Samantha Liang Notebook2

From 2007.igem.org

Revision as of 19:22, 20 July 2007 by Samanthaliang (Talk | contribs)

My Construction Files
My Sequencing Files
My Biobricks
My -80 Stocks


First Notebook (June - July 19, 2007



For tomorrow:

Samanthaliang 15:17, 20 July 2007 (EDT)

Things to read about:

  • Does barnase have DNase activity? Haven't really found anything saying that it has DNase activity yet, but it is a ribonuclease that destroys all the RNA and targets the ribosome, which in turn, stops DNA synthesis such that those bacteria should no longer be able to replicate and grow.
  • Is there a way to do dapi (pronounced dap-E) measurements for e.coli? dapI binds to DNA, wonder if can use a cytometer or something? Do a dapi stain? YES! Can do a dapi stain in e.coli and then do measurements with a flow cytometer.
  • Make sure that we're not just making a toxic protein or that Cre itself is toxic or something like that.


So I'm having a lot of trouble isolating the plasmid of 411B. The plate that I got from streaking a 96 well culture has really sickly single colonies that are super tiny. I can't get any of the colonies that I pick to grow in liquid media even when I add glucose. It also didn't grow after being streaked onto another plate. It seems like that in order to try to isolate a plasmid and sequence it, I'm going to have to take a swab of the plate in a dense area and miniprep that (put it in p1 buffer directly) then I'm going to have to sequence off of a PCR product.


  • Miniprep 408C, 408E, and 411B
  • Sequence 408C, 408E, and 411B
  • Make -80s of 408C, 408E, and 411B
  • Pool I716430 through I716435
  • Look at spotted plates