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TERMINAL EAR1-like (TEL) genes encode putative RNA-binding proteins only found in land plants. Previous studies suggested that they may regulate tissue and organ initiation in Poaceae. Two TEL genes were identified in both Populus trichocarpa and the hybrid aspen Populus tremula × P. alba, named, respectively, PoptrTEL1-2 and PtaTEL1-2. The analysis of the organisation around the PoptrTEL genes in...
Covalent attachment of the small ubiquitin-like modifier (SUMO) to proteins in eukaryotic cells can regulate an assortment of cellular processes including transcription, and DNA–protein and protein–protein interactions. We identified gene models and found evidence for expression of genes involved in SUMOylation and SUMO deconjugation in Populus. We detected SUMOylated proteins in diverse organ and...
Wood has a wide variety of uses and is arguably the most important renewable raw material. The composition of xylem cell types in wood determines the utility of different types of wood for distinct commercial applications. Using expression profiling and phylogenetic analysis, we identified many xylem-associated regulatory genes that may control the differentiation of cells involved in wood formation...
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