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Epigenetic regulation is important for maintaining gene expression patterns in multicellular organisms. The Polycomb Group (PcG) proteins form several complexes with important and deeply conserved epigenetic functions in both the plant and animal kingdoms. The plant Polycomb Repressive Complex 2 (PRC2) contains four core proteins, Enhancer of Zeste (E(z)), Suppressor of Zeste 12 (Su(z)12), Extra Sex...
Aquilegia is an emerging model organism that is phylogenetically intermediate between the core eudicot and monocot models, Arabidopsis and Oryza. In this study, we have used a comparative genomics approach to identify 45 Aquilegia microRNAs that comprise 20 separate plant microRNA families. We have predicted 84 targets of these newly identified Aquilegia microRNAs including transcription factors and...
The genomic approach to understanding how evolution has generated the extraordinary diversity of flowers is to assemble a floral EST database for several missing-link taxa and then use gene phylogenies and expression data to identify genes that are important in flower evolution. However, such a genomic approach is likely to miss important genes that are not members of gene families that control flower...
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