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Related Concept Videos

DNA Isolation01:24

DNA Isolation

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DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...
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Stable DNA Motifs, 1D and 2D Nanostructures Constructed from Small Circular DNA Molecules
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Point-and-shoot Strategy based on Enzyme-assisted DNA "Paper-Cutting" to Construct Arbitrary Planar DNA

Jingwen Wang1,2, Junjie Yuan1, Jiajia Liu2

  • 1Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province and School of Biomedical Engineering, Sun Yat-Sen University, Guangdong, 518107, China.

Small (Weinheim an Der Bergstrasse, Germany)
|April 6, 2023
PubMed
Summary

A new enzyme-assisted DNA "paper-cutting" method simplifies the creation of complex DNA nanostructures. This point-and-shoot strategy avoids redesigning DNA origami, making nanostructure fabrication more accessible.

Keywords:
DNA nanotechnologyDNA origaminanostructuresself-assembly

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Area of Science:

  • Biotechnology
  • Nanotechnology
  • Synthetic Biology

Background:

  • DNA self-assembly enables bottom-up fabrication of nanoscale structures.
  • Current methods require separate design and skilled technicians, limiting applications.

Purpose of the Study:

  • To develop a simplified strategy for constructing planar DNA nanostructures.
  • To overcome the limitations of complexity and operational simplicity in DNA nanostructure design.

Main Methods:

  • A point-and-shoot strategy using enzyme-assisted DNA 'paper-cutting' on DNA origami templates.
  • Utilizing staple strands that hybridize with scaffold strand fragments to model desired shapes.
  • One-pot annealing of scaffold and selected staple strands.

Main Results:

  • Successful construction of various planar DNA nanostructures.
  • Demonstrated avoidance of DNA origami staple strand re-design for different shapes.
  • Achieved high precision in shape modeling.

Conclusions:

  • The point-and-shoot strategy simplifies DNA nanostructure design and operation.
  • This method enhances generality and operability for manufacturing DNA nanostructures.
  • It offers a candidate tool for broader application in DNA nanostructure fabrication.