Cited by 36Plant Molecular Biology ResearchEpigenetics and DNA MethylationPlant tissue culture and regeneration

Nitric oxide controls shoot meristem activity via regulation of DNA methylation

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Zeng, Jian, Zhao, Xin’Ai, Liang, Zhe, Hidalgo, Inés, Gebert, Michael, Fan, Pengfei, Wenzl, Christian, Gornik, Sebastian G. +1 more·2023·Nature Communications

Published version of a preprint

Abstract

Despite the importance of Nitric Oxide (NO) as signaling molecule in both plant and animal development, the regulatory mechanisms downstream of NO remain largely unclear. Here, we show that NO is involved in Arabidopsis shoot stem cell control via modifying expression and activity of ARGONAUTE 4 ( AGO4 ), a core component of the RNA-directed DNA Methylation (RdDM) pathway. Mutations in components of the RdDM pathway cause meristematic defects, and reduce responses of the stem cell system to NO signaling. Importantly, we find that the stem cell inducing WUSCHEL transcription factor directly interacts with AGO4 in a NO dependent manner, explaining how these two signaling systems may converge to modify DNA methylation patterns. Taken together, our results reveal that NO signaling plays an important role in controlling plant stem cell homeostasis via the regulation of de novo DNA methylation.

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Authors
Zeng, J., Zhao, X., Liang, Z., Hidalgo, I., Gebert, M., Fan, P., Wenzl, C., Gornik, S. G., & Lohmann, J. U.
Affiliations
Heidelberg University (DE)
Corresponding author
Lohmann, Jan U.
Venue
Nature Communications
Published
2023-12-04
Volume
14
Issue
1
Pages
8001-8001
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4389298262
Cited by
36
References
78
Citations by year
2026: 16 · 2025: 15 · 2024: 5
FWCI
5.67
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
H2020 European Research Council (810296)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant tissue culture and regeneration
Keywords
nitric oxide signaling, shoot meristem, stem cell homeostasis, RNA-directed DNA methylation, DNA methylation, WUSCHEL, Arabidopsis thaliana, de novo methylation, plant development
MeSH terms
Nitric Oxide, RNA, Arabidopsis, Gene Expression Regulation, Plant, Meristem, DNA Methylation, Arabidopsis Proteins

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