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Updated: Aug 5, 2025

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Measuring intramolecular connectivity in long RNA molecules using two-dimensional DNA patch-probe arrays.
Biorxiv : the Preprint Server for Biology
|March 30, 2023
Summary
Researchers developed a patch-probe method to map RNA connections in vitro. This technique reveals RNA folding structures and how modifications like pseudouridine affect them.
Area of Science:
- Molecular Biology
- Biochemistry
- Genomics
Background:
- Understanding RNA intramolecular connections is crucial for deciphering RNA function.
- Previous methods for studying RNA structure have limitations in population-level analysis.
- Satellite tobacco mosaic virus (STMV) RNA is a model system with known complex folding.
Conclusions:
- The patch-probe method is effective for mapping RNA connections and population heterogeneity.
- Globally-folded and locally-folded structures coexist in RNA solutions.
- RNA base modification, such as pseudouridylation, significantly influences RNA structural dynamics.
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