Difference between revisions of "Promoters/Catalog/B. subtilis/Positive"

(New page: All the promoters on this page are ''B. subtilis'' promoters that are '''positively regulated''' meaning that increased levels of at least one transcription factor (other than the sigma fa...)
 
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==Positively regulated ''B. subtilis'' &sigma;<sup>A</sup> promoters==
 
==Positively regulated ''B. subtilis'' &sigma;<sup>A</sup> promoters==
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This section lists promoters that are recognized by [[Help:Promoters/Prokaryotic RNAP#E. coli RNA polymerases|''E. coli'' &sigma;<sup>70</sup> RNAP]].  &sigma;<sup>70</sup> is the major ''E. coli'' sigma factor so there should be RNAP present to transcribe these promoters under most growth conditions (although maximally during exponential growth).<br>
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This section lists promoters that are recognized by [[Help:Promoters/Prokaryotic RNAP#E. coli RNA polymerases|''B. subtilis'' &sigma;<sup>A</sup> RNAP]].  &sigma;<sup>A</sup> is the major ''B. subtilis'' sigma factor so there should be RNAP present to transcribe these promoters under most growth conditions (although maximally during exponential growth).<br>
  
 
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==Positively regulated ''B. subtilis'' &sigma;<sup>B</sup> promoters==
 
==Positively regulated ''B. subtilis'' &sigma;<sup>B</sup> promoters==
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This section lists promoters that are recognized by [[Help:Promoters/Prokaryotic RNAP#E. coli RNA polymerases|''E. coli'' &sigma;<sup>S</sup> RNAP]].  &sigma;<sup>S</sup> is the major stationary phase ''E. coli'' sigma factor.  Use these promoters when you want high promoter activity during stationary phase or during starvation.  Since &sigma;<sup>S</sup> promoters have the same consensus promoter sequence as &sigma;<sup>70</sup> promoters, you may find these promoters will be weakly expressed by &sigma;<sup>70</sup> RNAP.<br>
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This section lists promoters that are recognized by [[Help:Promoters/Prokaryotic RNAP#E. coli RNA polymerases|''B. subtilis'' &sigma;<sup>B</sup> RNAP]].  &sigma;<sup>B</sup> is the major stationary phase ''E. coli'' sigma factor.  Use these promoters when you want high promoter activity during stationary phase or during starvation.  <br>
  
 
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Revision as of 17:55, 16 November 2008

All the promoters on this page are B. subtilis promoters that are positively regulated meaning that increased levels of at least one transcription factor (other than the sigma factor) will increase the activity of these promoters.

Positively regulated B. subtilis σA promoters

This section lists promoters that are recognized by B. subtilis σA RNAP. σA is the major B. subtilis sigma factor so there should be RNAP present to transcribe these promoters under most growth conditions (although maximally during exponential growth).

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Positively regulated B. subtilis σB promoters

This section lists promoters that are recognized by B. subtilis σB RNAP. σB is the major stationary phase E. coli sigma factor. Use these promoters when you want high promoter activity during stationary phase or during starvation.

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