The 1991 review by Coen and Meyerowitz on the war of the whorls and the ABC model of floral organ identity

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Abstract

The 1991 review paper by Coen and Meyerowitz on the control of floral organ development set out the evidence available at that time, which led to the now famous ABC model of floral organ identity control. The authors summarised the genetic and molecular analyses that had been carried out in a relatively short time by several laboratories, mainly in Arabidopsis thaliana and Antirrhinum majus. The work was a successful example of how systematic genetic and molecular analysis can decipher the mechanism that controls a developmental process in plants. The ABC model is a combinatorial model in which each floral whorl acquires its identity through a unique combination of floral homeotic gene activities. The review also highlights the similarities in the regulation of floral organ identity between evolutionarily distant plant species, emphasising the general relevance of the model and paving the way for comprehensive studies of the evolution of floral diversity.

Original languageEnglish
Article numbere13
JournalQuantitative Plant Biology
Volume4
DOIs
StatePublished - 23 Oct 2023

Keywords

  • Antirrhinum
  • Arabidopsis
  • MADS box
  • evo-devo
  • floral development
  • floral homeotics

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