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RNA methylation in plants: An overview.

Harshraj Shinde1, Ambika Dudhate2, Ulhas S Kadam3

  • 1Department of Animal and Food Sciences, College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY, United States.

Frontiers in Plant Science
|March 20, 2023
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RNA methylation, particularly N6-methyladenosine (m6A), is crucial for plant development. This review details plant RNA methylation writers, erasers, readers, and advanced research methods.

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RNA methylationsgene regulationplant developmentsoftwarewriters

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Area of Science:

  • Plant molecular biology
  • Epigenetics
  • Gene regulation

Background:

  • RNA methylation is a key post-transcriptional modification influencing gene expression.
  • While well-studied in animals, RNA methylation in plants remains less understood.
  • Recent advances highlight its critical role in plant development.

Purpose of the Study:

  • To review current knowledge on RNA methylation in plant development.
  • To summarize plant RNA methylation writers, erasers, and readers.
  • To outline methods and software for studying RNA methylation in plants.

Main Methods:

  • Review of existing literature on plant RNA methylation.
  • Highlighting techniques like methylated RNA immunoprecipitation and next-generation sequencing.
  • Discussion of bioinformatics tools (e.g., MACS2) for transcriptome-wide analysis.

Main Results:

  • N6-methyladenosine (m6A) is the most common RNA methylation in plants.
  • Mutations in m6A regulators affect plant phenotypes (e.g., in Arabidopsis).
  • Methylated mRNA transport (e.g., TCTP1) differs from unmethylated mRNA.

Conclusions:

  • RNA methylation is vital for plant development.
  • Methylated RNA immunoprecipitation sequencing has revolutionized plant RNA methylation research.
  • Further research is needed to fully understand the scope and implications of RNA methylation in plants.