SigM

• Description: RNA polymerase ECF-type sigma factor SigM
  
  

Gene name	sigM
Synonyms	yhdM
Essential	no
Product	RNA polymerase ECF-type sigma factor SigM
Function	resistance against cell envelope stress, oxidative stress and salt stress
MW, pI	19 kDa, 6.77
Gene length, protein length	489 bp, 163 aa
Immediate neighbours	yhdL, yhdN
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: BSU09520

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: sigma-70 factor family, ECF subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Genes/ operons controlled by SigM

abh, divIC, sigM-yhdLyhdK, yqjL, ypbG, ydaH, ypuA, radC, yebC, ywtF, rodA, ypuD, ytpA, ytpB, yngC, ycgR, ycgQ

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: SigM-YhdK-YhdL

• Localization:

Database entries

• Structure:

• Swiss prot entry: O07582

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: sigM-yhdL-yhdK

• Sigma factor: SigM PubMed

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

John Helmann, Cornell University, USA Homepage

References

Yun Luo, John D Helmann
Extracytoplasmic function sigma factors with overlapping promoter specificity regulate sublancin production in Bacillus subtilis.
J Bacteriol: 2009, 191(15);4951-8
[PubMed:19465659] [WorldCat.org] [DOI] (I p)

Warawan Eiamphungporn, John D Helmann
Extracytoplasmic function sigma factors regulate expression of the Bacillus subtilis yabE gene via a cis-acting antisense RNA.
J Bacteriol: 2009, 191(3);1101-5
[PubMed:19047346] [WorldCat.org] [DOI] (I p)

Letal I Salzberg, John D Helmann
Phenotypic and transcriptomic characterization of Bacillus subtilis mutants with grossly altered membrane composition.
J Bacteriol: 2008, 190(23);7797-807
[PubMed:18820022] [WorldCat.org] [DOI] (I p)

Eva Rietkötter, Diana Hoyer, Thorsten Mascher
Bacitracin sensing in Bacillus subtilis.
Mol Microbiol: 2008, 68(3);768-85
[PubMed:18394148] [WorldCat.org] [DOI] (I p)

Warawan Eiamphungporn, John D Helmann
The Bacillus subtilis sigma(M) regulon and its contribution to cell envelope stress responses.
Mol Microbiol: 2008, 67(4);830-48
[PubMed:18179421] [WorldCat.org] [DOI] (P p)

Thorsten Mascher, Anna-Barbara Hachmann, John D Helmann
Regulatory overlap and functional redundancy among Bacillus subtilis extracytoplasmic function sigma factors.
J Bacteriol: 2007, 189(19);6919-27
[PubMed:17675383] [WorldCat.org] [DOI] (P p)

Adrian J Jervis, Penny D Thackray, Chris W Houston, Malcolm J Horsburgh, Anne Moir
SigM-responsive genes of Bacillus subtilis and their promoters.
J Bacteriol: 2007, 189(12);4534-8
[PubMed:17434969] [WorldCat.org] [DOI] (P p)

Min Cao, Charles M Moore, John D Helmann
Bacillus subtilis paraquat resistance is directed by sigmaM, an extracytoplasmic function sigma factor, and is conferred by YqjL and BcrC.
J Bacteriol: 2005, 187(9);2948-56
[PubMed:15838020] [WorldCat.org] [DOI] (P p)

Mika Yoshimura, Kei Asai, Yoshito Sadaie, Hirofumi Yoshikawa
Interaction of Bacillus subtilis extracytoplasmic function (ECF) sigma factors with the N-terminal regions of their potential anti-sigma factors.
Microbiology (Reading): 2004, 150(Pt 3);591-599
[PubMed:14993308] [WorldCat.org] [DOI] (P p)

Thorsten Mascher, Neil G Margulis, Tao Wang, Rick W Ye, John D Helmann
Cell wall stress responses in Bacillus subtilis: the regulatory network of the bacitracin stimulon.
Mol Microbiol: 2003, 50(5);1591-604
[PubMed:14651641] [WorldCat.org] [DOI] (P p)

Penny D Thackray, Anne Moir
SigM, an extracytoplasmic function sigma factor of Bacillus subtilis, is activated in response to cell wall antibiotics, ethanol, heat, acid, and superoxide stress.
J Bacteriol: 2003, 185(12);3491-8
[PubMed:12775685] [WorldCat.org] [DOI] (P p)

Min Cao, John D Helmann
Regulation of the Bacillus subtilis bcrC bacitracin resistance gene by two extracytoplasmic function sigma factors.
J Bacteriol: 2002, 184(22);6123-9
[PubMed:12399481] [WorldCat.org] [DOI] (P p)

Min Cao, Tao Wang, Rick Ye, John D Helmann
Antibiotics that inhibit cell wall biosynthesis induce expression of the Bacillus subtilis sigma(W) and sigma(M) regulons.
Mol Microbiol: 2002, 45(5);1267-76
[PubMed:12207695] [WorldCat.org] [DOI] (P p)