MacConkey instead of XGAL ?

[kang at msvax.mssm.edu]

the color of the Mconky is unstable as far as I remember.


bIn article <gshearer-2803971614000001 at 131.95.113.28>, gshearer at whale.st.usm.edu (Glen Shearer) writes:
>Since MacConkey plates can distinguish lac+ from lac- colonies,
>why not use MacConkey + amp plates for blue/white (in this case red/white)
>selection?
>
>Anybody try this?
>
>Glen