Carotenoids:Importanceand integration ofmicrobial biosyntheticpathwaysin plants Carotenoids are essential molecules found in plants that fulfill critical functions in light capture,photoprotection,and pigmentation.Car...Carotenoids:Importanceand integration ofmicrobial biosyntheticpathwaysin plants Carotenoids are essential molecules found in plants that fulfill critical functions in light capture,photoprotection,and pigmentation.Carotenoids also act as precursors for apocarotenoid signaling compounds including phytohormones such as abscisic acid and strigolactones.Beyond plants,carotenoids play a significant role in humans;particularly,carotenoids possessing unsubstitutedβ-ionone rings can be converted into retinal,the precursor to vitamin A,making their dietary consumption important to human health(Watkins and Pogson,2020;Zheng et al.,2020).Increasing the accumulation of these carotenoid compounds,known as provitamin A carotenoids(PACs),is an important aim in the global endeavor to cultivate biofortified crops with enhanced nutritional quality.The availability of germplasm with variation in carotenoid accumulationis crucial for successful provitamin A biofortification initiatives that use both traditional plantbreeding methods and recently developed molecular biology techniques(Zheng et al.,2020).展开更多
Woody plant species represent an invaluable reserve of biochemical diversity to which metabolic engineering can be applied to satisfy the need for commodity and specialty chemicals,pharmaceuticals,and renewable energy...Woody plant species represent an invaluable reserve of biochemical diversity to which metabolic engineering can be applied to satisfy the need for commodity and specialty chemicals,pharmaceuticals,and renewable energy.Woody plants are particularly promising for this application due to their low input needs,high biomass,and immeasurable ecosystem services.However,existing challenges have hindered their widespread adoption in metabolic engi neering efforts,such as long generation times,large and highly heterozygous genomes,and difficulties in transfor mation and regeneration.Recent advances in omics approaches,systems biology modeling and plant transformation and regeneration methods provide effective approaches in overcoming these outstanding challenges.Promises brought by developments in this space are steadily opening the door to widespread metabolic engineering of woody pl ants to meet the global need for a wide range of sustainably sourced chemicals and materials.展开更多
基金the USDA-NIFA(2017-67013-26164 to L.T.)for research in our group on provitamin A biofortification of wheat grains.
文摘Carotenoids:Importanceand integration ofmicrobial biosyntheticpathwaysin plants Carotenoids are essential molecules found in plants that fulfill critical functions in light capture,photoprotection,and pigmentation.Carotenoids also act as precursors for apocarotenoid signaling compounds including phytohormones such as abscisic acid and strigolactones.Beyond plants,carotenoids play a significant role in humans;particularly,carotenoids possessing unsubstitutedβ-ionone rings can be converted into retinal,the precursor to vitamin A,making their dietary consumption important to human health(Watkins and Pogson,2020;Zheng et al.,2020).Increasing the accumulation of these carotenoid compounds,known as provitamin A carotenoids(PACs),is an important aim in the global endeavor to cultivate biofortified crops with enhanced nutritional quality.The availability of germplasm with variation in carotenoid accumulationis crucial for successful provitamin A biofortification initiatives that use both traditional plantbreeding methods and recently developed molecular biology techniques(Zheng et al.,2020).
文摘Woody plant species represent an invaluable reserve of biochemical diversity to which metabolic engineering can be applied to satisfy the need for commodity and specialty chemicals,pharmaceuticals,and renewable energy.Woody plants are particularly promising for this application due to their low input needs,high biomass,and immeasurable ecosystem services.However,existing challenges have hindered their widespread adoption in metabolic engi neering efforts,such as long generation times,large and highly heterozygous genomes,and difficulties in transfor mation and regeneration.Recent advances in omics approaches,systems biology modeling and plant transformation and regeneration methods provide effective approaches in overcoming these outstanding challenges.Promises brought by developments in this space are steadily opening the door to widespread metabolic engineering of woody pl ants to meet the global need for a wide range of sustainably sourced chemicals and materials.
