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Epigenomic landscape and epigenetic regulation in maize

Abstract

Key message

Epigenetic regulation has been implicated in the control of multiple agronomic traits in maize. Here, we review current advances in our understanding of epigenetic regulation, which has great potential for improving agronomic traits and the environmental adaptability of crops.

Abstract

Epigenetic regulation plays vital role in the control of complex agronomic traits. Epigenetic variation could contribute to phenotypic diversity and can be used to improve the quality and productivity of crops. Maize (Zea mays L.), one of the most widely cultivated crops for human food, animal feed, and ethanol biofuel, is a model plant for genetic studies. Recent advances in high-throughput sequencing technology have made possible the study of epigenetic regulation in maize on a genome-wide scale. In this review, we discuss recent epigenetic studies in maize many achieved by Chinese research groups. These studies have explored the roles of DNA methylation, posttranslational modifications of histones, chromatin remodeling, and noncoding RNAs in the regulation of gene expression in plant development and environment response. We also provide our future prospects for manipulating epigenetic regulation to improve crops.

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Acknowledgements

This work was supported by the National Transgenic Major Program (2019ZX08010-004), the National Natural Science Foundation of China (31872805), the National Key Research and Development Program of China (2016YFD0100103), and the Innovation Program of Chinese Academy of Agricultural Sciences.

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LP conceived and outlined the review; all authors wrote the manuscript; and LP revised the manuscript.

Correspondence to Li Pu.

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Communicated by Mingliang Xu.

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Yu, J., Xu, F., Wei, Z. et al. Epigenomic landscape and epigenetic regulation in maize. Theor Appl Genet (2020). https://doi.org/10.1007/s00122-020-03549-5

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