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- RNA-directed DNA methylationPlants use 24-nucleotide small interfering RNAs (24-nt siRNAs) and long non-coding RNAs (lncRNAs) to direct de novo DNA methylation and transcriptional gene silencing. This process is called RNA-directed DNA methylation (RdDM).pmc.ncbi.nlm.nih.gov/articles/PMC3866238/
RNA-directed DNA methylation: an epigenetic pathway of
May 8, 2014 · RNA-directed DNA methylation (RdDM) is a major mechanism of transcriptional gene silencing in plants that is mediated through small interfering RNAs (siRNAs) and plant-specific RNA...
- Author: Marjori A. Matzke, Rebecca A. Mosher
- Publish Year: 2014
Nature
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Dynamics and function of …
In plants, de novo DNA methylation is mediated through the RNA-directed …
Non-canonical RNA-directe…
Small RNA-directed DNA methylation (RdDM) has been extensively studied in …
RdDM-independent de nov…
Overall, our data resolve how DNA methylation in plants can be established …
RNA-directed DNA Methylation - PubMed
Oct 8, 2020 · The RdDM pathway is unique to plants, although other mechanisms of RNA-directed chromatin modification have also been described in fungi and animals. To date, the …
RNA directed DNA methylation and seed plant genome evolution
RNA Directed DNA Methylation (RdDM) is a pathway that mediates de novo DNA methylation, an evolutionary conserved chemical modification of cytosine bases, which exists in living …
RNA-directed DNA Methylation | PLOS Genetics
Oct 8, 2020 · RNA-directed DNA methylation (RdDM) is a biological process in which non-coding RNA molecules direct the addition of DNA methylation to specific DNA sequences. The RdDM …
DNA methylation in plants: mechanisms and tools for …
Mar 11, 2020 · In plants, the establishment of DNA methylation is mediated by the RNA-directed DNA methylation (RdDM) pathway, where the DNA methyltransferase DOMAINS REARRANGED METHYLTRANSFERASE 2 …
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Dynamics and function of DNA methylation in plants
May 21, 2018 · In plants, de novo DNA methylation is mediated through the RNA-directed DNA methylation (RdDM) pathway, which involves small interfering RNAs (siRNAs) and scaffold RNAs in addition to an...
Non-canonical RNA-directed DNA methylation
Nov 3, 2016 · Small RNA-directed DNA methylation (RdDM) has been extensively studied in plants, resulting in a deep understanding of a major ‘canonical RdDM’ mechanism. However, current models of...
RNA-Directed DNA Methylation: The Evolution of a Complex
We describe recently recognized deviations from the canonical RdDM pathway, discuss unresolved issues, and speculate on the biological significance of RdDM for flowering plants, …
RNA-directed DNA methylation: an epigenetic pathway of
RNA-directed DNA methylation (RdDM) is the major small RNA-mediated epigenetic pathway in plants. RdDM requires a specialized transcriptional machinery that comprises two plant …
RNA-directed DNA methylation in plants: Where to start? - PMC
Plants use 24-nucleotide small interfering RNAs (24-nt siRNAs) and long non-coding RNAs (lncRNAs) to direct de novo DNA methylation and transcriptional gene silencing. This process …
siRNA-directed DNA Methylation in Plants - PMC - PubMed …
In plants, small interfering RNAs (siRNAs) can trigger DNA methylation at loci containing their homolog sequences through a process called RNA-directed DNA methylation (RdDM).
RNA-Directed DNA Methylation: The Evolution of a Complex …
We describe recently recognized deviations from the canonical RdDM pathway, discuss unresolved issues, and speculate on the biological significance of RdDM for flowering plants, …
In plants, RdDM pathway is an essential process for protection against DNA damage to control the transposons and genome stability in stress conditions or nuclease activities and silencing …
Molecular mechanisms of the RNA polymerases in plant RNA …
Mar 1, 2024 · RNA-directed DNA methylation (RdDM) is a plant-specific de novo DNA methylation pathway that relies on the atypical RNA polymerases Pol IV-RDR2 complex and Pol V to …
RdDM-independent de novo and heterochromatin DNA …
Apr 8, 2019 · Overall, our data resolve how DNA methylation in plants can be established in heterochromatin independently of RdDM; suggest that DRMs have emerged to target …
Developmental processes in the Rosaceae through the lens of
2 days ago · It is achieved through the process of RNA-directed DNA methylation (RdDM) that relies on two plant-specific RNA polymerases (Pol): ... Sun W et al (2021) The RNA directed …
RNA-Directed DNA Methylation Links Viral Disease and Plant …
Jun 1, 2020 · In plants, cytosine methylation occurs in three distinct sequence contexts: CG, CHG, and CHH (where H = C, A, or T) (Law and Jacobsen, 2010). The RNA-directed DNA …
Deciphering the role of epigenetics in plant pathogen resistance ...
Jan 28, 2025 · This highlights the crucial role of RNA-directed DNA methylation (RdDM) pathways in enhancing plant defense against fungal infections, revealing the complex molecular …
RNA-directed DNA methylation: Mechanisms and functions
RNA-directed DNA methylation (RdDM) pathway which may be unique to plants cells, similar and related process takes place in mammals, functions to mediate epigenetic modifications.
RNA-directed DNA methylation and demethylation in plants
RNA-directed DNA methylation (RdDM) is a nuclear process in which small interfering RNAs (siRNAs) direct the cytosine methylation of DNA sequences that are complementary to the …
Chromatin remodeling analysis reveals the RdDM pathway …
Sep 20, 2023 · The RdDM pathway mutant ddm1a showed increased tolerance to low-Pi stress, with shortened and thickened roots contributing to higher Pi uptake from the shallow soil layer. …
Chemical genetics reveals cross-regulation of plant ... - Science
5 days ago · Cells sense and integrate multiple signals to coordinate a response. A receptor-kinase signaling pathway for plant stomatal development shares components with the …
HTD: a targetome database for plant physiology and regulation in …
Feb 3, 2025 · It is located within the plastids of plant cells, where it functions as a catalyst for the conversion of 4-hydroxyphenylpyruvate to homogentisate (HGA; Raspail et al., 2011). This …
Integrated transcriptomic and metabolomic analyses reveal …
6 days ago · The genes in profile 0 were mainly enriched in pathways including plant-pathogen interaction, alpha-linolenic acid metabolism, amino sugar and nucleotide sugar metabolism, …
The RdDM Pathway Is Required for Basal Heat Tolerance in
We provide evidence that the transcriptional response to temperature stress, at least partially, relies on the integrity of the RNA-dependent DNA methylation pathway. Plants frequently …