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Related Concept Videos

Single-Strand DNA Binding Proteins01:03

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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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Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist...
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Translesion DNA Polymerases02:10

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Translesion (TLS) polymerases rescue stalled DNA polymerases at sites of damaged bases by replacing the replicative polymerase and installing a nucleotide across the damaged site. Doing so, TLS allows additional time for the cell to repair the damage before resuming regular DNA replication.
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Crenarchaeota, a prominent phylum of Archaea, is remarkable for its ability to thrive in extreme environments characterized by high temperatures and acidity. These microorganisms inhabit sulfuric hot springs, volcanic systems, and submarine hydrothermal vents, where temperatures often exceed 100°C. The unique adaptations of Crenarchaeota not only allow survival under such extreme conditions but also provide insights into the mechanisms of life in primordial Earth-like...
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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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The double-stranded structure of DNA has two major advantages. First, it serves as a safe repository of genetic information where one strand serves as the back-up in case the other strand is damaged. Second, the double-helical structure can be wrapped around proteins called histones to form nucleosomes, which can then be tightly wound to form chromosomes. This way, DNA chains up to 2 inches long can be contained within microscopic structures in a cell. A double-stranded break not only damages...
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Enhanced DNA Data Storage Stability and Amplification Efficiency Using Extreme Thermostable Single-Stranded

Yihao Huang1, Xinxin Ran1, Meizhen Jiang1

  • 1The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Department of Chemical Biology, College of Chemistry and Chemical Engineering, State Key Laboratory of Vaccines for Infectious Diseases, Fujian Key Laboratory of Chemical Biology (Xiamen University), Xiang An Biomedicine Laboratory, Xiamen University, Xiamen, Fujian, China.

Small Methods
|April 9, 2026
PubMed
Summary

Researchers developed a new DNA data storage method using extreme thermostable single-strand DNA-binding proteins (ET SSB). This stabilizes DNA, preventing degradation and improving polymerase chain reaction (PCR) efficiency for reliable data retrieval.

Keywords:
DNA data storageDNA stabilityamplification efficiencymicrodroplet PCRsingle‐strand DNA binding protein

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Bioinformatics

Background:

  • DNA offers high storage density and durability for digital information.
  • Long-term stability and protection from degradation are key challenges in DNA data storage.

Purpose of the Study:

  • To present a novel method for enhancing DNA data storage stability and retrieval efficiency.
  • To investigate the utility of extreme thermostable single-strand DNA-binding proteins (ET SSB) in DNA data storage.

Main Methods:

  • Utilized extreme thermostable single-strand DNA-binding proteins (ET SSB) to stabilize single-stranded DNA (ssDNA).
  • Employed microdroplet polymerase chain reaction (PCR) for DNA amplification and information decoding.

Main Results:

  • ET SSB protected DNA from environmental degradation and contamination.
  • ET SSB preserved ssDNA conformation, enhancing PCR efficiency.
  • Achieved amplification and decoding with as few as 10 DNA template molecules.

Conclusions:

  • ET SSB significantly enhances the stability and retrieval efficiency of DNA data storage.
  • This method advances the practical application of DNA as a stable and efficient information storage medium.