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!align=left |Standard Name
!align=left {{table_heading_style}} |Standard Name
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''leuO''  
''leuO''  
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!align=left |Gene Synonym(s)
!align=left {{table_heading_style}} |Gene Synonym(s)
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''ECK0078, b0076, JW0075''<ref name='LIB:Riley_2006'/>
''ECK0078, b0076, JW0075''<ref name='LIB:Riley_2006'/>
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!align=left |Product Desc.
!align=left {{table_heading_style}} |Product Desc.
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LeuO transcriptional activator<ref name='LIB:EcoCyc10.6'/><ref name='LIB:EcoCyc11.1'/>
LeuO transcriptional activator<ref name='LIB:EcoCyc10.6'/><ref name='LIB:EcoCyc11.1'/>
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Pleiotropic transcriptional regulator; regulates dsrA; relieves bgl silencing, multi-copy represses cadC<ref name='LIB:EcoGene'/>
Pleiotropic transcriptional regulator; regulates dsrA; relieves bgl silencing, multi-copy represses cadC<ref name='LIB:EcoGene'/>
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!align=left |Product Synonyms(s)
!align=left {{table_heading_style}} |Product Synonyms(s)
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DNA-binding transcriptional activator<ref name='LIB:Riley_2006'/>, B0076<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>, LeuO<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>, affects expression of small regulatory Dsr-RNA<ref name='PMID:9302018' />, translational regulation of rpoS, relieves bgl silencing<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>  
DNA-binding transcriptional activator<ref name='LIB:Riley_2006'/>, B0076<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>, LeuO<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>, affects expression of small regulatory Dsr-RNA<ref name='PMID:9302018' />, translational regulation of rpoS, relieves bgl silencing<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>  
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!align=left |Knock-Out Phenotype
!align=left {{table_heading_style}} |Function from GO
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!align=left |Regulation/Expression
!align=left {{table_heading_style}} |Knock-Out Phenotype
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!align=left {{table_heading_style}} |Regulation/Expression
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transcription unit(s): [[:Category:Txn_unit:leuO|leuO]]<ref name='LIB:EcoCyc10.6'/>  
transcription unit(s): [[:Category:Txn_unit:leuO|leuO]]<ref name='LIB:EcoCyc10.6'/>  
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!align=left |Regulation/Activity
!align=left {{table_heading_style}} |Regulation/Activity
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!align=left {{table_heading_style}} |Quick Links
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[http://ecoliwiki.net/tools/display_dna.php?gene=leuO&loc=MG1655:84368..85312,W3110:84368..85312,REL606:87172..88116 DNA display]&nbsp;&nbsp;&nbsp; [http://ecoliwiki.net/tools/display_protein.php?f=NC_000913&start=87172&end=88116&gene=leuO&aa=mthstamdsvfirtrifmfsefysfcfflfymhdksyssglflcipirerelsvtvelsmpevqtdhpetaelskpqlrmvdlnlltvfdavmqeqnitraahvlgmsqpavsnavarlkvmfndelfvrygrgiqptarafqlfgsvrqalqlvqnelpgsgfepasservfhlcvcspldsiltsqiynhieqiapnihvmfksslnqntehqlryqetefvisyedfhrpeftsvplfkdemvlvasknhptikgpllkhdvyneqhaavsldrfasfsqpwydtvdkqasiayqgmammsvlsvvsqthlvaiaprwlaeefaeslelqvlplplkqnsrtcylswheaagrdkghqwmeeqlvsickr Protein display]&nbsp;&nbsp;&nbsp; [http://www.ncbi.nlm.nih.gov/sites/entrez?db=pubmed&cmd=Search&Term=leuO+AND+escherichia+coli Pubmed(leuO)]&nbsp;&nbsp;&nbsp; [http://trimer.tamu.edu/cgi-bin/textpresso/2.1/ecoli/search?searchstring=leuO Textpresso(leuO)]


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Revision as of 23:47, 21 January 2010

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Quickview   Gene   Gene Product(s)   Expression   Evolution   On One Page    
References Suggestions

See Help:Quickview for help with entering information in the Quickview table.

Standard Name

leuO

Gene Synonym(s)

ECK0078, b0076, JW0075[1]

Product Desc.

LeuO transcriptional activator[2][3]

Pleiotropic transcriptional regulator; regulates dsrA; relieves bgl silencing, multi-copy represses cadC[4]

Product Synonyms(s)

DNA-binding transcriptional activator[1], B0076[2][1], LeuO[2][1], affects expression of small regulatory Dsr-RNA[5], translational regulation of rpoS, relieves bgl silencing[2][1]

Function from GO
Knock-Out Phenotype
Regulation/Expression

transcription unit(s): leuO[2]

Regulation/Activity
Quick Links

DNA display    Protein display    Pubmed(leuO)    Textpresso(leuO)

edit table

See Help:Quickview for help with entering information in the Quickview table.

Notes

[back to top]


LysR-family. leuO is upstream and divergent of the leuABCD operon. LeuO is required for recovery of a relA1 strain from starvation for brached-chain amino acids. In Salmonella, LeuO relieves leuABCD silencing mediated by an AT-rich silencer sequence between leuO and leuA. In Salmonella, LeuO expression is activated by an ilvHI-leuO-leuA promoter relay mechanism mediated by DNA supercoiling, possibly explaining the ppGpp-dependent increase in E. coli LeuO expression in stationary phase as an indirect effect of ppGpp stimulating the expression of Lrp, an ilvHI activator.[4]



References

[back to top]


  1. ↑ 1.0 1.1 1.2 1.3 1.4 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. ↑ 2.0 2.1 2.2 2.3 2.4 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. ↑ EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. ↑ 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
  5. ↑ Klauck, E et al. (1997) The LysR-like regulator LeuO in Escherichia coli is involved in the translational regulation of rpoS by affecting the expression of the small regulatory DsrA-RNA. Mol. Microbiol. 25 559-69 PubMed
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