水稻胚乳发育遗传调控的研究进展
收稿日期: 2021-03-09
修回日期: 2021-04-25
网络出版日期: 2021-07-10
基金资助
国家自然科学基金资助项目(31771744);江苏省杰出青年基金资助项目(BK20180047);江苏省“六大人才高峰”高层次人才项目(NY-142)
Towards Understanding the Genetic Regulations of Endosperm Development in Rice
Received date: 2021-03-09
Revised date: 2021-04-25
Online published: 2021-07-10
张娟, 牛百晓, 鄂志国, 陈忱 . 水稻胚乳发育遗传调控的研究进展[J]. 中国水稻科学, 2021 , 35(4) : 326 -341 . DOI: 10.16819/j.1001-7216.2021.210307
Endosperm, a product of double fertilization, is a tissue nourishing the developing embryo. In addition, cereal endosperm is the primary source of calories of humans. Rice endosperm consists more than seventy percent of the seed dry mass, whose development directly determines the yield and quality of rice grains. To date, we have had a profound understanding of the genetic and epigenetic regulations for rice endosperm development. Many of the important genes required for rice endosperm development have been identified. In this review, we summarize the molecular controls of the key events/processes of endosperm development, including the syncytium-cellualrization transition, endosperm cell differentiation and storage compounds accumulation. We mainly focus on the new findings in rice; however, some important findings in Arabidopsis and other cereal crops are also introduced. We also discuss some questions that need to be elucidated in the future for rice endosperm development.
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