Quick Change - Biology Forum

last updated by

canalon 19 years, 3 months ago

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- September 26, 2005 at 1:48 am #1981
  Charan
  Participant
  Hi,
  I am having issues with Quick change mutagenesis. 🙁 🙁
  I am trying to intrduce a single base change in a gene cloned into a plasmid (5Kb). My oligos are 37 bp long with 18 bp homology on either side.
  I am following the protocol as per the manual but only variation is that
  a) My oligos are not PAGE purified
  b) I donot use the super competent cells for transformation. I make my own(chemically competent).
  At the end of it I get NO colonies.:shock: 😯 😯
  Is my reaction not working or my transformation?????????/
  In either case what would you recomend???????/
  PL. chip in with idea(s). Any suggession(s) wil be appreciated.
- September 26, 2005 at 2:09 pm #29988
  canalon
  Participant
  At least you should have a transformation control, is it working? If not The problem is coming from your cells, if it does, from your mutagenesis, but I am not familiar with thi sprotocol, so I can’t help…
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