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For successful DNA replication, the unwinding of double-stranded DNA must be accompanied by stabilization and protection of the separated single strands of the DNA. This crucial task is performed by single-strand DNA-binding (SSB) proteins. They bind to the DNA in a sequence-independent manner, which means that the nitrogenous bases of the DNA need not be present in a specific order for binding of SSB proteins to it. The binding of SSB proteins straightens single-stranded DNA (ssDNA) and makes...

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Updated: Jul 17, 2026

Design and Synthesis of a Reconfigurable DNA Accordion Rack

Design and Synthesis of a Reconfigurable DNA Accordion Rack

Published on: August 15, 2018

Control of macromolecular structure and function using covalently attached double-stranded DNA constraints.

Scott K Silverman¹

¹Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA.

Molecular Biosystems

|January 12, 2007

Summary

Double-stranded DNA

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Area of Science:

Biophysics
Molecular Biology
Nanotechnology

Background:

DNA's unique biophysical properties enable applications beyond genetics.
Covalently attached double-stranded DNA controls protein and RNA structures.
This approach differs from traditional DNA nanotechnology.

Purpose of the Study:

To explore DNA's rigidity for macromolecular structure control.
To investigate DNA constraints for studying folding landscapes and mechanotransduction.
To advance DNA-based sensor development.

Main Methods:

Utilizing covalently attached double-stranded DNA as a structural constraint.
Applying DNA rigidity to influence macromolecular folding and interactions.
Demonstrating DNA constraints in sensor element design.

Main Results:

DNA rigidity can be harnessed to control macromolecular structures.
DNA constraints facilitate studies of folding landscapes and mechanotransduction.
DNA-based sensors show promise, with signal readout improvements needed.

Conclusions:

DNA's structural control capabilities extend beyond its genetic role.
DNA constraints offer novel tools for biophysical and biochemical investigations.
Overcoming delivery and stability challenges could unlock in vivo sensor applications.