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Proc Natl Acad Sci U S A. 2004 Nov 2;101(44):15817-22. Epub 2004 Oct 25.

Integration of reproductive meristem fates by a SEPALLATA-like MADS-box gene.

Author information

1
Institute of Biotechnology, University of Helsinki, P.O. Box 56, FIN-00014 Helsinki, Finland.

Abstract

Reproductive transition, inflorescence architecture, meristem patterning, and floral organ identity have been studied as distinct research areas in plant science. By using the ornamental plant Gerbera, we demonstrate that all of these keystone aspects of reproductive meristematic fate are integrated genetically by a single SEPALLATA-like MADS-box gene from a functional class designated previously as "floral homeotic" or "organ identity." This extended regulatory network has not been elaborated in the model plant systems, which have a floral design and inflorescence-determinacy state that obscures these relationships.

PMID:
15505223
PMCID:
PMC524820
DOI:
10.1073/pnas.0406844101
[Indexed for MEDLINE]
Free PMC Article

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