Dynamic DNA methylation modification in peanut seed development

Summary: Cytosine methylation is an important epigenetic modification involved in regulation of plant development. However, the epigenetic mechanisms governing peanut seed development remain unclear. Herein, we generated DNA methylation profiles of developmental seeds of peanut H2014 and its smaller...

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Main Authors: Zhongfeng Li, Qian Liu, Kai Zhao, Di Cao, Zenghui Cao, Kunkun Zhao, Qian Ma, Gaidan Zhai, Sasa Hu, Zhan Li, Kuopeng Wang, Fangping Gong, Xingli Ma, Xingguo Zhang, Rui Ren, Ding Qiu, Yu Zhao, Dongmei Yin
Format: Article
Language:English
Published: Elsevier 2023-07-01
Series:iScience
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2589004223011392
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author Zhongfeng Li
Qian Liu
Kai Zhao
Di Cao
Zenghui Cao
Kunkun Zhao
Qian Ma
Gaidan Zhai
Sasa Hu
Zhan Li
Kuopeng Wang
Fangping Gong
Xingli Ma
Xingguo Zhang
Rui Ren
Ding Qiu
Yu Zhao
Dongmei Yin
author_facet Zhongfeng Li
Qian Liu
Kai Zhao
Di Cao
Zenghui Cao
Kunkun Zhao
Qian Ma
Gaidan Zhai
Sasa Hu
Zhan Li
Kuopeng Wang
Fangping Gong
Xingli Ma
Xingguo Zhang
Rui Ren
Ding Qiu
Yu Zhao
Dongmei Yin
author_sort Zhongfeng Li
collection DOAJ
description Summary: Cytosine methylation is an important epigenetic modification involved in regulation of plant development. However, the epigenetic mechanisms governing peanut seed development remain unclear. Herein, we generated DNA methylation profiles of developmental seeds of peanut H2014 and its smaller seed mutant H1314 at 15 and 60 days after pegging (DAP, S1, S4). Accompanying seed development, globally elevated methylation was observed in both lines. The mutant had a higher methylation level of 31.1% than wild type at S4, and 27.1–35.9% of the differentially methylated regions (DMRs) between the two lines were distributed in promoter or genic regions at both stages. Integrated methylome and transcriptome analysis revealed important methylation variations closely associated with seed development. Furthermore, some genes showed significantly negative correlation of expression with the methylation level within promoter or gene body. The results provide insights into the roles of DNA methylation in peanut seed development.
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spelling doaj.art-c4a95a24ee9f45ab8f5dab40011641352023-07-23T04:55:23ZengElsevieriScience2589-00422023-07-01267107062Dynamic DNA methylation modification in peanut seed developmentZhongfeng Li0Qian Liu1Kai Zhao2Di Cao3Zenghui Cao4Kunkun Zhao5Qian Ma6Gaidan Zhai7Sasa Hu8Zhan Li9Kuopeng Wang10Fangping Gong11Xingli Ma12Xingguo Zhang13Rui Ren14Ding Qiu15Yu Zhao16Dongmei Yin17College of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaNational Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan 430070, Hubei Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, ChinaNational Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan 430070, Hubei Province, China; Corresponding authorCollege of Agronomy, Henan Agricultural University, Zhengzhou 450046, Henan Province, China; Corresponding authorSummary: Cytosine methylation is an important epigenetic modification involved in regulation of plant development. However, the epigenetic mechanisms governing peanut seed development remain unclear. Herein, we generated DNA methylation profiles of developmental seeds of peanut H2014 and its smaller seed mutant H1314 at 15 and 60 days after pegging (DAP, S1, S4). Accompanying seed development, globally elevated methylation was observed in both lines. The mutant had a higher methylation level of 31.1% than wild type at S4, and 27.1–35.9% of the differentially methylated regions (DMRs) between the two lines were distributed in promoter or genic regions at both stages. Integrated methylome and transcriptome analysis revealed important methylation variations closely associated with seed development. Furthermore, some genes showed significantly negative correlation of expression with the methylation level within promoter or gene body. The results provide insights into the roles of DNA methylation in peanut seed development.http://www.sciencedirect.com/science/article/pii/S2589004223011392EpigeneticsPlant developmentTranscriptomics
spellingShingle Zhongfeng Li
Qian Liu
Kai Zhao
Di Cao
Zenghui Cao
Kunkun Zhao
Qian Ma
Gaidan Zhai
Sasa Hu
Zhan Li
Kuopeng Wang
Fangping Gong
Xingli Ma
Xingguo Zhang
Rui Ren
Ding Qiu
Yu Zhao
Dongmei Yin
Dynamic DNA methylation modification in peanut seed development
iScience
Epigenetics
Plant development
Transcriptomics
title Dynamic DNA methylation modification in peanut seed development
title_full Dynamic DNA methylation modification in peanut seed development
title_fullStr Dynamic DNA methylation modification in peanut seed development
title_full_unstemmed Dynamic DNA methylation modification in peanut seed development
title_short Dynamic DNA methylation modification in peanut seed development
title_sort dynamic dna methylation modification in peanut seed development
topic Epigenetics
Plant development
Transcriptomics
url http://www.sciencedirect.com/science/article/pii/S2589004223011392
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