Team:Hawaii/Notebook/2008-08-12

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Things we did today

Wetlab work

Test of lab's RE (cont.)

Grace
EtBr stained 1.2% agarose gel ran at 72V for 1.5 hours. Thirty microliters of RE digest reaction were loaded into each well.
  • Ran RE digests from yesterday on a 1.2% agarose gel
  • BamHI and HindIII digested DNA not visualized. Too little DNA added?
  • NotI works. All plasmid preps except I14032 resulted in 2 bands of the correct size.
  • Note: There is genomic DNA in all preps (band that looks like fire up top)

Verified transformants

Grace
EtBr stained 2% agarose gel ran at 95V for 1 hour. Five microliters of PCR reaction were loaded into each well.
Construct Colony forming units
GFP+B0015(tt) 1
GFPf+B0015(tt) 52
slr1+GFPf 56
pilA+GFPf 43
  • Colony PCR of transformants to check for correct insert
  • GFP+tt = unsuccessful
  • GFPf+tt colonies 1, 3, 5 good
  • slr1+GFPf colony 5 potentially good
  • pilA+GFPf colonies 1, 2, 3, 4 potentially good
  • Ligated slr, pilA with GFPf (ES digested) instead of GFPf (XP digested). Still got colonies, some which are potentially good. Hm...
  • Restreaked:
  • GFPf+tt colony 5
  • slr1+GFPf colony 5
  • pilA+GFPf colonies 1 and 4
  • Will colony PCR again tomorrow to prep for sequencing

3A assembly

Grace
  • Ligated p+r with g or s onto pSB1A2
  • pnir+rbs with GFP, slr1, pilA
  • plac+rbs with GFP, slr, pilA
  • Transformed into DH5α

Rear ligation of signal sequences and GFPf

Grace
  • Ligated slr and pilA with XbaI and PstI digested GFPf
  • Transformed into DH5&alpha using 5 μl ligation reaction

Drylab Work

Name of Task

name of person/people who performed the task
  • Summary of task and what was done. Link to experiment for detailed notes if necessary.
  • e.g. read through papers, worked on proposal, etc.


Discussion

Quote of the Day

History is the only laboratory we have in which to test the consequences of thought. - Étienne Gilson


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