SigV

• Description: RNA polymerase ECF-type sigma factor SigV
  
  

Gene name	sigV
Synonyms
Essential	no
Product	RNA polymerase ECF-type sigma factor SigV
Function	response to lysozyme
Gene expression levels in SubtiExpress: sigV
Interactions involving this protein in SubtInteract: SigV
MW, pI	19 kDa, 9.037
Gene length, protein length	498 bp, 166 aa
Immediate neighbours	yrhO, rsiV
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

transcription, sigma factors and their control, cell envelope stress proteins (controlled by SigM, V, W, X, Y)

This gene is a member of the following regulons

SigV regulon

The SigV regulon:

• sigV-rsiV-oatA-yrhK

The gene

Basic information

• Locus tag: BSU27120

Phenotypes of a mutant

• • increased sensitivity to lysozyme, this can be suppressed by overexpression of oatA PubMed

Database entries

• BsubCyc: BSU27120

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: ECF subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:
  • activity is controlled by the interaction with RsiV, proteolytic degradation of RsiV releases active SigV PubMed
• Interactions:
  • SigV-RsiV, this interaction inhibits the activity of SigV PubMed
  • SigV-(RpoB-RpoC)

• Localization:

Database entries

• BsubCyc: BSU27120

• Structure:

• UniProt: O05404

• KEGG entry: [3]

• E.C. number:

Additional information

• Expression of the SigV regulon in increased in ugtP mutants PubMed

Expression and regulation

• Operon: sigV-rsiV-oatA-yrhK PubMed

• Expression browser: sigV PubMed

• Sigma factor: SigV PubMed

• Regulation:
  • induced by lysozyme (SigV) PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:
  • 1A907 ( sigV::kan), PubMed, available at BGSC

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

Thomas Wiegert, University of Bayreuth, Germany Homepage

References

Jessica L Hastie, Kyle B Williams, Craig D Ellermeier
The activity of σV, an extracytoplasmic function σ factor of Bacillus subtilis, is controlled by regulated proteolysis of the anti-σ factor RsiV.
J Bacteriol: 2013, 195(14);3135-44
[PubMed:23687273] [WorldCat.org] [DOI] (I p)

Satoshi Matsuoka, Minako Chiba, Yu Tanimura, Michihiro Hashimoto, Hiroshi Hara, Kouji Matsumoto
Abnormal morphology of Bacillus subtilis ugtP mutant cells lacking glucolipids.
Genes Genet Syst: 2011, 86(5);295-304
[PubMed:22362028] [WorldCat.org] [DOI] (I p)

Veronica Guariglia-Oropeza, John D Helmann
Bacillus subtilis σ(V) confers lysozyme resistance by activation of two cell wall modification pathways, peptidoglycan O-acetylation and D-alanylation of teichoic acids.
J Bacteriol: 2011, 193(22);6223-32
[PubMed:21926231] [WorldCat.org] [DOI] (I p)

Theresa D Ho, Jessica L Hastie, Peter J Intile, Craig D Ellermeier
The Bacillus subtilis extracytoplasmic function σ factor σ(V) is induced by lysozyme and provides resistance to lysozyme.
J Bacteriol: 2011, 193(22);6215-22
[PubMed:21856855] [WorldCat.org] [DOI] (I p)

Yun Luo, Kei Asai, Yoshito Sadaie, John D Helmann
Transcriptomic and phenotypic characterization of a Bacillus subtilis strain without extracytoplasmic function σ factors.
J Bacteriol: 2010, 192(21);5736-45
[PubMed:20817771] [WorldCat.org] [DOI] (I p)

Michihiro Hashimoto, Hiroaki Takahashi, Yoshinori Hara, Hiroshi Hara, Kei Asai, Yoshito Sadaie, Kouji Matsumoto
Induction of extracytoplasmic function sigma factors in Bacillus subtilis cells with membranes of reduced phosphatidylglycerol content.
Genes Genet Syst: 2009, 84(3);191-8
[PubMed:19745567] [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)

Stephan Zellmeier, Claudia Hofmann, Sylvia Thomas, Thomas Wiegert, Wolfgang Schumann
Identification of sigma(V)-dependent genes of Bacillus subtilis.
FEMS Microbiol Lett: 2005, 253(2);221-9
[PubMed:16274938] [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)