IGEM:Cambridge/2008/Notebook/Bacillus

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=Testing ''B.subtilis'' promoters and RBSs=
=Testing ''B.subtilis'' promoters and RBSs=

Revision as of 08:40, 5 September 2008


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Creating new Biobrick-compatible B.subtilis vectors

We are using the InFusion PCR method from ClonTech to create new Biobrick-compatible integrative and episomal vectors. These vectors will allow us to insert Biobricks into the Bacillus subtilis genome at the AmyE locus and as a 3-5 copy plasmid that will replicate autonomously in Bacillus.

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Testing B.subtilis promoters and RBSs

We are seeking to test the expression strength and response to inducers in several promoters in B.subtilis, in combination with different Bacillus-specific ribosome binding sites.

B. subtilis Promoter Testing with Beta-galactosidase Assay

We are aiming to characterize four different Bacillus subtilis promoters using the beta-galactosidase assay. (Protocol for beta-galactosidase assay as described here

B. subtilis Promoters to be Tested:

  • Pupp
  • Ppac
  • Pspac
  • Pxyl


Links

B. Subtilis Transformation Protcol - Electroporation

Bongers et al. … of a Subtilin-Regulated Expression System in Bacillus subtilis: Strict Control of Gene Expression …. Applied and Environmental Microbiology (2005)

  • SURE: handy expression system for B. subtilis
  • What about feedback/regulation effects of subtilin on the cell

Expression and characterization of aiiA gene from Bacillus subtilis BS-1.

  • (Some strains of) Bacillus subtilis produces a gene called aiiA that degrades AHL molecules from gram-negative bacteria
  • this is biobricked

Links to Cambridge 2007 Wiki



pBSint1 Vector
pBSint1 Vector
pBSep1 Vector
pBSep1 Vector
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