Revision as of 07:55, 22 August 2012 by Sato (Talk | contribs)


August 2

Mutation of FT by Sato
FT gene has two BioBrick restriction enzyme sites, EcoR1 and Pst1 which is next to each other.
So we tried to delete both at once by using two primers with mutation.

Inverse PCR
10xBufer2mM dNTPsprimer fwdprimer revtemplatepolymeraseMilliQTotal

94°C 2min, (98°C 10sec, 68°C 4min)x4cycles, 4°C Hold

Dpn1 Digestion
PCR productDpn1
37°C,1h incubate
productMilliQLigaseT4 KinaseTotal

16°C, 1h incubate

competent cellDNA

Cells were stored on ice for 30min.
After 42°C 60sec heat shock, cells were stored on ice for 2min.
Then cells were precultureed at 37°C for 1hr, plated to Kanamycin plate.

August 13

Liquid culture of FT 37°C, overnight

August 14

Miniprep of FT : by Sato, Takeuchi
The concentrarion was 81.5ng/uL
Restriction digestion and Electrophoresis : by Sato
To check wheter mutation was succeed, we did restriction enzyme digestion.


37°C 2h incubate
We did electrophoresis of three FT plasmids, non-cutted, EcoR1 cutted, Pst1 cutted.
However, we couldn't get any bands (data not shown.)

Liquid culture of FT (4mL)

August 15

Miniprep of FT : by Sato, Takeuchi, Hyungcheol
We couldn't get enough concentration of plasmids.
Electrophoresis : by Sato
We retried electrophoresis of three samples same as yesterday.
However, we couldn't get any bands as well.

August 16


by Takeuchi, Ota

NameWellSampleCompetent CellsTotalPlateColony
FT-1 µL1011LB (Kan+)×
pSB1C31-3-A11011LB (CP+)
I7190051-15-N11011LB (Amp+)

August 10

Golden Gate Assembly method This method helps us to constract some genes quickly and we can design the order of constractions. We are trying to construct a gene cycle composed of 6 genes( pSB1A3, lacI, GFP, RFP, GFP, DT). After this experiment is confirmed to work, we will so some experiment to check how the numbers of promorters influences the strength of transcription.

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