The petunia homologue of the Antirrhinum majus candi and Zea mays A2 flavonoid genes; homology to flavanone 3-hydroxylase and ethylene-forming enzyme

David Weiss*, Arnold H. van der Luit, Johan T.M. Kroon, Joseph N.M. Mol, Jan M. Kooter

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

The synthesis of anthocyanins in higher plants involves many enzymatic steps. Here we describe the isolation and characterization of a cDNA, ant17, which encodes a protein that has 73% amino acid sequence identity with the candi gene product of Antirrhinum majus and 48% with that of the maize a2 gene. This protein may therefore be involved in the synthesis of anthocyanins in the steps after the action of dihydroflavonol 4-reductase. This is consistent with the absence of ant17 expression in the regulatory anthocyanin mutants of petunia an1, an2 and an11. Furthermore, ant17 is predominantly expressed in corollas and anthers and is induced by gibberellic acid.

Original languageAmerican English
Pages (from-to)893-897
Number of pages5
JournalPlant Molecular Biology
Volume22
Issue number5
DOIs
StatePublished - Aug 1993
Externally publishedYes

Keywords

  • A2
  • Petunia hybrida
  • anthocyanin
  • candi
  • flavonoid pathway
  • flower pigmentation

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