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Biochemical Genetics

, Volume 15, Issue 5–6, pp 509–519 | Cite as

Genetic control of UDPglucose:flavonol 3-O-glucosyltransferase in the endosperm of maize

  • H. K. Dooner
  • O. E. Nelson
Article

Abstract

The enzyme UDPglucose:flavonol 3-O-glucosyltransferase is shown to be under the coordinate control of three genes involved in anthocyanin biosynthesis in the aleurone of maize: C, R, and Bz. Of the three, Bz appears to be the structural gene. Data presented here (dosage comparisons, induction in the mutant c-p, and effect of paramutation at R) indicate that the enzyme is inducible by substances resulting from the action of the C and R genes and that active forms of C and R are required for this induction. Mechanisms of regulation of the Bz gene by C and R are discussed.

Key words

anthocyanin biosynthesis flavonoid maize pigment genes UDPG flavonol glucosyltransferase 

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Copyright information

© Plenum Publishing Corp. 1977

Authors and Affiliations

  • H. K. Dooner
    • 1
  • O. E. Nelson
    • 1
  1. 1.Department of GeneticsUniversity of WisconsinMadison

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