(), also known as the Russian dandelion, is a recognized alternative source of natural rubber quite comparable, for quality and use, to the one obtained from the so-called rubber tree, . In addition to that, roots produce several other compounds, including inulin, whose use in pharmaceutical and dietary products is quite extensive. Histone-modifying genes (HMGs) catalyze a series of post-translational modifications that affect chromatin organization and conformation, which, in turn, regulate many downstream processes, including gene expression.
View Article and Find Full Text PDFFlavonoids are essential compounds widespread in plants and exert many functions such as defence, definition of organ colour and protection against stresses. In , flavonoid biosynthesis and accumulation is finely regulated in terms of tissue specificity and induction by external factors, such as cold and other stresses. Among flavonoids, anthocyanin precursors are synthesised in the cytoplasm, transported to the tonoplast, then imported into the vacuole for further modifications and storage.
View Article and Find Full Text PDFHistone methylation and acetylation are key processes in the epigenetic regulation of plant growth, development, and responses to environmental stimuli. The genes encoding for the enzymes that are responsible for these chromatin post-translational modifications, referred to as histone modification genes (HMGs), have been poorly investigated in species, despite their importance for establishment and activity of nitrogen-fixing nodules. In silico analysis of HMGs identified 81 histone methyltransferases, 46 histone demethylases, 64 histone acetyltransferases, and 15 histone deacetylases.
View Article and Find Full Text PDFBackground: Taraxacum kok-saghyz R. (Tks) is a promising alternative species to Hevea brasiliensis for production of high quality natural rubber (NR). A comparative transcriptome analysis of plants with differential production of NR will contribute to elucidate which genes are involved in the synthesis, regulation and accumulation of this natural polymer and could help to develop Tks into a rubber crop.
View Article and Find Full Text PDFThe development of plant genetic transformation techniques has greatly enhanced our capacity to investigate and understand gene function. Since T-DNA constructs insert randomly in genomes, in principle, it is possible to construct a population of individuals harboring one or more T-DNA inserted in any region of the genome. Such populations can be screened following two approaches: (1) given a mutant phenotype, one could find the gene subtending the phenotypic alteration (forward approach), or (2) given a gene of interest, one could identify the phenotypic effect of its expression perturbation (reverse approach).
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