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Gene Disruptions

Robin L. Wright wrightr at ZOOLOGY.WASHINGTON.EDU
Fri Nov 4 16:52:39 EST 1994

I am planning a one-step gene disruption strategy, but have few  
choices of restriction sites.  In order to avoid fancier schemes, I  
would like to use polylinker sites to generate the linear fragment  
for transformation.  However, I am concerned that the non-yeast bases  
at the ends of the DNA fragment may interfere with  

Is my worry unfounded?  Has anyone out there had good success with  
gene disruptions using a linear piece of DNA that has 5' and 3'  
"tails" of non-yeast DNA flanking the yeast sequences of interest?   
How much extra sequence can you get away with in these cases and  
still have good recombination at the site of interest?   

Thanks in advance,

Robin Wright

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