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Synchronising yeast cells

Dr. group at mendel.berkeley.edu
Thu Oct 24 16:29:30 EST 1996

Dear Karthi,

A-factor is pretty hydrophobic and not very soluble. Therefore alpha
factor is used for synchronization instead.

I usually use 1mg/l final conc. of alpha factor.  If you use bar- strains,
you can even go further down with the alpha factor conc. The stock is
1000x conc. in 70 % MeOH and stored at -20C.
Early log pahase cells are incubated with alpha factor for 2-3 h, til >90%
of the cells show a shmoo.  Remove the alpha factor with 2 quick washes
and resuspend in fresh medium.

Hope this helps!


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