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Important progress has been made in the epigenetic regulation of corn kernel development in Huazhong Agricultural University

 Last Update: 2022-09-10
 Source: Internet
 Author: User

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Recently, the corn team of Huazhong Agricultural University revealed the biological function and related mechanism of DNA demethylase affecting the expression of genes related to grain development, providing important theoretical support for the genetic improvement of corn grain yield

Maize kernels are mainly composed of embryo and endosperm, and gene expression plays an important role in kernel development

To answer this question, the researchers conducted a detailed study of two key genes (ZmROS1a and ZmROS1b) that control epigenetic modifications in maize, and finally demonstrated that DNA methylation variation directly regulates the expression of maize endosperm imprinted genes, and DNA depletion The function of methylases in regulating the formation of imprinted endosperm genes is conserved in the dicotyledonous plant Arabidopsis thaliana and the monocotyledonous plant maize

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