Difference between revisions of "SkfB"

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Revision as of 13:17, 18 April 2012

  • Description: synthesis of spore killing factor

Gene name skfB
Synonyms ybcP, ybcQ
Essential no
Product unknown
Function synthesis of spore killing factor
MW, pI 45 kDa, 4.934
Gene length, protein length 1230 bp, 410 aa
Immediate neighbours skfA, skfC
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YbcP context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
SkfB expression.png
























Categories containing this gene/protein

toxins, antitoxins and immunity against toxins

This gene is a member of the following regulons

AbrB regulon, PhoP regulon, Spo0A regulon

The gene

Basic information

  • Locus tag: BSU01920

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family: moaA/nifB/pqqE family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s): contains an iron-sulfur cluster
  • Effectors of protein activity:

Database entries

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

Additional information

Expression and regulation

  • Regulation:
    • expressed under conditions that trigger sporulation (Spo0A) PubMed
    • repressed during logrithmic growth (AbrB) PubMed
    • induced by phosphate starvation (PhoP) PubMed
  • Additional information: Northern blotting during during phosphate limitation showed an intense 0.25 kb skfA-specific transcript, and a weaker 6.5 kb skfA-skfB-skfC-skfE-skfF-skfG-skfH transcript. The skfA transcript is stabilized by a stem-loop structure in the skfA-skfB intergenic region. PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Reviews

José Eduardo González-Pastor
Cannibalism: a social behavior in sporulating Bacillus subtilis.
FEMS Microbiol Rev: 2011, 35(3);415-24
[PubMed:20955377] [WorldCat.org] [DOI] (I p)

Original Publications

Allison V Banse, Arnaud Chastanet, Lilah Rahn-Lee, Errett C Hobbs, Richard Losick
Parallel pathways of repression and antirepression governing the transition to stationary phase in Bacillus subtilis.
Proc Natl Acad Sci U S A: 2008, 105(40);15547-52
[PubMed:18840696] [WorldCat.org] [DOI] (I p)

Mark A Strauch, Benjamin G Bobay, John Cavanagh, Fude Yao, Angelo Wilson, Yoann Le Breton
Abh and AbrB control of Bacillus subtilis antimicrobial gene expression.
J Bacteriol: 2007, 189(21);7720-32
[PubMed:17720793] [WorldCat.org] [DOI] (P p)

Akihito Ochiai, Takafumi Itoh, Akiko Kawamata, Wataru Hashimoto, Kousaku Murata
Plant cell wall degradation by saprophytic Bacillus subtilis strains: gene clusters responsible for rhamnogalacturonan depolymerization.
Appl Environ Microbiol: 2007, 73(12);3803-13
[PubMed:17449691] [WorldCat.org] [DOI] (P p)

Nicholas E E Allenby, Carys A Watts, Georg Homuth, Zoltán Prágai, Anil Wipat, Alan C Ward, Colin R Harwood
Phosphate starvation induces the sporulation killing factor of Bacillus subtilis.
J Bacteriol: 2006, 188(14);5299-303
[PubMed:16816204] [WorldCat.org] [DOI] (P p)

Helga Westers, Peter G Braun, Lidia Westers, Haike Antelmann, Michael Hecker, Jan D H Jongbloed, Hirofumi Yoshikawa, Teruo Tanaka, Jan Maarten van Dijl, Wim J Quax
Genes involved in SkfA killing factor production protect a Bacillus subtilis lipase against proteolysis.
Appl Environ Microbiol: 2005, 71(4);1899-908
[PubMed:15812018] [WorldCat.org] [DOI] (P p)

Masaya Fujita, José Eduardo González-Pastor, Richard Losick
High- and low-threshold genes in the Spo0A regulon of Bacillus subtilis.
J Bacteriol: 2005, 187(4);1357-68
[PubMed:15687200] [WorldCat.org] [DOI] (P p)

Virginie Molle, Masaya Fujita, Shane T Jensen, Patrick Eichenberger, José E González-Pastor, Jun S Liu, Richard Losick
The Spo0A regulon of Bacillus subtilis.
Mol Microbiol: 2003, 50(5);1683-701
[PubMed:14651647] [WorldCat.org] [DOI] (P p)

José E González-Pastor, Errett C Hobbs, Richard Losick
Cannibalism by sporulating bacteria.
Science: 2003, 301(5632);510-3
[PubMed:12817086] [WorldCat.org] [DOI] (I p)