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Deoxyribonucleic acid, or DNA, is the genetic material responsible for passing traits from generation to generation in all organisms and most viruses. DNA is composed of two strands of nucleotides that wind around each other to form a spring-like structure called a double helix. However, the double helix is not perfectly symmetrical. Instead, there are regularly occurring grooves in the structure. The major groove occurs where the sugar-phosphate backbones are relatively far apart. This space...
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Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
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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: Nov 15, 2025

Folding and Characterization of a Bio-responsive Robot from DNA Origami
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Advancing Biophysics Using DNA Origami.

Wouter Engelen1, Hendrik Dietz1

  • 1Physik Department, Technische Universität München, 85748 Garching bei München, Germany;

Annual Review of Biophysics
|March 1, 2021
PubMed
Summary
This summary is machine-generated.

DNA origami allows for the creation of custom nanoscale objects. These DNA structures offer new biophysical research tools and applications, from molecular manipulation to structural analysis.

Keywords:
DNA nanotechnologyDNA origamiFRETchannelscryo-EMenzymesforce spectroscopykineticsmembranesmotorsnanoporesself-assemblysingle moleculesuper-resolution

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Area of Science:

  • Nanotechnology
  • Biophysics
  • Structural Biology

Background:

  • DNA origami is a method for building nanoscale structures with precise control.
  • These structures offer tailored functionalities for various scientific applications.

Purpose of the Study:

  • To review fundamental biophysical concepts for DNA origami.
  • To summarize biochemical methods for integrating DNA origami with biomolecules.
  • To highlight diverse applications and their biophysical insights.

Main Methods:

  • Review of existing literature on DNA origami.
  • Discussion of biochemical strategies for biomolecule interfacing.
  • Categorization of applications based on biophysical insights.

Main Results:

  • DNA origami serves as rulers, positioning devices, and force measurement tools.
  • Applications include structural analysis support (Cryo-EM, NMR) and lipid membrane interaction probes.
  • Programmable nanopores and potential in-cell applications are discussed.

Conclusions:

  • DNA origami provides versatile tools for biophysical research.
  • It enables novel experimental approaches and deeper insights into molecular mechanisms.
  • Future opportunities lie in complex biological environments like cells and organisms.