Maize,a global food crop,was domesticated from its wild ancestor teosinte approximately 9000 years ago near the Balsas river in southwestern Mexico.Through natural and artificial selection of key traits,maize has expa...Maize,a global food crop,was domesticated from its wild ancestor teosinte approximately 9000 years ago near the Balsas river in southwestern Mexico.Through natural and artificial selection of key traits,maize has expanded widely across the world[1-3].Mesocotyl is an important organ for cereal crops that bridges the coleoptilar node and basal part of the seminal root[4].The elongation of mesocotyl during seed germination pushes the buds out of the soil,thus playing a key role in determining the successful early seedling establishment.Internal and environmental signals,such as phytohormones and light,regulate the growth of maize mesocotyl[1,4-8].展开更多
基金supported by the National Natural Science Foun-dation of China(31971954,32201720,and 32321005)the China Postdoctoral Science Foundation(2022M711267)the Natural Science Foundation of Hubei province,China(2023AFB939).
文摘Maize,a global food crop,was domesticated from its wild ancestor teosinte approximately 9000 years ago near the Balsas river in southwestern Mexico.Through natural and artificial selection of key traits,maize has expanded widely across the world[1-3].Mesocotyl is an important organ for cereal crops that bridges the coleoptilar node and basal part of the seminal root[4].The elongation of mesocotyl during seed germination pushes the buds out of the soil,thus playing a key role in determining the successful early seedling establishment.Internal and environmental signals,such as phytohormones and light,regulate the growth of maize mesocotyl[1,4-8].