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Team:Nevada/Notebook
From 2009.igem.org
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June 8, 2009 to June 15, 2009
Janice/Leigh:
- Made LB agar plates and liquid LB with tetracycline.
- Made tetracycline stock solution (5mg/ml).
Chris/Joey:
Tony/Nick:
June 16, 2009 to June 23, 2009
Janice/Leigh:
- Made LB liquid media and performed QIAGEN Plasmid Maxi Preps for
- BBa_B0014 in pSB1AK3 (double terminator)
- BBA_B0034 in pSB1A3 (ribosome binding site)
- BBA_R0011 in pSB1A3 (lac I promoter)
- BBa_I0500 in pSB2K3 (pBAD/Arac promoter).
- Made glycerol stocks for 1) to 4).
- Minipreps were done on the following Arabidopsis genes:
- cinnamoyl-CoA reductase (CCR2)
- cinnamoyl-CoA reductase (CCR1)
- phenylalanine-ammonia lyase
- 4-coumarate:CoA ligase 1
- 4-coumarate:CoA ligase 2
- Digestions:
- Cinnamoyl-CoA reductase (CCR2) was digested with HindIII and SalI.
- Cinnamoyl-CoA reductase (CCR1) was digested with EcorI and HindIII.
- Phenylalanine-ammonia lyase was digested with EcoRI and SacI.
- 4-coumarate:CoA ligase 1 was digested with HindIII.
- 4-coumarate:CoA ligase 2 was digested with EcoRI and HindIII.
Chris/Joey:
Tony/Nick:
Sheena:
June 24, 2009 to June 30, 2009
Janice/Leigh:
- BBa_J04450 in plasmid pSB1AT3 (RFP), BBa_J04450 in plasmid pSB1AT3 (ccdB), BBa_I52001 in plasmid pSB3T5 (ccdb), BBa_J04450 in plasmid pSB3T5 (RFP) were transformed into NEB10 chemically competent cells. These are the tetracycline resistant plasmid backbones.
- Cultures were grown and DNA was extracted for the plasmid backbones described above.
Chris/Joey:
Tony/Nick:
July 1, 2009 to July 7, 2009
Janice/Leigh:
- The Arabidopsis genes were digested and were analyzed by gel electrophoresis.
- The double terminator, ribosome binding site, lac I promoter, pBAD promoter, and two tetracycline resistant plasmid backbones were restriction digested and ran on an agarose gel.
Chris/Joey:
Tony/Nick:
July 8, 2009 to July 15, 2009
Janice/Leigh:
- Performed the 3-way ligation for the lac I promoter (upstream part), ribosome binding site (RBS) (downstream part), and the destination plasmid (BBa_I52001 in pSB3C5; chloramphenicol resistance).
- Digestion: lac I promoter was digested with EcoRI and SpeI; RBS was digested with XbaI and PstI; destination plasmid was digested with EcoRI and PstI. All were digested at 37ºC for one hour and the restriction enzymes were deactivated at 80ºC for 20 minutes.
- Ligation: The lac I promoter, RBS, and the destination plasmid (BBa_I52001 in pSB3C5) were ligated and incubated for one hour.
- The 3-way ligation was transformed into NEB10 competent cells.
- 20 μl of the 3-way ligation described above were added to 100 μl of NEB10 competent cells.
- Chloramphenicol was spread onto the LB plates to a final concentration of 25 μg/ml.
- 10, 100, and 160 μl of the transformation were added to 3 LB plates.
- 80 colonies of the 3-way ligation were screened on Amp and Chloramphenicol plates, resulting with 6 colonies that grew only on Chloramphenicol.
Chris/Joey:
Tony/Nick:
July 16, 2009 to July, 23 2009
Janice/Leigh:
- Screening of the 3-way ligation (lac promoter/RBS/backbone) colonies
- Six selected colonies were cultured in LB-Chloramphenicol (25μg/ml)
- The DNA was collected using a QIAGEN miniprep kit and concentration was determined by the Nanodrop.
- All six colonies were digested with EcoRI to linearize, expecting a fragment length of 2.7kb.
- Digests were run on a 1% agarose gel along with uncut DNA. Five of the six colonies resulted in the correct band length.
- 3-way ligation of RBS (BBa_R0011), pBAD promoter (BBa_I0500), and Chloramphenicol backbone (pSB3C5)
- The upstream part, pBAD promoter, was digested with EcoRI and SpeI
- The downstream part, RBS, was digested with XbaI and PstI
- The Chloramphenicol bakcbone was digested with EcoRI and PstI
- All digests were incubated for one hour at 37C followed by a 20 minute deactivation step at 80C
- 4μl of each of the three digests were used in a final 20μl ligation reaction with a one hour incubation at root temperature, followed by a 20 minute deactivation step at 80C
- The ligation was transformed into NEB10 cells and volumes of 10, 50, 100μl, and the rest was spread on LB plates containing Chloramphenicol (25μg/ml)
- The plates were incubated overnight at 37C
Chris/Joey:
Tony/Nick:
July 24, 2009 to July 31, 2009
Janice/Leigh:
- Screening of the 3-way ligation (pBAD promoter/RBS/backbone) colonies
- 7 colonies were selected and cultured in 3ml of LB-Chloramphenicol (25μg/ml)
- Each colony was digested with PstI to linearize and a double digest of PstI/EcoRI to cut out the pBAD promoter(1.2kb)
- The digests were run on a 1% agarose gel, none of which resulted with the expected fragments lengths.
- Sequencing Results of the 3-way ligation (lac promoter/RBS/backbone)
- Two colonies which resulted with the correct fragment length from the restriction digests were sent to be sequenced to the Nevada Genomics Center using the Biobrick primers VF2 and VR. 500ng of each of the colonies was used for each of the sequencing reactions
Chris/Joey:
Tony/Nick:
August 1, 2009 to August 8, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
August 9, 2009 to August 16, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
August 17, 2009 to August 24, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
August 25, 2009 to September 1, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
September 2, 2009 to September 9, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
September 10, 2009 to September 17, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
September 18, 2009 to September 25, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
September 26, 2009 to October 3, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
October 4, 2009 to October 11, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
October 12, 2009 to October 19, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
October 20, 2009 to October 27, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
October 28, 2009 to November 4, 2009
Janice/Leigh:
Chris/Joey:
Tony/Nick:
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