TnrA

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  • Description: transcriptional pleiotropic regulator invoved in global nitrogen regulation

Gene name tnrA
Synonyms scgR
Essential no
Product transcription activator/ repressor
Function regulation of nitrogen assimilation
(positive regulation of nrgAB, nasBCDEF, gabP,
ureABC, guaD; negative regulation of glnRA, gltAB)
Metabolic function and regulation of this protein in SubtiPathways:
Lipid synthesis, Nucleotides (regulation), Ile, Leu, Val,
Ammonium/ glutamate, Central C-metabolism, Cell wall,
Coenzyme A, Phosphorelay
MW, pI 12 kDa, 10.235
Gene length, protein length 330 bp, 110 aa
Immediate neighbours mgtE, ykzB
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
TnrA context.gif
This image was kindly provided by SubtiList










The gene

Basic information

  • Locus tag: BSU13310

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:
  • Paralogous protein(s):

Genes/ operons controlled by TnrA

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity: feedback-inhibited GlnA prevents TnrA from DNA binding
  • Localization:

Database entries

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

Additional information

Expression and regulation

  • Operon: tnrA (according to DBTBS)
  • Regulation:
    • expression is autocativated (TnrA) and repressed by GlnR PubMed
    • expressed in the absence of good nitrogen sources (glutamine or ammonium) (TnrA) PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant: GP252 (in frame deletion), available in the Stülke lab
  • Expression vector:
    • for expression, purification in E. coli with N-terminal His-tag, in pWH844: pGP171 available in Stülke lab
    • pGP229 (N-terminal Strep-tag, for SPINE, expression in B. subtilis, in pGP380), available in Stülke lab
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:

Labs working on this gene/protein

Susan Fisher, Boston, USA homepage

Your additional remarks

References

Reviews

Original publications

Susan H Fisher, Lewis V Wray
Novel trans-Acting Bacillus subtilis glnA mutations that derepress glnRA expression.
J Bacteriol: 2009, 191(8);2485-92
[PubMed:19233925] [WorldCat.org] [DOI] (I p)

Airat Kayumov, Annette Heinrich, Margarita Sharipova, Olga Iljinskaya, Karl Forchhammer
Inactivation of the general transcription factor TnrA in Bacillus subtilis by proteolysis.
Microbiology (Reading): 2008, 154(Pt 8);2348-2355
[PubMed:18667567] [WorldCat.org] [DOI] (P p)

Lewis V Wray, Susan H Fisher
Functional analysis of the carboxy-terminal region of Bacillus subtilis TnrA, a MerR family protein.
J Bacteriol: 2007, 189(1);20-7
[PubMed:17085574] [WorldCat.org] [DOI] (P p)

Annette Heinrich, Kathrin Woyda, Katja Brauburger, Gregor Meiss, Christian Detsch, Jörg Stülke, Karl Forchhammer
Interaction of the membrane-bound GlnK-AmtB complex with the master regulator of nitrogen metabolism TnrA in Bacillus subtilis.
J Biol Chem: 2006, 281(46);34909-17
[PubMed:17001076] [WorldCat.org] [DOI] (P p)

Susan H Fisher, Lewis V Wray
Feedback-resistant mutations in Bacillus subtilis glutamine synthetase are clustered in the active site.
J Bacteriol: 2006, 188(16);5966-74
[PubMed:16885465] [WorldCat.org] [DOI] (P p)

Jill M Zalieckas, Lewis V Wray, Susan H Fisher
Cross-regulation of the Bacillus subtilis glnRA and tnrA genes provides evidence for DNA binding site discrimination by GlnR and TnrA.
J Bacteriol: 2006, 188(7);2578-85
[PubMed:16547045] [WorldCat.org] [DOI] (P p)

Alain Lévine, Françoise Vannier, Cédric Absalon, Lauriane Kuhn, Peter Jackson, Elaine Scrivener, Valérie Labas, Joëlle Vinh, Patrick Courtney, Jérôme Garin, Simone J Séror
Analysis of the dynamic Bacillus subtilis Ser/Thr/Tyr phosphoproteome implicated in a wide variety of cellular processes.
Proteomics: 2006, 6(7);2157-73
[PubMed:16493705] [WorldCat.org] [DOI] (P p)

Shigeo Tojo, Takenori Satomura, Kaori Morisaki, Ken-Ichi Yoshida, Kazutake Hirooka, Yasutaro Fujita
Negative transcriptional regulation of the ilv-leu operon for biosynthesis of branched-chain amino acids through the Bacillus subtilis global regulator TnrA.
J Bacteriol: 2004, 186(23);7971-9
[PubMed:15547269] [WorldCat.org] [DOI] (P p)

Boris R Belitsky, Abraham L Sonenshein
Modulation of activity of Bacillus subtilis regulatory proteins GltC and TnrA by glutamate dehydrogenase.
J Bacteriol: 2004, 186(11);3399-407
[PubMed:15150225] [WorldCat.org] [DOI] (P p)

Emmanuel Guedon, Charles M Moore, Qiang Que, Tao Wang, Rick W Ye, John D Helmann
The global transcriptional response of Bacillus subtilis to manganese involves the MntR, Fur, TnrA and sigmaB regulons.
Mol Microbiol: 2003, 49(6);1477-91
[PubMed:12950915] [WorldCat.org] [DOI] (P p)

Ken-ichi Yoshida, Hirotake Yamaguchi, Masaki Kinehara, Yo-hei Ohki, Yoshiko Nakaura, Yasutaro Fujita
Identification of additional TnrA-regulated genes of Bacillus subtilis associated with a TnrA box.
Mol Microbiol: 2003, 49(1);157-65
[PubMed:12823818] [WorldCat.org] [DOI] (P p)

Jaclyn L Brandenburg, Lewis V Wray, Lars Beier, Hanne Jarmer, Hans H Saxild, Susan H Fisher
Roles of PucR, GlnR, and TnrA in regulating expression of the Bacillus subtilis ure P3 promoter.
J Bacteriol: 2002, 184(21);6060-4
[PubMed:12374841] [WorldCat.org] [DOI] (P p)

Susan H Fisher, Jaclyn L Brandenburg, Lewis V Wray
Mutations in Bacillus subtilis glutamine synthetase that block its interaction with transcription factor TnrA.
Mol Microbiol: 2002, 45(3);627-35
[PubMed:12139611] [WorldCat.org] [DOI] (P p)

L V Wray, J M Zalieckas, S H Fisher
Bacillus subtilis glutamine synthetase controls gene expression through a protein-protein interaction with transcription factor TnrA.
Cell: 2001, 107(4);427-35
[PubMed:11719184] [WorldCat.org] [DOI] (P p)

B R Belitsky, L V Wray, S H Fisher, D E Bohannon, A L Sonenshein
Role of TnrA in nitrogen source-dependent repression of Bacillus subtilis glutamate synthase gene expression.
J Bacteriol: 2000, 182(21);5939-47
[PubMed:11029411] [WorldCat.org] [DOI] (P p)

D Robichon, M Arnaud, R Gardan, Z Pragai, M O'Reilly, G Rapoport, M Débarbouillé
Expression of a new operon from Bacillus subtilis, ykzB-ykoL, under the control of the TnrA and PhoP-phoR global regulators.
J Bacteriol: 2000, 182(5);1226-31
[PubMed:10671441] [WorldCat.org] [DOI] (P p)

L V Wray, A E Ferson, S H Fisher
Expression of the Bacillus subtilis ureABC operon is controlled by multiple regulatory factors including CodY, GlnR, TnrA, and Spo0H.
J Bacteriol: 1997, 179(17);5494-501
[PubMed:9287005] [WorldCat.org] [DOI] (P p)

L V Wray, A E Ferson, K Rohrer, S H Fisher
TnrA, a transcription factor required for global nitrogen regulation in Bacillus subtilis.
Proc Natl Acad Sci U S A: 1996, 93(17);8841-5
[PubMed:8799114] [WorldCat.org] [DOI] (P p)

S W Brown, A L Sonenshein
Autogenous regulation of the Bacillus subtilis glnRA operon.
J Bacteriol: 1996, 178(8);2450-4
[PubMed:8636055] [WorldCat.org] [DOI] (P p)

H J Schreier, S W Brown, K D Hirschi, J F Nomellini, A L Sonenshein
Regulation of Bacillus subtilis glutamine synthetase gene expression by the product of the glnR gene.
J Mol Biol: 1989, 210(1);51-63
[PubMed:2573733] [WorldCat.org] [DOI] (P p)

S H Fisher, A L Sonenshein
Bacillus subtilis glutamine synthetase mutants pleiotropically altered in glucose catabolite repression.
J Bacteriol: 1984, 157(2);612-21
[PubMed:6141156] [WorldCat.org] [DOI] (P p)

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