Abstract:Roses have high economic values as garden plants and for cut-flower and cosmetics industries. The growth and development of rose plants is affected by exposure to high temperature. Histone acetylation plays an important role in plant development and responses to various stresses. It is a dynamic and reversible process mediated by histone deacetylases (HDAC) and histone acetyltransferases (HAT). However, information on HDAC and HAT genes of roses is scarce. Here, 23 HDAC genes and 10 HAT genes were identified i… Show more
“…Plants have evolved mechanisms to adapt and attenuate the hazards of temperature stress, with HAT/HDACs playing a significant role. Heat stress increases the expression of HAT genes in rose, suggesting histone acetylation adjustments in response ( Wu et al., 2022 ). GCN5 regulated heat stress responsive genes HSFA3 and UVH6 by facilitating H3K9ac and H3K14ac to maintain thermotolerance in Arabidopsis ( Hu et al., 2015 ).…”
Section: Functions Of Histone Acetylation In Plants Response To Abiot...mentioning
In eukaryotes, histone acetylation and deacetylation play an important role in the regulation of gene expression. Histone acetylation levels are reversibly regulated by histone acetyltransferases (HATs) and histone deacetylases (HDACs). Increasing evidence highlights histone acetylation plays essential roles in the regulation of gene expression in plant response to environmental stress. In this review, we discussed the recent advance of histone acetylation in the regulation of abiotic stress responses including temperature, light, salt and drought stress. This information will contribute to our understanding of how plants adapt to environmental changes. As the mechanisms of epigenetic regulation are conserved in many plants, research in this field has potential applications in improvement of agricultural productivity.
“…Plants have evolved mechanisms to adapt and attenuate the hazards of temperature stress, with HAT/HDACs playing a significant role. Heat stress increases the expression of HAT genes in rose, suggesting histone acetylation adjustments in response ( Wu et al., 2022 ). GCN5 regulated heat stress responsive genes HSFA3 and UVH6 by facilitating H3K9ac and H3K14ac to maintain thermotolerance in Arabidopsis ( Hu et al., 2015 ).…”
Section: Functions Of Histone Acetylation In Plants Response To Abiot...mentioning
In eukaryotes, histone acetylation and deacetylation play an important role in the regulation of gene expression. Histone acetylation levels are reversibly regulated by histone acetyltransferases (HATs) and histone deacetylases (HDACs). Increasing evidence highlights histone acetylation plays essential roles in the regulation of gene expression in plant response to environmental stress. In this review, we discussed the recent advance of histone acetylation in the regulation of abiotic stress responses including temperature, light, salt and drought stress. This information will contribute to our understanding of how plants adapt to environmental changes. As the mechanisms of epigenetic regulation are conserved in many plants, research in this field has potential applications in improvement of agricultural productivity.
Roses have been domesticated since antiquity for their therapeutic, cosmetic, and ornamental properties. Their floral fragrance has great economic value, which has influenced the production of rose varieties. The production of rose water and essential oil is one of the most lucrative activities, supplying bioactive molecules to the cosmetic, pharmaceutical, and therapeutic industries. In recent years, major advances in molecular genetics, genomic, and biochemical tools have paved the way for the identification of molecules that make up the specific fragrance of various rose cultivars. The aim of this review is to highlight current knowledge on metabolite profiles, and more specifically on fragrance compounds, as well as the specificities and differences between rose species and cultivars belonging to different rose sections and how they contribute to modern roses fragrance.
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