In this work, the color mutations of seven red clones of famous grapevine varieties
from the German-speaking area were identified by analyzing the transcription factor
genes located at the berry color locus (Chr 2, ~14,2 Mb) VvmybA1, VvmybA2 and
VvmybA3. Furthermore, the molecular origin of the teinturier grapes could be identified and the
effects of the mutation on the phenotype were evaluated.