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Related Concept Videos

Nucleic Acids02:43

Nucleic Acids

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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
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The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes,...
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Nucleic acids02:43

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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
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Nucleic Acids02:43

Nucleic Acids

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Nucleic Acid Structure01:25

Nucleic Acid Structure

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The pentose sugar in DNA is deoxyribose, while in RNA the pentose sugar is ribose. The difference between the sugars is the presence of the hydroxyl group on the ribose's second carbon and a hydrogen on the deoxyribose's second carbon. The phosphate residue attaches to the hydroxyl group of the 5′ carbon of one sugar and the hydroxyl group of the 3′ carbon of the sugar of the next nucleotide, which forms  a 5′ to 3′ phosphodiester linkage.
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Nucleic Acids and Nucleotides01:20

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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and have instructions for its functioning. The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
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Biosynthesis of Nucleic Acids01:28

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Nucleic acid biosynthesis is a fundamental biochemical process that produces the purine and pyrimidine nucleotides essential for DNA and RNA synthesis. This pathway maintains a balanced nucleotide pool, preventing imbalances that could jeopardize genetic integrity and cellular function. Given the crucial role of nucleotides, their synthesis is tightly regulated to ensure proper cellular homeostasis.Purine BiosynthesisThe biosynthesis of purine nucleotides begins with ribose-5-phosphate, a...
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Kinetic Screening of Nuclease Activity using Nucleic Acid Probes
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Concept and Development of Framework Nucleic Acids.

Zhilei Ge1, Hongzhou Gu2, Qian Li1

  • 1School of Chemistry and Chemical Engineering, and Institute of Molecular Medicine, Renji Hospital, School of Medicine , Shanghai Jiao Tong University , Shanghai 200240 , China.

Journal of the American Chemical Society
|December 6, 2018
PubMed
Summary
This summary is machine-generated.

Structural DNA nanotechnology utilizes nucleic acid properties to build precise nanostructures. Framework nucleic acids (FNAs) enable nanoscale organization with broad applications in science and medicine.

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Area of Science:

  • Structural DNA nanotechnology
  • Nucleic acid self-assembly
  • Nanomaterials science

Background:

  • DNA and RNA exhibit precise Watson-Crick base pairing, enabling the creation of complex 1D, 2D, and 3D nanostructures.
  • Computer-aided design tools automate the creation of diverse DNA nanostructures.
  • Framework nucleic acids (FNAs) are emerging as versatile platforms for molecular organization.

Purpose of the Study:

  • To highlight the state-of-the-art in the design and construction of precisely assembled FNAs.
  • To outline current challenges and future opportunities for FNAs.
  • To explore the translational potential of FNAs in various applications.

Main Methods:

  • Exploitation of Watson-Crick base pairing for programmable self-assembly.
  • Utilization of computer-aided tools for automated nanostructure design.
  • Construction of shell or skeleton DNA frameworks (FNAs).

Main Results:

  • Development of exquisite nucleic acid nanostructures in one to three dimensions.
  • Creation of FNAs for organizing molecules and nanoparticles with nanometer precision.
  • Demonstration of FNAs' intrinsic biological properties and tailorable functionalities.

Conclusions:

  • FNAs represent a powerful tool for nanoscale organization with significant potential.
  • Further research into FNA design and construction can unlock diverse physical, chemical, and biological applications.
  • Exploiting the structural potential of FNAs offers promising avenues for translational research and development.