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LacI BioBrick Construction

Aims

• To use PCR to extract lacI (promoter, ribosome-binding site (RBS) & coding sequence (CDS)) from plasmid pMutin4 and ligate into vector pSB1AT3 in front of red fluorescent protein (RFP).
• The aim of today's experiment is to screen for the lacI insert. The experiments that were carried out yesterday are being repeated today as there were extra, unexpected bandings.

Protocol

1. Miniprep - the miniprep protocol was followed.
2. Restriction digests - the restriction digests protocol was followed to allow the length of the DNA to be checked using single and double digest.
   • Single digest with Pst1
   • double digests with Pst1 and Xba1
3. Gel electrophoresis - the gel electrophoresis protocol was followed.

Set up liquid broth culture in 5 ml of LB - 1 colony from colonies 1-7