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Trends Plant Sci. 2002 Jan;7(1):22-31; dicussion 31-4.

Missing links: the genetic architecture of flowers [correction of flower] and floral diversification.

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Dept Botany and Genetics Institute, University of Florida, Gainesville, FL 32611, USA.

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  • Trends Plant Sci 2002 Feb;7(2):95.


To understand the genetic architecture of floral development, including the origin and subsequent diversification of the flower, data are needed not only for a few model organisms but also for gymnosperms, basal angiosperm lineages and early-diverging eudicots. We must link what is known about derived model plants such as Arabidopsis, snapdragon and maize with other angiosperms. To this end, we suggest a massive evolutionary genomics effort focused on the identification and expression patterns of floral genes and elucidation of their expression patterns in 'missing-link' taxa differing in the arrangement, number and organization of floral parts.

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