Team:KIT-Kyoto/Notebook-week4p

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Revision as of 10:21, 25 September 2012






September 13th


1-1-50 and 2-2-8 Isolating a single colony of E. coli carrying the candidate pSV1C3-UAS-LacZ or pSB1C3-HS-GAL4
We isolated colonies (one for pSB1C3-UAS-LacZ ,three for pSB1C3-HS-G4L4) and cultured in liquid medium(2.5ml LB Chloramphenicol(+)) at 37℃ for 16 hours. No transformed colony was detected for E. coli carrying the candidate pSB1C3-Act5C-GAL4.

1-2-8 Cut check for the candidate pSB1C3-UAS-LacZ and pSB1C3-UAS-EGFP
The candidate pSB1C3-UAS-LacZ and pSB1C3-UAS-EGFP DNAs (made 9/12) were digested with EcoRⅠ/ SpeⅠ and BglⅡ, respectively.

EcoRⅠand SpeⅠ
 DNA sample  1uL 
 4 buffer(NEB)  0.5uL 
 EcoRⅠ-HF(NEB)  0.2uL 
 SpeⅠ(NEB)  0.2uL 
 100×BSA  0.05uL 
 dH2O  3.25uL 
 Total  5uL 


BglⅡ
 DNA sample  1uL 
 3 buffer(NEB)  0.5uL 
 BglⅡ  0.2uL 
 dH2O  3.3uL 
 Total  5uL 


Then the digested samples were applied to Agarose gel electrophoresis in the order of no cut sample, EcoRⅠ/SpeⅠ-digested sample and BglⅡ-digested sample.

Result of electrophoresis


Results: No insert DNA was detected. Therefore we were not successful for these cloning.

1-1-51, 2-1-37 and 2-2-9. Ligation
Ligation of DNA fragments carrying GAL4 to pSB1C3 DNA was carried out for 2 hours at 16℃ in the reaction described below.

Composition
 pSB1C3 (double digested with BglⅡand SpeⅠ)  1uL 
 GAL4 (double digested with BglⅡand SpeⅠ)  1.5uL 
 dH2O  2.5uL 
 Ligation high  2.5uL 
 Total  7.5uL 


Ligation of DNA fragments carrying G4L4 and DNA fragments carrying HS promoter or Act5c promoter-enhancer to SB1C3 DNA was carried out for 1 hours at 16℃ in the reaction described below.

Composition
 pSB1C3(PCR)(double digested with XbaⅠand SpeⅠ)  2.5uL 
 GAL4(double digested with BglⅡand SpeⅠ)  2.5uL 
 HS or Act5c fragments (double digested with XbaⅠand BamHⅠ)  2uL 
 Ligation high  7uL 
 Total  14uL 


Ligation of DNA fragments carrying EGFP or LacZ to pSB1C3-UAS was carried out for 1 hours at 16℃ in the reaction described below.
 pSB1C3-UAS (double digested with BglⅡand SpeⅠ)  1uL 
 EGFP fragments or LacZ fragments (double digested with BglⅡand SpeⅠ)  2uL 
 dH2O  2uL 
 Ligation high  5uL 
 Total  10uL 


1-1-52, 2-1-38 and 2-2-10 Transformation of E. coli by Ligation products
We did transformation of E. coli Xl-1 blue with each of ligation products. Finally, we spread them on the LB Chloramphenicol(+) plate and cultured at 37℃ for 16 hours.

September 14th


1-1-53 and 2-1-39 Isolating a single colony of E. coli transformed with Ligation products
We picked up three colonies of E. coli carrying the candidate pSB1C3-G4L4, two from the candidate pSB1C3-UAS-EGFP and three from the candidate pSB1C3-UAS-LacZ (made on 9/13), and cultured in 2.5mL LB Chloramphenicol(+) liquid medium at 37℃ for 16 hours.

1-1-54 and 2-2-11 Purification of the candidate pSB1C3-UAS-LacZ and pSB1C3-HS-GAL4 DNA
The pSB1C3-UAS-LacZ DNA and pSB1C3-HS-G4L4 DNA was purified from E. coli (cultivated on 9/12) by QIA prep Spin Miniprep Kit.

1-1-55 and 2-2-12 Cut check of the candidate pSB1C3-UAS-LacZ, pSB1C3-UAS-EGFP, and pSB1C3-HS-GAL4 DNA
These candidate pSB1C3-UAS-EGFP DNA (prepared on 9/12), pSB1C3-UAS-LacZ DNA (prepared on 9/12), pSB1C3-UAS-LacZ DNA (prepared on 9/14) and pSB1C3-HS-G4L4 DNA (prepared on 9/14)

 DNA sample  1uL 
 4 buffer(NEB)  1uL 
 EcoRⅠ-HF(NEB)  0.2uL 
 SpeⅠ(NEB)  0.2uL 
 100×BSA  0.1uL 
 dH2O  7.5uL 
 Total  10uL 


Digested samples were applied to the Agarose gel electrophoresis.
From the left side,
Two pSB1C3-UAS-EGFP DNA isolated from independent colonies (9/12) uncut , digested two pSB1C3-UAS-EGFP DNA (9/12),
pSB1C3-UAS-LacZ DNA (9/12) uncut, digested pSB1C3-UAS-LacZ DNA (9/12)cut,
pSB1C3-UAS-LacZ DNA (9/14) uncut, digested pSB1C3-UAS-LacZ DNA (9/14),
pSB1C3-HS-G4L4 DNA from three independent colonies (9/14) uncut, digested pSB1C3-HS-G4L4 DNA from three independent colonies (9/14)

Results


We found that pSB1C3-UAS-LacZ DNA (9/14) was successfully constructed !. This is the first one we successfully constructed as a Biobrick part.

2-2-13 Ligation
Ligation of DNA fragments carrying G4L4 and those carrying HS promoter or Act5c promoter-enhancer to pSB1C3 DNA was carried out for 2 hours at 16℃ in a reaction described below.
 pSB1C3(PCR) (double digested with XbaⅠand SpeⅠ)  2uL 
 GAL4 (double digested with BglⅡand SpeⅠ)  3uL 
 HS fragments or Act5c fragments (double digested with XbaⅠand BamHⅠ)  1uL(HS) or 2.5uL(Act5c) 
 Ligation high  6uL(HS) or 7.5uL(Act5c) 
 Total  12uL(HS) or 15uL(Act5c) 


2-2-14. Transformation of Ligation products
Ligation products were transformed into E. coli XL-1 blue.

September 15th


1-1-56. Purification of candidate plasmid DNAs
We reproduced The candidate pSB1C3-UAS-LacZ DNA was purified from the three independent colonies, pSB1C3-UAS-EGFP DNA from two independent colonies, pSB1C3-G4L4 DNA from three independent colonies by QIA prep Spin Miniprep Kit.

Cut check of the candidate pSB1C3-UAS-LacZ DNA, pSB1C3-UAS-EGFP DNA and pSB1C3-G4L4 DNA
The candidate pSB1C3-UAS-LacZ DNA from two independent colonies, the candidate pSB1C3-UAS-EGFP DNA from two independent colonies and pSB1C3-G4L4 DNA from three independent colonies were double digested with EcoRI and SpeI.

Composition
 DNA sample  1uL 
 4 buffer(NEB)  1uL 
 EcoRⅠ-HF(NEB)  0.2uL 
 SpeⅠ(NEB)  0.2uL 
 100×BSA  0.1uL 
 dH2O  7.5uL 
 Total  10uL 


The digested samples were applied to Agarose gel electrophoresis. From the left side lane to the right, two digested candidate pSB1C3-UAS-LacZ DNA, two digested candidate pSB1C3-UAS-EGFP DNA, three digested candidate pSB1C3-G4L4 are shown.

Results


We identified the properly constructed pSB1C3-UAS-LacZ DNA, pSB1C3-UAS-EGFP DNA and pSB1C3-G4L4 DNA on the gel ! These are Biobrick parts we successfully constructed.

September 16th


September 17th


1-1-59 Cut check of the Biobrick part DNAs
The pSB1C3-UAS-LacZ DNA, pSB1C3-UAS-EGFP DNA and pSB1C3-G4L4 DNA were purified by QIA prep Spin Miniprep Kit. These DNAs were double digested with EcoRI and SpeI again and the digested samples were applied to Agarose gel electrophoresis.



Results: The correct size of inserts were detected in the double digested samples further confirming that the pSB1C3-UAS-LacZ DNA, pSB1C3-UAS-EGFP DNA and pSB1C3-G4L4 DNA are properly constructed.

1-1-60 Submission of the Biobrick parts
The plasmids pSB1C3-UAS-LacZ, pSB1C3-UAS-EGFP, pSB1C3-G4L4 DNA and the previously prepared pSB1C3-UAS were sent out to the iGEM Headquarter via FedEx.

1-1-61 Preparation of DNA for transfection into cultured Drosophila cells
E. coli carrying pSB1C3-UAS-LacZ and pSB1C3-UAS-EGFP were grown for 16 hours at 37℃.

September 19th


Drosophila S2 cells (2.5 X 105 cells per well) were plated on the 24 well plate and cultured in the Schneider’s Drosophila medium containing 10% fetal bovine serum at 25 ℃.