IDENTIFICATION OF AN R-LOCUS REGION THAT CONTROLS THE TISSUE SPECIFICITY OF ANTHOCYANIN FORMATION IN MAIZE | Zendy

Hugo K. Dooner | Zendy

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IDENTIFICATION OF AN R-LOCUS REGION THAT CONTROLS THE TISSUE SPECIFICITY OF ANTHOCYANIN FORMATION IN MAIZE

Author(s) -

Hugo K. Dooner

Publication year - 1979

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/93.3.703

Subject(s) - biology , locus (genetics) , genetics , allele , anthocyanin , gene , botany

The R locus in maize controls the tissue specificity of anthocyanin formation. Recombination between two different R-locus alleles with unique pigmentation domains has resulted in the generation of a nonparental allelic type that displays a third kind of tissue specificity. These novel changes in tissue specificity occurred in very low frequency (1 x 10-5). In light of this finding and of recent results concerning the regulation by R of the enzyme UDPG: flavonoid 3-O-glucosyltransferase, specified by the Bz locus, a model dealing with the genetic control of tissue-specific functions in multicellular organisms is proposed.

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