Red/White yeast

Preston Garrison garrisonp at UTHSCSA.EDU
Fri Apr 21 05:46:43 EST 1995

>Dear all
>        I have been working with a yeast strain which is red due to an ade2
>mutation. My question is, why does this strain now go white when I
>introduce a mutation which makes it into a petite? Any help would be
>greatly appreciated.
>        Chris Grant
It isn't really known, but mito metabolism is required to develop the 
color. Probably some redox reaction is necessary for the polymer to form. 

Preston Garrison
garrisonp at
Biochem. Dept.
Univ of Texas Health Sci Ctr
San Antonio, Tx 78284-7760 USA

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