Cited by 37DNA and Biological ComputingDNA and Nucleic Acid ChemistryMolecular Biology Techniques and Applications

Long term conservation of DNA at ambient temperature. Implications for DNA data storage

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Coudy, Delphine, Colotte, Marthe, Luis, Aurélie, Tuffet, Sophie, Bonnet, Jacques·2021·PLOS ONE

Published version of a preprint

Abstract

DNA conservation is central to many applications. This leads to an ever-increasing number of samples which are more and more difficult and costly to store or transport. A way to alleviate this problem is to develop procedures for storing samples at room temperature while maintaining their stability. A variety of commercial systems have been proposed but they fail to completely protect DNA from deleterious factors, mainly water. On the other side, Imagene company has developed a procedure for long-term conservation of biospecimen at room temperature based on the confinement of the samples under an anhydrous and anoxic atmosphere maintained inside hermetic capsules. The procedure has been validated by us and others for purified RNA, and for DNA in buffy coat or white blood cells lysates, but a precise determination of purified DNA stability is still lacking. We used the Arrhenius law to determine the DNA degradation rate at room temperature. We found that extrapolation to 25°C gave a degradation rate constant equivalent to about 1 cut/century/100 000 nucleotides, a stability several orders of magnitude larger than the current commercialized processes. Such a stability is fundamental for many applications such as the preservation of very large DNA molecules (particularly interesting in the context of genome sequencing) or oligonucleotides for DNA data storage. Capsules are also well suited for this latter application because of their high capacity. One can calculate that the 64 zettabytes of data produced in 2020 could be stored, standalone, for centuries, in about 20 kg of capsules.

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Research works printed but not linked: 2

  1. [20]Chen WD, Kohll AX, Nguyen BH, Koch J, Heckel R, Stark WJ, et al. Combining Data Longevity with High Storage Capacity—Layer-by-Layer DNA Encapsulated in Magnetic Nanoparticles. Advanced Functional Materials. 2019; 29(28): 1901672. doi: 10.1002/adfm.201901672 · DOI · Paper page
  2. [25]Jiang J (2008) Gold film protected biomolecules in microfabrication, Biopatterning and DNA storage. Thesis, the National University of Singapore. Available from https://scholarbank.nus.edu.sg/handle/10635/19232accessed 10/29/2021.

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Authors
Coudy, D., Colotte, M., Luis, A., Tuffet, S., & Bonnet, J.
Affiliations
  • Genopole (France) (FR)
  • Université de Bordeaux (FR)
Corresponding author
  • Coudy, Delphine
  • Bonnet, Jacques
Venue
PLOS ONE
Published
2021-11-11
Volume
16
Issue
11
Pages
e0259868
ISSN
1932-6203 (ISSN-L)
OpenAlex
W3214035661
Cited by
37
References
36
Citations by year
2026: 9 · 2025: 14 · 2024: 4 · 2023: 7 · 2022: 3
FWCI
1.10
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Biological Computing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Molecular Biology Techniques and Applications
Keywords
DNA stability, Arrhenius equation, room temperature storage, DNA data storage
MeSH terms
DNA, Genetic Techniques, Humans, Specimen Handling, Temperature, Information Storage and Retrieval

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