Plants produce and accumulate triacylglycerol(TAG)in their seeds as an energy reservoir to support the processes of seed germination and seedling development.Plant seed oils are vital not only for the human diet but a...Plants produce and accumulate triacylglycerol(TAG)in their seeds as an energy reservoir to support the processes of seed germination and seedling development.Plant seed oils are vital not only for the human diet but also as renewable feedstocks for industrial use.TAG biosynthesis consists of two major steps:de novo fatty acid biosynthesis in the plastids and TAG assembly in the endoplasmic reticulum.The latest advances in unraveling transcriptional regulation have shed light on the molecular mechanisms of plant oil biosynthesis.We summarize recent progress in understanding the regulatory mechanisms of wellcharacterized and newly discovered transcription factors and other types of regulators that control plant fatty acid biosynthesis.The emerging picture shows that plant oil biosynthesis responds to developmental and environmental cues that stimulate a network of interacting transcriptional activators and repressors,which in turn fine-tune the spatiotemporal regulation of the pathway genes.展开更多
基金This work was supported by Ministry of Education(MOE)of Singapore Tier 1 to W.M.(RG29/20)MOE of Singapore Tier 2 to W.M.(MOE-T2EP30220-0011)+2 种基金the National Key R&D Program of China to L.Y.(2019YFC1711100)the Hubei Hongshan Laboratory Research Fund to L.G.(2021HSZD004)the HZAU-AGIS Cooperation Fund to L.G.(SZYJY2021004).
文摘Plants produce and accumulate triacylglycerol(TAG)in their seeds as an energy reservoir to support the processes of seed germination and seedling development.Plant seed oils are vital not only for the human diet but also as renewable feedstocks for industrial use.TAG biosynthesis consists of two major steps:de novo fatty acid biosynthesis in the plastids and TAG assembly in the endoplasmic reticulum.The latest advances in unraveling transcriptional regulation have shed light on the molecular mechanisms of plant oil biosynthesis.We summarize recent progress in understanding the regulatory mechanisms of wellcharacterized and newly discovered transcription factors and other types of regulators that control plant fatty acid biosynthesis.The emerging picture shows that plant oil biosynthesis responds to developmental and environmental cues that stimulate a network of interacting transcriptional activators and repressors,which in turn fine-tune the spatiotemporal regulation of the pathway genes.
