MET or TYR markers

Eric Foss efoss at
Wed Oct 13 17:09:28 EST 1993

I have used up all of the common yeast markers in building a strain, and I
need one more.  Could someone send me a methionine or tyrosine biosynthetic
gene?  I want to knock out the normal copy in two steps (using URA3) and
then integrate the gene somewhere else in the genome.  Mutations of the
gene should have no pleiotropic effects.  Thank you in advance.  
Eric Foss
Institute of Molecular Biology
University of Oregon
Eugene, Oregon 97403
Tel.:  (503) 346-5146
FAX:  (503) 346-5891
e-mail:  efoss at

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