Difference between revisions of "EpsA"
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** induction by sequestration of [[SinR]] by [[SinI]] or [[SlrA]] {{PubMed|15661000,19788541}} or by SlrR {{PubMed|20351052}} | ** induction by sequestration of [[SinR]] by [[SinI]] or [[SlrA]] {{PubMed|15661000,19788541}} or by SlrR {{PubMed|20351052}} | ||
** 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]] (this is likely due to the increased stability of the ''[[sinR]]'' mRNA) {{PubMed|21815947}} |
=Biological materials = | =Biological materials = | ||
Revision as of 14:05, 20 November 2011
- Description: extracellular polysaccharide synthesis, putative transmembrane modulator of EpsB activity, might activate EpsB autophosphorylation and substrate phosphorylation
| Gene name | epsA |
| Synonyms | yveK |
| Essential | no |
| Product | unknown |
| Function | biofilm formation |
| Interactions involving this protein in SubtInteract: EpsA | |
| Regulation of this protein in SubtiPathways: Biofilm | |
| MW, pI | 25 kDa, 6.071 |
| Gene length, protein length | 702 bp, 234 aa |
| Immediate neighbours | epsB, slrR |
| Get the DNA and protein sequences (Barbe et al., 2009) | |
Genetic context 
This image was kindly provided by SubtiList
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Contents
Categories containing this gene/protein
protein modification, biofilm formation, membrane proteins
This gene is a member of the following regulons
The gene
Basic information
- Locus tag: BSU34370
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: cpsC/capA family (according to Swiss-Prot)
- Paralogous protein(s): TkmA
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Localization: cell membrane (according to Swiss-Prot)
Database entries
- Structure:
- UniProt: P71050
- KEGG entry: [3]
- E.C. number:
Additional information
Expression and regulation
- Additional information:
- induction by sequestration of SinR by SinI or SlrA PubMed or by SlrR PubMed
- 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
- the amount of the mRNA is substantially decreased upon depletion of RNase Y (this is likely due to the increased stability of the sinR mRNA) PubMed
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
Additional publications: PubMed
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
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
