LiaR

• Description: two-component response regulator, regulation of the liaI-liaH-liaG-liaF-liaS-liaR operon in response to bacitracin
  
  

Gene name	liaR
Synonyms	yvqC
Essential	no
Product	two-component response regulator
Function	regulation of the liaI-liaH-liaG-liaF-liaS-liaR operon in response to bacitracin
MW, pI	22 kDa, 4.956
Gene length, protein length	633 bp, 211 aa
Immediate neighbours	gerAC, liaS
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: BSU33080

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification: phosphorylation on a Asp residue by LiaS

• Cofactor(s):

• Effectors of protein activity:

• Interactions: LiaS-LiaR

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: O32197

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: liaI-liaH-liaG-liaF-liaS-liaR

liaS-liaR

• Sigma factor: SigA

• Regulation: liaI: induced by bacitracin (LiaR)
  • repressed during logrithmic growth (AbrB) PubMed

liaS: constitutive

• Regulatory mechanism: LiaR: transcription activation
  • AbrB: transcription repression PubMed

• 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

Tina Wecke, Daniela Zühlke, Ulrike Mäder, Sina Jordan, Birgit Voigt, Stefan Pelzer, Harald Labischinski, Georg Homuth, Michael Hecker, Thorsten Mascher
Daptomycin versus Friulimicin B: in-depth profiling of Bacillus subtilis cell envelope stress responses.
Antimicrob Agents Chemother: 2009, 53(4);1619-23
[PubMed:19164157] [WorldCat.org] [DOI] (I p)

Anna-Barbara Hachmann, Esther R Angert, John D Helmann
Genetic analysis of factors affecting susceptibility of Bacillus subtilis to daptomycin.
Antimicrob Agents Chemother: 2009, 53(4);1598-609
[PubMed:19164152] [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)

Bronwyn G Butcher, Yi-Pin Lin, John D Helmann
The yydFGHIJ operon of Bacillus subtilis encodes a peptide that induces the LiaRS two-component system.
J Bacteriol: 2007, 189(23);8616-25
[PubMed:17921301] [WorldCat.org] [DOI] (I p)

Sina Jordan, Eva Rietkötter, Mark A Strauch, Falk Kalamorz, Bronwyn G Butcher, John D Helmann, Thorsten Mascher
LiaRS-dependent gene expression is embedded in transition state regulation in Bacillus subtilis.
Microbiology (Reading): 2007, 153(Pt 8);2530-2540
[PubMed:17660417] [WorldCat.org] [DOI] (P p)

Hanne-Leena Hyyryläinen, Milla Pietiäinen, Tuula Lundén, Anna Ekman, Marika Gardemeister, Sanna Murtomäki-Repo, Haike Antelmann, Michael Hecker, Leena Valmu, Matti Sarvas, Vesa P Kontinen
The density of negative charge in the cell wall influences two-component signal transduction in Bacillus subtilis.
Microbiology (Reading): 2007, 153(Pt 7);2126-2136
[PubMed:17600057] [WorldCat.org] [DOI] (P p)

Sina Jordan, Anja Junker, John D Helmann, Thorsten Mascher
Regulation of LiaRS-dependent gene expression in bacillus subtilis: identification of inhibitor proteins, regulator binding sites, and target genes of a conserved cell envelope stress-sensing two-component system.
J Bacteriol: 2006, 188(14);5153-66
[PubMed:16816187] [WorldCat.org] [DOI] (P p)

Thorsten Mascher, Sara L Zimmer, Terry-Ann Smith, John D Helmann
Antibiotic-inducible promoter regulated by the cell envelope stress-sensing two-component system LiaRS of Bacillus subtilis.
Antimicrob Agents Chemother: 2004, 48(8);2888-96
[PubMed:15273097] [WorldCat.org] [DOI] (P p)

Mélanie A Hamon, Nicola R Stanley, Robert A Britton, Alan D Grossman, Beth A Lazazzera
Identification of AbrB-regulated genes involved in biofilm formation by Bacillus subtilis.
Mol Microbiol: 2004, 52(3);847-60
[PubMed:15101989] [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)

C Fabret, V A Feher, J A Hoch
Two-component signal transduction in Bacillus subtilis: how one organism sees its world.
J Bacteriol: 1999, 181(7);1975-83
[PubMed:10094672] [WorldCat.org] [DOI] (P p)