YfnI

• Description: polyglycerolphosphate lipoteichoic acid synthase, general stress protein, major secreted protein, required for survival at low temperature (4°C)
  
  

Gene name	yfnI
Synonyms	yetP, ltaSA
Essential	no
Product	minor lipoteichoic acid synthetase
Function	biosynthesis of lipoteichoic acid
Gene expression levels in SubtiExpress: yfnI
MW, pI	73 kDa, 5.951
Gene length, protein length	1917 bp, 639 aa
Immediate neighbours	yetO, yfnH
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

cell wall synthesis, biosynthesis of cell wall components, cell envelope stress proteins (controlled by SigM, V, W, X, Y), phosphoproteins

This gene is a member of the following regulons

SigM regulon

The gene

Basic information

• Locus tag: BSU07260

Phenotypes of a mutant

• induction of SigM and SigX activities PubMed
• more sensitive to nisin PubMed

Database entries

• BsubCyc: BSU07260

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: LTA synthase family (according to Swiss-Prot)

• Paralogous protein(s): LtaS, YqgS, YvgJ

Extended information on the protein

• Kinetic information:

• Domains:

• Modification: phosphorylation on (Thr-311 OR Ser-312) PubMed

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:
  • extracellular (signal peptide) PubMed

Database entries

• BsubCyc: BSU07260

• Structure:

• UniProt: Q797B3

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: yfnI (according to DBTBS)

• Expression browser: yfnI PubMed

• Sigma factor: SigM PubMed

• Regulation:

• Regulatory mechanism:

• Additional information:
  • number of protein molecules per cell (minimal medium with glucose and ammonium): 65 PubMed

Biological materials

• Mutant:
  • SM-NB (yfnI-spc), available in Anne Galinier's and Boris Görke's labs
  • GP1390 yfnI::spc, available in Jörg Stülke's lab
  • GP1397 yfnI::ermC, available in Jörg Stülke's lab

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Original publications

Anthony W Kingston, Xiaojie Liao, John D Helmann
Contributions of the σ(W) , σ(M) and σ(X) regulons to the lantibiotic resistome of Bacillus subtilis.
Mol Microbiol: 2013, 90(3);502-18
[PubMed:23980836] [WorldCat.org] [DOI] (I p)

Michihiro Hashimoto, Takahiro Seki, Satoshi Matsuoka, Hiroshi Hara, Kei Asai, Yoshito Sadaie, Kouji Matsumoto
Induction of extracytoplasmic function sigma factors in Bacillus subtilis cells with defects in lipoteichoic acid synthesis.
Microbiology (Reading): 2013, 159(Pt 1);23-35
[PubMed:23103977] [WorldCat.org] [DOI] (I p)

Mirka E Wörmann, Rebecca M Corrigan, Peter J Simpson, Steve J Matthews, Angelika Gründling
Enzymatic activities and functional interdependencies of Bacillus subtilis lipoteichoic acid synthesis enzymes.
Mol Microbiol: 2011, 79(3);566-83
[PubMed:21255105] [WorldCat.org] [DOI] (I p)

Kathrin Schirner, Jon Marles-Wright, Richard J Lewis, Jeff Errington
Distinct and essential morphogenic functions for wall- and lipo-teichoic acids in Bacillus subtilis.
EMBO J: 2009, 28(7);830-42
[PubMed:19229300] [WorldCat.org] [DOI] (I p)

Birgit Voigt, Haike Antelmann, Dirk Albrecht, Armin Ehrenreich, Karl-Heinz Maurer, Stefan Evers, Gerhard Gottschalk, Jan Maarten van Dijl, Thomas Schweder, Michael Hecker
Cell physiology and protein secretion of Bacillus licheniformis compared to Bacillus subtilis.
J Mol Microbiol Biotechnol: 2009, 16(1-2);53-68
[PubMed:18957862] [WorldCat.org] [DOI] (I 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)

Boris Macek, Ivan Mijakovic, Jesper V Olsen, Florian Gnad, Chanchal Kumar, Peter R Jensen, Matthias Mann
The serine/threonine/tyrosine phosphoproteome of the model bacterium Bacillus subtilis.
Mol Cell Proteomics: 2007, 6(4);697-707
[PubMed:17218307] [WorldCat.org] [DOI] (P p)