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Updated: Sep 14, 2025
10:53
Isolation of Cognate RNA-protein Complexes from Cells Using Oligonucleotide-directed Elution
Published on: January 16, 2017
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Deciphering the RNA Landscape of RNA Granules
Ziqi Ren1, Songrui Zhao2, Peng Zou1,2,3
1College of Chemistry and Molecular Engineering, Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing 100871, China.
Biochemistry
|July 23, 2025
Summary
RNA granules, like stress granules (SGs) and processing bodies (PBs), control RNA fate during cellular stress. New methods map RNA interactions within these compartments, crucial for understanding gene regulation and neurodegenerative diseases.
Area of Science:
- Cell Biology
- Molecular Biology
- Neuroscience
Background:
- RNA granules, including stress granules (SGs) and processing bodies (PBs), are dynamic membraneless organelles.
- These compartments regulate RNA localization, metabolism, and translation in response to cellular stress.
- Dysregulated RNA condensation in granules is linked to neurodegenerative diseases.
Purpose of the Study:
- To examine the RNA landscape within SGs and PBs.
- To highlight recent insights into how these compartments influence RNA fate.
- To propose future directions for studying RNA granules and their roles in cellular processes and disease.
Main Methods:
- Review of current methodologies for probing granule-associated RNAs.
- High-resolution imaging, transcriptomics, and sequencing-based approaches.
- Spotlighting emerging photoactivated proximity labeling techniques for mapping RNA interactions in living cells.
Main Results:
- Recent insights reveal how SGs and PBs shape RNA fate.
- Photoactivated proximity labeling offers high spatiotemporal resolution for mapping RNA interactions.
- Multiomic approaches are proposed to define RNA roles within granules.
Conclusions:
- RNA granules are critical regulators of post-transcriptional gene regulation and cellular adaptation.
- Investigating RNA granules in neuronal contexts is vital for understanding neurodegenerative diseases.
- Combining multiomic approaches will advance the understanding of RNA granule function.
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