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Abstract Detail


Evolution of Flower Development: from Phenotypes to Genes

Di Stilio, Verónica S. [1].

Evolution of Flower Development: From Phenotypes to Genes.

This symposium will highlight the genetic and developmental basis of flower diversification. To that end, it brings together researchers working at the intersection between morphology, development, evolution and molecular and cellular biology. The speakers will be discussing key regulators of flower development and their role in phenotypic diversification for adaptive traits such as floral symmetry, epidermal cell differentiation, types of perianth organs and inflorescence features. Most of these regulators of development are transcription factors belonging to large families, such as the MADs box, MYB and TCP families. They are presented in the context of how changes in their expression and functional patterns have contributed to phenotypic diversification, particularly after gene duplication. Examples are drawn from taxa spanning the angiosperm phylogeny: eudicot, monocots and early-divergent angiosperm. The common thread throughout this symposium is the evolution of development approach, which combines a phylogenetic framework with the analysis of genes underpinning floral diversity.


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1 - University of Washington, Department of Biology, Box 351800, Seattle, WA, 98195-1800, USA

Keywords:
evo devo
flowers
MADS box
MYB
TCP.

Presentation Type: Symposium or Colloquium Presentation
Session: SY17
Location: Stevens 4/Hilton
Date: Wednesday, July 11th, 2007
Time: 8:30 AM
Number: SY17SUM
Abstract ID:2272


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