chbG:Quickview: Difference between revisions

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!align=left {{table_heading_style}} |Standard Name
!align=left {{table_heading_style}} |Standard Name
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''chbG''
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!align=left {{table_heading_style}} |Gene Synonym(s)
!align=left {{table_heading_style}} |Gene Synonym(s)
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''ECK1731, b1733, JW1722, ydjC, celG''<ref name='LIB:Riley_2006'/>
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!align=left {{table_heading_style}} |Product Desc.
!align=left {{table_heading_style}} |Product Desc.
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conserved protein<ref name='LIB:EcoCyc10.6'/><ref name='LIB:EcoCyc11.1'/>
Member of chb operon, function unknown<ref name='LIB:EcoGene'/>
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!align=left {{table_heading_style}} |Product Synonyms(s)
!align=left {{table_heading_style}} |Product Synonyms(s)
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conserved protein<ref name='LIB:Riley_2006'/>, B1733<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>, ChbG<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>, YdjC<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>, CelG<ref name='LIB:EcoCyc10.6'/><ref name='LIB:Riley_2006'/>
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!align=left {{table_heading_style}} |Knock-Out Phenotype
!align=left {{table_heading_style}} |Knock-Out Phenotype
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!align=left {{table_heading_style}} |Regulation/Expression
!align=left {{table_heading_style}} |Regulation/Expression
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transcription unit(s): [[:Category:Txn_unit:chbBCARFG|chbBCARFG]]<ref name='LIB:EcoCyc10.6'/>
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!align=left {{table_heading_style}} |Regulation/Activity
!align=left {{table_heading_style}} |Regulation/Activity
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Revision as of 20:17, 4 March 2009

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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

chbG

Gene Synonym(s)

ECK1731, b1733, JW1722, ydjC, celG[1]

Product Desc.

conserved protein[2][3]

Member of chb operon, function unknown[4]

Product Synonyms(s)

conserved protein[1], B1733[2][1], ChbG[2][1], YdjC[2][1], CelG[2][1]

Knock-Out Phenotype
Regulation/Expression

transcription unit(s): chbBCARFG[2]

Regulation/Activity


edit table

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

Notes

[back to top]


The chb operon is induced by N,N'-diacetylchitobiose. The chb operon was previously thought to encode a cryptic cel operon for a cellobiose degradation system. The Cel+ phenotype is due to mutations making expression chitobiose-independent, but a fully induced operon did not support growth on cellobiose, implying a mutation altering the substrate specificity is needed; several candidate mutations were noted in Genbank, but not proven to alter the specificity of the system (Keyhani, 1997). In contrast, a later study claim that mutations making the operon expression high-level constitutive by chbR and nagC mutations are sufficient for the Cel+ phenotype and that no mutations altering substrate specificity are required (Kachroo, 2007).[4]



References

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  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 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 2.5 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.