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The topless plant developmental phenotype explained!

Karen S Osmont and Christian S Hardtke*

Author Affiliations

Department of Plant Molecular Biology, University of Lausanne, Biophore Building, CH-1015 Lausanne, Switzerland

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Genome Biology 2008, 9:219 doi:10.1186/gb-2008-9-4-219

Published: 30 April 2008

Abstract

The molecular-genetic cues that regulate plant embryo pattern formation are the subject of intense scrutiny at present. Recent work in Arabidopsis implicates the TOPLESS protein in auxin-dependent transcriptional repression, highlighting once again the crucial role of auxin signaling during embryogenesis.