Difference between revisions of "Part:BBa K352002"

 
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<partinfo>BBa_K352002 short</partinfo>
 
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CooA is a CO-sensing protein that activates the transcription of genes encoding the CO-oxidation (coo) regulon, whose polypeptide products are required for utilizing CO as an energy source in Rhodospirillum rubrum. CooA binds to a position overlapping the -35 element of the P(cooF) promoter, similar to the arrangement of class II CRP (cAMP receptor protein)- and FNR (fumarate and nitrate reductase activator protein)-dependent promoters when expressed in Escherichia coli.
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    Rhodospirillum rubrum is able to use CO as an carbon source with its CO-sensing protein called CooA. CooA activates the transcription of genes encoding the CO-oxidation (coo) regulon which produces the proteins needed for the utilization of CO. CooA binds to a position overlapping the -35 element of the P(cooF) promoter, similar to the arrangement of class II CRP (cAMP receptor protein)- and FNR (fumarate and nitrate reductase activator protein)-dependent promoters when expressed in Escherichia coli.
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    The two CO regulated transcriptional units, cooMKLXUH and cooFSCTJ, is responsible for  the CO-dependent anaerobic growth of Rhodospirillum rubrum and enable the bacteria to oxidize CO . The coo regulon has three main products which are listed as O2-sensitive CO dehydrogenase (CooS), CooS-associated Fe-S protein (CooF), CO-tolerant hydrogenase (CooH). CooA is responsible for the expression of the genes of these proteins and activates by sensing CO in anaerobic environments.
  
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The CO-dependent anaerobic growth of Rhodospirillum rubrum relies on a CO oxidation system encoded by two CO regulated transcriptional units, cooMKLXUH and cooFSCTJ. The key products of the coo regulon are an O2-
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    Because of the lack of active CooA, CO-independent basal level transcription of PcooF is not detectable.
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sensitive CO dehydrogenase (CooS), a CooS-associated Fe-S protein (CooF), and a CO-tolerant hydrogenase (CooH), and the expression of the genes depends upon the activity of the CooA protein, which senses CO under anaerobic conditions.  
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CO-independent basal level transcription of PcooF is not detectable due to the absence of active CooA.
 
  
 
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Revision as of 15:02, 27 October 2010

pCooF Promoter from Rhodospirillum rubrum 

   Rhodospirillum rubrum is able to use CO as an carbon source with its CO-sensing protein called CooA. CooA activates the transcription of genes encoding the CO-oxidation (coo) regulon which produces the proteins needed for the utilization of CO.  CooA binds to a position overlapping the -35 element of the P(cooF) promoter, similar to the arrangement of class II CRP (cAMP receptor protein)- and FNR (fumarate and nitrate reductase activator protein)-dependent promoters when expressed in Escherichia coli.

   The two CO regulated transcriptional units, cooMKLXUH and cooFSCTJ, is responsible for  the CO-dependent anaerobic growth of Rhodospirillum rubrum and enable the bacteria to oxidize CO . The coo regulon has three main products which are listed as O2-sensitive CO dehydrogenase (CooS), CooS-associated Fe-S protein (CooF), CO-tolerant hydrogenase (CooH). CooA is responsible for the expression of the genes of these proteins and activates by sensing CO in anaerobic environments.

   Because of the lack of active CooA, CO-independent basal level transcription of PcooF is not detectable.


Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]
  • 1000
    COMPATIBLE WITH RFC[1000]