YPD medium lacking uracil

Guillaume Stahl stahl at infobiogen.fr
Tue Apr 22 13:33:15 EST 1997


> Bytheway I have a question. Does casamino acid have no uracil? If so,
> I hope somebody could inform me a reference or the reason.

Hi, the reason why casa does not contain any Ura, nor Ade is :
casa-amino acids is the result of hydrolisis of milk casein (which is a 
protein and doesn't contain bases of course...).
Trp, Gln and Asn are absent too, because they are degraded by the 
process used for hydrolisis.

Guillaume Stahl, France



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