On top of genetic information,organisms have evolved complex and sophisticated epigenetic regulation to adjust gene expression in response to developmental and environmental signals.Key epigenetic mechanisms include D...On top of genetic information,organisms have evolved complex and sophisticated epigenetic regulation to adjust gene expression in response to developmental and environmental signals.Key epigenetic mechanisms include DNA methylation,histone modifications and variants,chromatin remodeling,and chemical modifications of RNAs.Epigenetic control of environmental responses is particularly important for plants,which are sessile and unable to move away from adverse environments.Besides enabling plants to rapidly respond to environmental stresses,some stress-induced epigenetic changes can be maintained,providing plants with a pre-adapted state to recurring stresses.Understanding these epigenetic mechanisms offers valuable insights for developing crop varieties with enhanced stress tolerance.Here,we focus on abiotic stresses and summarize recent progress in characterizing stress-induced epigenetic changes and their regulatory mechanisms and roles in plant abiotic stress resistance.展开更多
基金supported by the National Key R&D Program of China(2023YFD1200704)the intramural research support from Temasek Life Sciences Laboratory.
文摘On top of genetic information,organisms have evolved complex and sophisticated epigenetic regulation to adjust gene expression in response to developmental and environmental signals.Key epigenetic mechanisms include DNA methylation,histone modifications and variants,chromatin remodeling,and chemical modifications of RNAs.Epigenetic control of environmental responses is particularly important for plants,which are sessile and unable to move away from adverse environments.Besides enabling plants to rapidly respond to environmental stresses,some stress-induced epigenetic changes can be maintained,providing plants with a pre-adapted state to recurring stresses.Understanding these epigenetic mechanisms offers valuable insights for developing crop varieties with enhanced stress tolerance.Here,we focus on abiotic stresses and summarize recent progress in characterizing stress-induced epigenetic changes and their regulatory mechanisms and roles in plant abiotic stress resistance.
