TasA

• Description: major component of biofilm matrix, translocation-dependent antimicrobial spore component
  
  

Gene name	tasA
Synonyms	cotN, yqhF
Essential	no
Product	major component of biofilm matrix
Function	biofilm formation
MW, pI	28 kDa, 5.442
Gene length, protein length	783 bp, 261 aa
Immediate neighbours	sinR, sipW
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: BSU24620

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: peptidase M73 family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: extracellular (signal peptide) PubMed, membrane PubMed

Database entries

• Structure:

• UniProt: P54507

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: yqxM-sipW-tasA PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed by casamino acids PubMed
  • repressed by SinR PubMed
  • repressed during logrithmic growth (AbrB) PubMed

• Regulatory mechanism:
  • AbrB: transcription repression PubMed
  • SinR: transcription repression PubMed

• Additional information:
  • induction by sequestration of SinR by SinI or SlrA PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

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)

Hannes Hahne, Susanne Wolff, Michael Hecker, Dörte Becher
From complementarity to comprehensiveness--targeting the membrane proteome of growing Bacillus subtilis by divergent approaches.
Proteomics: 2008, 8(19);4123-36
[PubMed:18763711] [WorldCat.org] [DOI] (I p)

Kazuo Kobayashi
SlrR/SlrA controls the initiation of biofilm formation in Bacillus subtilis.
Mol Microbiol: 2008, 69(6);1399-410
[PubMed:18647168] [WorldCat.org] [DOI] (I p)

Frances Chu, Daniel B Kearns, Anna McLoon, Yunrong Chai, Roberto Kolter, Richard Losick
A novel regulatory protein governing biofilm formation in Bacillus subtilis.
Mol Microbiol: 2008, 68(5);1117-27
[PubMed:18430133] [WorldCat.org] [DOI] (I p)

Yunrong Chai, Frances Chu, Roberto Kolter, Richard Losick
Bistability and biofilm formation in Bacillus subtilis.
Mol Microbiol: 2008, 67(2);254-63
[PubMed:18047568] [WorldCat.org] [DOI] (P 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)

Steven S Branda, Frances Chu, Daniel B Kearns, Richard Losick, Roberto Kolter
A major protein component of the Bacillus subtilis biofilm matrix.
Mol Microbiol: 2006, 59(4);1229-38
[PubMed:16430696] [WorldCat.org] [DOI] (P p)

Frances Chu, Daniel B Kearns, Steven S Branda, Roberto Kolter, Richard Losick
Targets of the master regulator of biofilm formation in Bacillus subtilis.
Mol Microbiol: 2006, 59(4);1216-28
[PubMed:16430695] [WorldCat.org] [DOI] (P p)

Ulrike Mäder, Georg Homuth, Christian Scharf, Knut Büttner, Rüdiger Bode, Michael Hecker
Transcriptome and proteome analysis of Bacillus subtilis gene expression modulated by amino acid availability.
J Bacteriol: 2002, 184(15);4288-95
[PubMed:12107147] [WorldCat.org] [DOI] (P p)

A G Stöver, A Driks
Regulation of synthesis of the Bacillus subtilis transition-phase, spore-associated antibacterial protein TasA.
J Bacteriol: 1999, 181(17);5476-81
[PubMed:10464223] [WorldCat.org] [DOI] (P p)

M Serrano, R Zilhão, E Ricca, A J Ozin, C P Moran, A O Henriques
A Bacillus subtilis secreted protein with a role in endospore coat assembly and function.
J Bacteriol: 1999, 181(12);3632-43
[PubMed:10368135] [WorldCat.org] [DOI] (P p)