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BACKGROUND After several years in the juvenile phase, trees undergo flowering transition to become mature (florally competent) trees. This transition depends on the balanced expression of a complex network of genes that is regulated by both endogenous and environmental factors. However, relatively little is known about the molecular processes regulating(More)
MicroRNAs (miRNAs) are a new class of small, endogenous RNAs that play a regulatory role in various biological and metabolic processes by negatively affecting gene expression at the post-transcriptional level. While the number of known Arabidopsis and rice miRNAs is continuously increasing, information regarding miRNAs from woody plants such as citrus(More)
Citrus shoot tips abscise at an anatomically distinct abscission zone (AZ) that separates the top part of the shoots into basal and apical portions (citrus self-pruning). Cell separation occurs only at the AZ, which suggests its cells have distinctive molecular regulation. Although several studies have looked into the morphological aspects of self-pruning(More)
The transition to flowering is a major developmental switch in flowering plants. The nuclear RNA-binding protein FCA responds to seasonal signals and abscisic acid (ABA), which can control the flowering time via ambient temperature and autonomous pathways. Citrus FCA ortholog (PtFCA) has been isolated and characterized from precocious trifoliate orange(More)
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