Team:Freiburg Cloning Strategy

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Revision as of 09:54, 28 October 2008


Freiburg2008 small header.gif



Home

The Team

Project Report

Parts

Modeling

Notebook

Safety

CoLABoration
_cloning strategy




Freiburg2008 TV CMVRluc.jpg
Figure 1 . A shows the Biobrick part BBa_J52017. The transfectionvektor for eukaryotic cell systems has an ampicillin- and a kanamycin resistance cassette. The multiple cloning site contains the Biobrick standard restriction sites EcoRI, NotI, XbaI, SpeI, NotI, PstI followed by an eukaryotic terminator sequence. B The CMV-promotor fragment was obtained by PCR with the Biobrick BBa-J52038 template. C The PCR product was cloned into the transfectionvector by EcoRI and PstI to get a final eukaryotic transfection-system. D To test the efficiency of expression a gene-fragment coding for the yellow fluorescent protein was put into the vector behind CMV-Promotor.

Freiburg2008 Konstrukte.jpg
Figure 2 . A figure 2 A gives an overview about the cloning constructs. The N-terminal signal-peptide ensures protein transport to the cytoplasmamembrane. Lipocalin and the scFv-anti-NIP are the extracytoplasmatic parts of the construct to mediate signaltransduction into the cell. The GGGS-Linker keeps a distance to the transmembraneregion to overcome surface structures of the cell and to avoid a total inflexibility. Split fluorophor linker is only necessary for the C-terminal Split parts of Cerulean-CFP and Split-Venus-YFP. The Split enzymes β-Lactamase and Luciferase and the split-fluorophors CFP and YFP are the cytoplasmatic parts of the constructs. If there is a clustering of this synthetic receptor-system caused by the corresponding binding parts of Lipocalin and scFv-anti-NIP the split parts come together to create a functional protein, which allows a detection. B The different constructions described in figure 2.A were cloned into the transfectionvector system by using the restriction sites XbaI and PstI to ensure a functional ATG-start codon which is part of the XbaI recognition-sequence in the iGEM-prefix



Step 1

Vector

digestion: EcoRI + PstI

Insert

digestion: EcoRI + PstI

 

BBa-J52017

_CMV-promotor

Step 2

Vector

digestion: AgeI+SpeI

Insert

digestion: NgoMIV+SpeI

 

pMA-BBFR _ SPLIT-Linker

 

C-YFP

 

C-CFP

Step 3

Vector

digestion: AgeI+SpeI

Insert

digestion: NgoMIV+SpeI

 

pMA-BBFR _egfR-Tm

 

_  N-β-Lactamase

 

_  C-β-Lactamase

 

_ SPLIT-Linker_ C-YFP

 

_ N-YFP

 

_ SPLIT-Linker_ C-CFP

 

_ N-CFP

 

_ BB058 (Luciferase)

 

_ BB057  (Luciferase)

Step 4

Vector

digestion: AgeI+SpeI

Insert

digestion: NgoMIV+SpeI

 

pMA-BBFR _SP

 

_scFv-anti-NIP

 

_ Lipocalin

Step 5

Vector

digestion: AgeI+SpeI

Insert

digestion: NgoMIV+SpeI

 

pMA-BBFR _SP_ scFv-anti-NIP

and

pMA-BBFR-+SP_ Lipocalin

_GGGS-linker (produced by Klenow fill in)

Step 6

Vector

digestion: AgeI+SpeI

Insert

digestion: NgoMIV+SpeI

 

pMA-BBFR _SP_ scFv-anti-NIP _ GGGS-Li

and

pMA-BBFR _ SP_ Lipocalin _

GGGS-Li

_ egfR-Tm _  N-β-Lactamase

 

_ egfR-Tm _  C-β-Lactamase

 

_ egfR-Tm _ SPLIT-Linker_ C-YFP

 

_ egfR-Tm _ N-YFP

 

_ egfR-Tm _ SPLIT-Linker_ C-CFP

 

_ egfR-Tm _ N-CFP

 

_ egfR-Tm _ BB058 (Luciferase)

 

_ egfR-Tm _ BB057  (Luciferase)

Step 7

Vector

digestion: SpeI + PstI

Insert

  digestion: XbaI + PstI

 

BBa-J52017_CMV

 

_SP_ scFv-anti-NIP_GGGS-Li_egfR-Tm_N-β-Lactamase

 

_ SP_ scFv-anti-NI _GGGS-Li_ egfR-Tm_C-β-Lactamase

 

_ SP_ scFv-anti-NIP_GGGS-Li_ egfR-Tm_SPLIT-Linker_C-YFP

 

_ SP_ scFv-anti-NIP_GGGS-Li_ egfR-Tm_N-YFP

 

_ SP_ scFv-anti-NIP_GGGS-Li_ egfR-Tm_SPLIT-Linker_C-CFP

 

_ SP_ scFv-anti-NIP_GGGS-Li_ egfR-Tm_N-CFP

 

_ SP_ scFv-anti-NIP_GGGS-Li _ egfR-Tm_BB058 (Luciferase)

 

_ SP_ scFv-anti-NIP_GGGS-Li _ egfR-Tm_BB057  (Luciferase)

 

_ SP_ Lipocalin _GGGS-Li_ egfR-Tm_N-β-Lactamase

 

_ SP_ Lipocalin _GGGS-Li_ egfR-Tm_C-β-Lactamase

 

_ SP_ Lipocalin _GGGS-Li_ egfR-Tm_SPLIT-Linker_ C-YFP

 

_ SP_ Lipocalin _GGGS-Li_ egfR-Tm_N-YFP

 

_ SP_ Lipocalin _GGGS-Li_ egfR-Tm_SPLIT-Linker_ C-CFP

 

_ SP_ Lipocalin _GGGS-Li_ egfR-Tm_N-CFP

 

_ SP_ Lipocalin _GGGS-Li__ egfR-Tm _ BB058 (Luciferase)

 

_ SP_ Lipocalin _GGGS-Li__ egfR-Tm _ BB057  (Luciferase)



Freiburg2008 Lipo+bla1+YFP.jpg
Freiburg2008 Lipo+Split CFP.jpg Freiburg2008 Lipo+Split YFP.jpg
Freiburg2008 SP LIPO GGGS TM bla1 YFP 1.jpg
Freiburg2008 SP LIPO GGGS TM bla1 YFP 2.jpg
Freiburg2008 TV CMV YFP CFP loeslich.jpg

Freiburg08 FT3.png

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