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Related Concept Videos

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Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
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During replication, the complementary strands in double-stranded DNA are synthesized at different rates. Replication first begins on the leading strand. Replication starts later, occurs more slowly, and proceeds discontinuously on the lagging strand.
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Updated: Jun 19, 2025

Folding and Characterization of a Bio-responsive Robot from DNA Origami
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Automated Synthesis of DNA Nanostructures.

Patricia Islas1, Casey M Platnich1, Yasser Gidi1

  • 1Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, QC, H3A 0B8, Canada.

Advanced Materials (Deerfield Beach, Fla.)
|July 25, 2024
PubMed
Summary
This summary is machine-generated.

Researchers developed an automated method for creating custom DNA nanotubes, simplifying nanoscale construction. This advance in DNA nanotechnology enables precise control over sequence and size for complex structures.

Keywords:
DNA nanotechnologyDNA nanotubesautomated solid‐phase synthesiskineticssequence‐controlled synthesis

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Area of Science:

  • Nanotechnology
  • Biotechnology
  • Materials Science

Background:

  • DNA nanotechnology enables precise nanoscale positioning but faces challenges in laborious DNA-based architecture preparation.
  • Developing efficient methods for custom DNA structure synthesis is crucial for advancing nanoscale engineering.

Purpose of the Study:

  • To report a fully automated method for producing sequence- and size-defined DNA nanotubes.
  • To demonstrate an "assembly-analysis-optimization" workflow for iterative improvement of complex noncovalent material synthesis.

Main Methods:

  • Automated sequential addition of DNA building blocks to form nanotubes and wireframe structures.
  • Single-molecule fluorescence imaging to quantitatively determine kinetics and yield of synthetic steps.
  • K-means clustering algorithm for automated analysis of self-assembly dynamics.

Main Results:

  • Successful production of rigid DX-tile-based DNA nanotubes and flexible wireframe DNA structures.
  • Quantitative insights into self-assembly dynamics during nanotube formation on a solid support.
  • Demonstration of an iterative optimization workflow for complex material generation with good yield.

Conclusions:

  • The presented automated method significantly facilitates the formation of custom DNA-based architectures.
  • This approach offers a generalizable strategy for automated supramolecular assembly on solid supports.
  • The study provides new insights into DNA self-assembly kinetics and dynamics.