Article
Paramutation, an allelic interaction, is associated with a stable and heritable reduction of transcription of the maize b regulatory gene.
Genetics - 1 Nov 1993
Patterson G I, Thorpe C J, Chandler V L
Abstract excerpt
The b gene of maize encodes a transcriptional activator of anthocyanin pigment biosynthetic genes. Certain b alleles undergo paramutation: a unidirectional, heritable alteration of one allele caused by the presence of another allele. B-I (intensely pigmented plant) is always changed to B' (weakly pigmented plant) in the B'/B-I heterozygote, such that all progeny receive the B' allele. The "new" B', which was B-I...
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