Reprogramming of the Hevea brasiliensis epigenome and transcriptome in response to cold stress
Reprogramming of the Hevea brasiliensis epigenome and transcriptome in response to cold stress
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DOI：
10.3389/fpls.2022.831839
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发表时间：
2022
影响因子：
5.6
通讯作者：
Xi Huang
中科院分区：
文献类型：
--
作者：
Xiao Tang;Yonglei Zhang;Hong-Mei Yuan;Jinling Zhai;Xi Huang
Low temperature is a key factor limiting the rubber plantation extending to high latitude .area. Previous work has shown that cold-induced DNA demethylation was coordinated .with the expression of cold-responsive (COR) genes in Hevea brasiliensis. In this work, .reduced representation bisulphite sequencing analysis of H. brasiliensis showed that cold .treatment induced global genomic DNA demethylation and altered the sequence contexts .of methylated cytosines, but the levels of mCG methylation in transposable elements were .slightly enhanced by cold treatment. Integrated analysis of the DNA methylome and .transcriptome revealed 400 genes whose expression correlated with altered DNA .methylation. DNA demethylation in the upstream region of gene seems to correlate with higher gene expression, whereas demethylation in the gene body has less association. Our results suggest that cold treatment globally change the genomic DNA methylation status of the rubber tree, which might coordinate reprogramming of the transcriptome.
