Difference between revisions of "EpsI"

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** the ''[[epsA]]-[[epsB]]-[[epsC]]-[[epsD]]-[[epsE]]-[[epsF]]-[[epsG]]-[[epsH]]-[[epsI]]-[[epsJ]]-[[epsK]]-[[epsL]]-[[epsM]]-[[epsN]]-[[epsO]]'' operon is not expressed in a ''[[ymdB]]'' mutant {{PubMed|21856853}}  
 
** the ''[[epsA]]-[[epsB]]-[[epsC]]-[[epsD]]-[[epsE]]-[[epsF]]-[[epsG]]-[[epsH]]-[[epsI]]-[[epsJ]]-[[epsK]]-[[epsL]]-[[epsM]]-[[epsN]]-[[epsO]]'' operon is not expressed in a ''[[ymdB]]'' mutant {{PubMed|21856853}}  
 
** the amount of the mRNA is substantially decreased upon depletion of [[Rny|RNase Y]] {{PubMed|21815947}}
 
** the amount of the mRNA is substantially decreased upon depletion of [[Rny|RNase Y]] {{PubMed|21815947}}
 +
** the [[EAR riboswitch]] (eps-associated [[RNA switch]]) located between'' [[epsB]]'' and ''[[epsC]]'' mediates  processive antitermination and allows expression of the long eps operon {{PubMed|20374491}}
  
 
=Biological materials =
 
=Biological materials =
Line 139: Line 140:
 
<pubmed>20735481 </pubmed>
 
<pubmed>20735481 </pubmed>
 
==Original publications==
 
==Original publications==
 +
===The EAR [[RNA switch]]===
 +
<pubmed>20374491 20230605 </pubmed>
 +
===Other original publications===
 
'''Additional publications:''' {{PubMed|20817675}}
 
'''Additional publications:''' {{PubMed|20817675}}
 
  <big>''Lehnik-Habrink M, Schaffer M, Mäder U, Diethmaier C, Herzberg C, Stülke J''  </big>
 
  <big>''Lehnik-Habrink M, Schaffer M, Mäder U, Diethmaier C, Herzberg C, Stülke J''  </big>

Revision as of 20:33, 19 November 2011

  • Description: extracellular polysaccharide synthesis

Gene name epsI
Synonyms yveS
Essential no
Product unknown
Function biofilm formation
Regulation of this protein in SubtiPathways:
Biofilm
MW, pI 41 kDa, 8.043
Gene length, protein length 1074 bp, 358 aa
Immediate neighbours epsJ, epsH
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YveS context.gif
This image was kindly provided by SubtiList







Categories containing this gene/protein

biofilm formation

This gene is a member of the following regulons

AbrB regulon, EAR riboswitch, SinR regulon

The gene

Basic information

  • Locus tag: BSU34290

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: polysaccharide pyruvyl transferase family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

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

Additional information

Expression and regulation

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Richard Losick, Harvard Univ., Cambridge, USA homepage

Your additional remarks

References

Reviews

Original publications

The EAR RNA switch

Irnov Irnov, Wade C Winkler
A regulatory RNA required for antitermination of biofilm and capsular polysaccharide operons in Bacillales.
Mol Microbiol: 2010, 76(3);559-75
[PubMed:20374491] [WorldCat.org] [DOI] (I p)

Zasha Weinberg, Joy X Wang, Jarrod Bogue, Jingying Yang, Keith Corbino, Ryan H Moy, Ronald R Breaker
Comparative genomics reveals 104 candidate structured RNAs from bacteria, archaea, and their metagenomes.
Genome Biol: 2010, 11(3);R31
[PubMed:20230605] [WorldCat.org] [DOI] (I p)

Other original publications

Additional publications: PubMed

Lehnik-Habrink M, Schaffer M, Mäder U, Diethmaier C, Herzberg C, Stülke J  
RNA processing in Bacillus subtilis: identification of targets of the essential RNase Y. 
Mol Microbiol. 2011 81(6): 1459-1473. 
PubMed:21815947
Diethmaier C, Pietack N, Gunka K, Wrede C, Lehnik-Habrink M, Herzberg C, Hübner S, Stülke J  
A Novel Factor Controlling Bistability in Bacillus subtilis: The YmdB Protein Affects
Flagellin Expression and Biofilm Formation. 
J Bacteriol.: 2011, 193(21):5997-6007. 
PubMed:21856853

K Nagorska, A Ostrowski, K Hinc, I B Holland, M Obuchowski
Importance of eps genes from Bacillus subtilis in biofilm formation and swarming.
J Appl Genet: 2010, 51(3);369-81
[PubMed:20720312] [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)

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)

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)

Daniel B Kearns, Frances Chu, Steven S Branda, Roberto Kolter, Richard Losick
A master regulator for biofilm formation by Bacillus subtilis.
Mol Microbiol: 2005, 55(3);739-49
[PubMed:15661000] [WorldCat.org] [DOI] (P p)