View source for Promoters/Catalog/B. subtilis/Constitutive

[[Image:ConstitutivePromoter.png|right|200px]]
The promoters here are ''B. subtilis'' promoters that are '''constitutive''' meaning that the activity of these promoters should only be regulated by the levels of RNA polymerase and the appropriate &sigma; factor.
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===Constitutive ''B. subtilis'' &sigma;<sup>A</sup> promoters===
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>

<parttable>promoter_subtilis_constitutive_sigmaA</parttable>

===Constitutive ''B. subtilis'' &sigma;<sup>B</sup> promoters===
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>

<parttable>promoter_subtilis_constitutive_sigmaB</parttable>

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