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Chain and conformation stability of solid-state DNA: implications for room temperature storage
Open accessAbstract
There is currently wide interest in room temperature storage of dehydrated DNA. However, there is insufficient knowledge about its chemical and structural stability. Here, we show that solid-state DNA degradation is greatly affected by atmospheric water and oxygen at room temperature. In these conditions DNA can even be lost by aggregation. These are major concerns since laboratory plastic ware is not airtight. Chain-breaking rates measured between 70 degrees C and 140 degrees C seemed to follow Arrhenius' law. Extrapolation to 25 degrees C gave a degradation rate of about 1-40 cuts/10(5) nucleotides/century. However, these figures are to be taken as very tentative since they depend on the validity of the extrapolation and the positive or negative effect of contaminants, buffers or additives. Regarding the secondary structure, denaturation experiments showed that DNA secondary structure could be preserved or fully restored upon rehydration, except possibly for small fragments. Indeed, below about 500 bp, DNA fragments underwent a very slow evolution (almost suppressed in the presence of trehalose) which could end in an irreversible denaturation. Thus, this work validates using room temperature for storage of DNA if completely protected from water and oxygen.
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“Among those, hydrolysis is the dominating decay pathway in a data storage context.57,58”
From Emerging Approaches to DNA Data Storage: Challenges and Prospects (2022) · cites this paper as [57]
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Metadata
- Authors
- Bonnet, J., Colotte, M., Coudy, D., Couallier, V., Portier, J., Morin, B., & Tuffet, S.
- Affiliations
- Université de Bordeaux (FR)
- Corresponding author
- Bonnet, Jacques
- Venue
- Nucleic Acids Research
- Publisher
- Oxford University Press (OUP)
- Published
- 2009-12-07
- Volume
- 38
- Issue
- 5
- Pages
- 1531-1546
- ISSN
- 0305-1048 (ISSN-L)
- 1362-4962
- PMC
- PMC2836546
- OpenAlex
- W2107762567
- Cited by
- 182
- References
- 89
- Citations by year
- 2026: 18 · 2025: 15 · 2024: 12 · 2023: 20 · 2022: 10 · 2021: 15 · 2020: 16 · 2019: 12 · 2018: 8 · 2017: 10 · 2016: 5 · 2015: 5 · 2014: 8 · 2013: 14 · 2012: 4
- FWCI
- 1.74
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Nucleic Acids Research (publishedVersion, cc-by-nc)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- HAL (submittedVersion, other-oa)
- Oskar-Bordeaux (Universite de Bordeaux) (submittedVersion)
- Topics
- 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
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Tardigrade Biology and Ecology
- Keywords
- DNA degradation, room temperature storage, Arrhenius extrapolation, secondary structure stability, DNA denaturation, rehydration, trehalose, DNA aggregation
- MeSH terms
- 8-Hydroxy-2'-Deoxyguanosine, Deoxyguanosine, DNA, Hot Temperature, Humidity, Kinetics, Nucleic Acid Conformation, Preservation, Biological, Temperature, Water
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