GerQ

• Description: spore coat protein, necessary for the proper localization of CwlJ
  
  

Gene name	gerQ
Synonyms	ywdL, ipa-62r
Essential	no
Product	spore coat protein
Function	spore germination
Gene expression levels in SubtiExpress: gerQ
MW, pI	20 kDa, 7.012
Gene length, protein length	543 bp, 181 aa
Immediate neighbours	spsA, ywdK
Sequences	Protein DNA Advanced_DNA
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

sporulation proteins, germination

This gene is a member of the following regulons

SigE regulon

The gene

Basic information

• Locus tag: BSU37920

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: cross-linked by YabG and Tgl at higher temperatures that induce germination PubMed

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:
  • inner spore coat PubMed

Database entries

• Structure:

• UniProt: P39620

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: gerQ PubMed

• Expression browser: gerQ PubMed

• Sigma factor: SigE PubMed

• Regulation:
  • expressed early during sporulation in the mother cell (SigE) PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:
  • 1G18 ( gerQ::spec), PubMed, available at BGSC

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Daisuke Imamura, Ritsuko Kuwana, Hiromu Takamatsu, Kazuhito Watabe
Localization of proteins to different layers and regions of Bacillus subtilis spore coats.
J Bacteriol: 2010, 192(2);518-24
[PubMed:19933362] [WorldCat.org] [DOI] (I p)

Alicia Monroe, Peter Setlow
Localization of the transglutaminase cross-linking sites in the Bacillus subtilis spore coat protein GerQ.
J Bacteriol: 2006, 188(21);7609-16
[PubMed:16936016] [WorldCat.org] [DOI] (P p)

Ritsuko Kuwana, Naoyuki Okuda, Hiromu Takamatsu, Kazuhito Watabe
Modification of GerQ reveals a functional relationship between Tgl and YabG in the coat of Bacillus subtilis spores.
J Biochem: 2006, 139(5);887-901
[PubMed:16751597] [WorldCat.org] [DOI] (P p)

Rita Zilhão, Rachele Isticato, Lígia O Martins, Leif Steil, Uwe Völker, Ezio Ricca, Charles P Moran, Adriano O Henriques
Assembly and function of a spore coat-associated transglutaminase of Bacillus subtilis.
J Bacteriol: 2005, 187(22);7753-64
[PubMed:16267299] [WorldCat.org] [DOI] (P p)

Leif Steil, Mónica Serrano, Adriano O Henriques, Uwe Völker
Genome-wide analysis of temporally regulated and compartment-specific gene expression in sporulating cells of Bacillus subtilis.
Microbiology (Reading): 2005, 151(Pt 2);399-420
[PubMed:15699190] [WorldCat.org] [DOI] (P p)

Katerina Ragkousi, Peter Setlow
Transglutaminase-mediated cross-linking of GerQ in the coats of Bacillus subtilis spores.
J Bacteriol: 2004, 186(17);5567-75
[PubMed:15317760] [WorldCat.org] [DOI] (P p)

Katerina Ragkousi, Patrick Eichenberger, Christiaan van Ooij, Peter Setlow
Identification of a new gene essential for germination of Bacillus subtilis spores with Ca2+-dipicolinate.
J Bacteriol: 2003, 185(7);2315-29
[PubMed:12644503] [WorldCat.org] [DOI] (P p)