilfried J J Meijer, Margarita Salas
The actin-like MreB cytoskeleton organizes viral DNA replication in bacteria.
Proc Natl Acad Sci U S A: 2009, 106(32);13347-52
[PubMed:19654094] [WorldCat.org] [DOI] (I p)

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)

Yoshikazu Kawai, Richard A Daniel, Jeffery Errington
Regulation of cell wall morphogenesis in Bacillus subtilis by recruitment of PBP1 to the MreB helix.
Mol Microbiol: 2009, 71(5);1131-44
[PubMed:19192185] [WorldCat.org] [DOI] (I p)

Joshua A Mayer, Kurt J Amann
Assembly properties of the Bacillus subtilis actin, MreB.
Cell Motil Cytoskeleton: 2009, 66(2);109-18
[PubMed:19117023] [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)

Alex Formstone, Jeffery Errington
A magnesium-dependent mreB null mutant: implications for the role of mreB in Bacillus subtilis.
Mol Microbiol: 2005, 55(6);1646-57
[PubMed:15752190] [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)

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)

P A Levin, P S Margolis, P Setlow, R Losick, D Sun
Identification of Bacillus subtilis genes for septum placement and shape determination.
J Bacteriol: 1992, 174(21);6717-28
[PubMed:1400224] [WorldCat.org] [DOI] (P p)