期刊
JOURNAL OF GENETICS AND GENOMICS
卷 48, 期 9, 页码 836-843出版社
SCIENCE PRESS
DOI: 10.1016/j.jgg.2021.06.005
关键词
Histone methylation; Root microbiota; Hub species; Co-occurrence network; Rice; Epigenetics
资金
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA24020104, XDB27030201]
- Key Research Program of Frontier Sciences of the Chinese Academy of Sciences [QYZDB-SSW-SMC021, QYZDY-SSW-SMC022]
- National Natural Science Foundation of China [31788103, 31801945]
- Youth Innovation Promotion Association CAS [2020101, 2021092]
The histone methylation in rice plays a crucial role in regulating the structure and composition of the root microbiota, especially in shaping the microbial network's hub species. This study reveals that histone methylation-related genes influence the assembly of the root microbiota and highlights the connections between plant epigenetic regulation and root microbiota.
Plants have a close relationship with their root microbiota, which comprises a complex microbial network. Histone methylation is an important epigenetic modification influencing multiple plant traits; however, little is known about the role of plant histone methylation in the assembly and network structure of the root microbiota. In this study, we established that the rice (Oryza sativa) histone methylation regulates the structure and composition of the root microbiota, especially the hub species in the microbial network. DJ-jmj703 (defective in histone H3K4 demethylation) and ZH11-sdg714 (defective in H3K9 methylation) showed significant different root microbiota compared with the corresponding wild types at the phylum and family levels, with a consistent increase in the abundance of Betaproteobacteria and a decrease in the Firmicutes. In the root microbial network, 35 of 44 hub species in the top 10 modules in the tested field were regulated by at least one histone methylation-related gene. These observations establish that the rice histone methylation plays a pivotal role in regulating the assembly of the root microbiota, providing insights into the links between plant epigenetic regulation and root microbiota. Copyright (C) 2021, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, and Genetics Society of China. Published by Elsevier Limited and Science Press. All rights reserved.
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