Arid
DOI10.1007/s11295-018-1298-1
Single-base-resolution methylomes of Populus euphratica reveal the association between DNA methylation and salt stress
Su, Yutao1; Bai, Xiaotao2,3; Yang, Wenlu1; Wang, Weiwei1; Chen, Zeyuan1; Ma, Jianchao2,3; Ma, Tao1
通讯作者Ma, Tao
来源期刊TREE GENETICS & GENOMES
ISSN1614-2942
EISSN1614-2950
出版年2018
卷号14期号:6
英文摘要

DNA methylation is an important biological form of epigenetic modification, playing key roles in plant development and environmental responses. In this study, we examined single-base resolution methylomes of Populus euphratica under control and salt stress conditions using high-throughput bisulfite sequencing. Our data showed that the methylation levels of methylated cytosines in upstream 2kb, downstream 2kb, and repetitive sequences increased after salt treatment in leaves, but decreased in roots. We also found that heavy methylation in 100-bp upstream of the transcriptional start site repressed gene expression, while methylations within downstream 2K and within the gene body were positively associated with gene expression. A total of 1893 and 1817 significant differentially methylated regions (DMRs) corresponding to 251 and 191 differentially methylated genes (DMGs) were identified in leaf and root tissues, respectively. These DMGs may play important roles in salt stress responses of P. euphratica through the changes of their DNA methylation levels. Overall, these findings provide valuable insights into our understanding of the interaction between gene expression and methylation of salt responses in poplars.


英文关键词DNA methylation Populus euphratica Salt stress Gene expression
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000449769700001
WOS关键词ORYZA-SATIVA L. ; SALINITY TOLERANCE ; ARABIDOPSIS-THALIANA ; OSMOTIC-STRESS ; DESERT POPLAR ; GENOME ; GENE ; RESPONSES ; PLAYS ; ACCUMULATION
WOS类目Forestry ; Genetics & Heredity ; Horticulture
WOS研究方向Forestry ; Genetics & Heredity ; Agriculture
来源机构兰州大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/213494
作者单位1.Sichuan Univ, Coll Life Sci, Key Lab Bioresource & Ecoenvironm, Minist Educ, Chengdu 610065, Sichuan, Peoples R China;
2.Lanzhou Univ, Inst Innovat Ecol, State Key Lab Grassland Agroecosyst, Lanzhou 730000, Gansu, Peoples R China;
3.Lanzhou Univ, Sch Life Sci, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式
GB/T 7714
Su, Yutao,Bai, Xiaotao,Yang, Wenlu,et al. Single-base-resolution methylomes of Populus euphratica reveal the association between DNA methylation and salt stress[J]. 兰州大学,2018,14(6).
APA Su, Yutao.,Bai, Xiaotao.,Yang, Wenlu.,Wang, Weiwei.,Chen, Zeyuan.,...&Ma, Tao.(2018).Single-base-resolution methylomes of Populus euphratica reveal the association between DNA methylation and salt stress.TREE GENETICS & GENOMES,14(6).
MLA Su, Yutao,et al."Single-base-resolution methylomes of Populus euphratica reveal the association between DNA methylation and salt stress".TREE GENETICS & GENOMES 14.6(2018).
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