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RNA modifications in plant adaptation to abiotic stresses
Jing Cai1, Ling Shen1, Hunseung Kang2
1Jiangsu International Joint Center of Genomics, Jiangsu Key Laboratory of Comparative Genomics, School of Life Sciences, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, China.
Plant Communications
|December 22, 2024
Summary
RNA modifications regulate plant stress adaptation. This review covers diverse RNA modifications and their roles in plant responses, highlighting future directions for developing stress-tolerant crops.
Area of Science:
- Plant molecular biology
- Epitranscriptomics
- Genetics
Background:
- Over 170 RNA chemical modifications exist in various RNA types (mRNAs, tRNAs, rRNAs, miRNAs, lncRNAs).
- RNA modifications are regulated by "writers" (addition) and "erasers" (removal) genes.
- N6-methyladenosine (m6A) is the most common mRNA modification in eukaryotes.
Purpose of the Study:
- To review current research on RNA modifications in plant stress adaptation.
- To emphasize the biological and cellular roles of RNA modifications in response to environmental and hormonal signals.
- To identify future challenges and research directions in plant epitranscriptomics.
Main Methods:
- Literature review of genetic and molecular studies.
- Analysis of identified m6A writers and erasers in various plant species.
- Discussion of the integration of RNA modification insights with genome- and RNA-editing technologies.
Main Results:
- RNA modifications are crucial for plant stress adaptation.
- Diverse RNA modifications play significant roles in plant responses to various stimuli.
- Key genes (writers and erasers) for RNA modifications have been identified across plant species.
Conclusions:
- Understanding RNA modifications enhances knowledge of plant stress responses.
- Future research should focus on cellular and mechanistic roles of RNA modifications.
- Engineering RNA modifications offers a promising avenue for developing stress-tolerant crops.
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