[DIYbio] Re: Genome editing tools, gene deletion?

Hi!


That looks good, the insert you painted has the neccessary recognition sequence so it will attach to the target and insert.

Basically it would be blunt ended then, right? What if you design your insert like ... No it is not blunt ended because your  top insert N base-pairs with the bottom insert N. 

The cell would surely recognize this as a strand break, and thus DNA ligase would ligate it. So I guess, as long as DNA ligase comes quicker than an exonuclease,   the bacterium will survive. Most probably in the major part of the cells... 




On Sunday, March 24, 2013 5:14:50 AM UTC+1, Koeng wrote:
Hello all!

I was just checking out some stuff about genome editing, but I couldn't really find anything about gene deletion inside a genome. Perhaps using a TALEN, would work is what I was thinking

A system goes like this: (the site it attaches to is also in the NNNNNNNN part)

ATATATAT'NNNNNNNN'GCGCGCGC
TATATATA'NNNNNNNN'CGCGCGCG


Then it is cut

ATAT                   CGCGGCGCGC
TATATATA                      CGCGCG


And I add some DNA

ATAT'N
         N'GCGC

So it ligates

ATATATAT 'N' CGCGCGCG
TATATATA 'N' GCGCGCGC

Or what would the Bacteria do if its genome got cut like this? Die? Any documents for me to read would be helpful, or just your opinion. Thanks!

Koeng

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