期刊论文

Zhang, Jianhua

英文

PLANT PHYSIOLOGY

0032-0889

2020

183

4

1809-1824

10.1104/pp.20.00141

1This work was supported by the National Key Research and Development Program of China (grant no. 2017YFD0301502), the National Natural Science Foundation of China (grant no. NSFC31771701), the Key Research and Development Program of Hunan Province (grant no. 2018NK1010), the Hunan Agricultural University Excellent Talent Fund of Crop Science (grant no. ZD2018–2), the Double First-Class Construction Project of Hunan Agricultural University (grant no. SYL201802013), and the Hong Kong Research Grant Council (grant nos. AoE/M–05/12, AoE/ M–403/16, GRF14122415, 14160516, and 14177617). 2These authors contributed equally to the article. 3Author for contact: jzhang@hkbu.edu.hk. 4Senior author.

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In rice (Oryza sativa), a specific temporary source organ, the stem, is important for grain filling, and moderate soil drying (MD) enhanced carbon reserve flow from stems to increase grain yield. The dynamics and biological relevance of DNA methylation in carbon reserve remobilization during grain filling are unknown. Here, we generated whole-genome single-base resolution maps of the DNA methylome in the stem. During grain filling under MD, we observed an increase in DNA methylation of total cytosines, with more hypomethylated than hypermethyla...