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Restriction Analysis of pDRK and pGRN Original Plasmids. ara C. H. i. n. d. I. I. I. amp r. P BAD. gfp. p. D. R. K. p. G. R. N. H. i. n. d. I. I. I. H. i. n. d. I. I. I. kan r.
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Restriction Analysis of pDRK and pGRNOriginal Plasmids ara C H i n d I I I ampr PBAD gfp p D R K p G R N H i n d I I I H i n d I I I kanr
Restriction Analysis of pDRK and pGRNRestriction Fragments after digest with HindIII kanr ara C PBAD ampr gfp
T T C G A A T C G A gfp A A G C T A G C T T DNA ligase DNA ligase Ligation of pDRK/pGRN Restriction Fragments
ara C ampr r p G L O PBAD HindIII gfp HindIII Ligation of pDRK/pGRN Restriction FragmentsRecombinant Plasmid of Interest
Lipid bilayer Lipid bilayer outer membrane inner membrane adhesion zone - - - - - - - - Peptidoglycan layer - - - - phospholipids calcium ion ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ - - - Preparing Competent Cells for Transformation
Lipid bilayer Lipid bilayer inner membrane outer membrane - - - - - - - - - - - - ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ - - - - Transforming Escherichia coli With a Recombinant Plasmid adhesion zone Peptidoglycan layer phospholipids calcium ion plasmid
C protein ara C gene gfp gene transcription promoter mRNA translation GFP Expression
GFP Expression ara C gene gfp gene promoter C protein prevents gfp transcription by causing a loop to form in the region of the gfp gene
arabinose RNA polymerase C protein arabinose – C protein complex transcription mRNA translation ara C gene gfp gene GFP promoter GFP Expression Arabinose – C protein complex prevents DNA looping and helps to align RNA polymerase on the promoter site.
Transforming Escherichia coli With a Recombinant Plasmid Recombinant plasmids transformed cells Competent cells
Growth of transformed bacteria on various plates P+ plates LB LB/amp LB/amp/ara P- plates No growth LB LB/amp
ara C ampr r p G L O PBAD HindIII gfp HindIII Ligation of pDRK/pGRN Restriction FragmentsRecombinant Plasmid of Interest