Mechanism I
From 2007.igem.org
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[[Image:TJU_TEAM2_MIFiguer1.jpg|thumb|400px|center|'''Figure1 plasmid puc18-ADH1 p+t''']] | [[Image:TJU_TEAM2_MIFiguer1.jpg|thumb|400px|center|'''Figure1 plasmid puc18-ADH1 p+t''']] | ||
| + | [[Image:TJU_TEAM2_MIFiguer2.jpg|thumb|400px|center|'''Figure2 plasmid Yeplac195''']] | ||
Revision as of 09:55, 5 August 2007
We propose to link the riboflavin operon of Bacillus subtilis to plasmid puc18-ADH1 p+t(figure1). ADH1p(560bp) is a strong promoter of Yeast and ADH1t is the terminater corresponding to this promoter. The initial carrier of puc18-ADH1 p+t is PUC18. The construction of this plamid is:
- Digest ADH1p with XbaI and BAMHI and link it to the relevant site of PUB18;
- Digest ADH1t with KpnI and SacI and link it to the relevant site of PUC18.
Our main work is :
- Design the primer and amplify the riboflavin operon of bacillus subtilis. The restriction site of up- and down-primer are SmaI(Cfr9I) and KpnI, respectively.
- Digest the PCR product with SmaI(Cfr9I) and KpnI, and then link it to plasmid puc18-ADH1 p+t.
- Digest the linked ADH1p+rib operon+ADH1t(5kb) fragment with XbaI and EcoRI, and link it to plasmid Yeplac195(figure2)
- Trandfer the constructed Yeplac195 into Yeast
- Test the expression of riboflavin operon of Bacillus subtilis in Yeast and the yield of accumulated riboflavin.
