Cited by 687Bacterial Genetics and BiotechnologyEffects of Radiation ExposureTardigrade Biology and Ecology

Radioresistance of Deinococcus radiodurans: functions necessary to survive ionizing radiation are also necessary to survive prolonged desiccation

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Mattimore, V, Battista, J R·1996·Journal of Bacteriology

Abstract

Forty-one ionizing radiation-sensitive strains of Deinococcus radiodurans were evaluated for their ability to survive 6 weeks of desiccation. All exhibited a substantial loss of viability upon rehydration compared with wild-type D. radiodurans. Examination of chromosomal DNA from desiccated cultures revealed a time-dependent increase in DNA damage, as measured by an increase in DNA double-strand breaks. The evidence presented suggests that D. radiodurans' ionizing radiation resistance is incidental, a consequence of this organism's adaptation to a common physiological stress, dehydration.

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Crossref · 10.1128/jb.178.3.633-637.1996

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  • Other common adaptations improve DNA repair mechanisms; these are particularly important for organisms exposed to high doses of radiation or subjected to severe desiccation.

    “Other common adaptations improve DNA repair mechanisms; these are particularly important for organisms exposed to high doses of radiation or subjected to severe desiccation (e.g., Potts, 1994; Mattimore and Battista, 1996).”

    From The Astrobiology Primer v2.0 (2016) · cites this paper as Mattimore and Battista, 1996

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Authors
Mattimore, V, & Battista, J. R.
Affiliations
Louisiana State University (US)
Venue
Journal of Bacteriology
Published
1996-02
Volume
178
Issue
3
Pages
633-637
ISSN
  • 0021-9193 (ISSN-L)
  • 1098-5530
OpenAlex
W2145301542
Cited by
687
References
19
Citations by year
2026: 12 · 2025: 19 · 2024: 23 · 2023: 27 · 2022: 19 · 2021: 22 · 2020: 27 · 2019: 27 · 2018: 33 · 2017: 33 · 2016: 28 · 2015: 35 · 2014: 33 · 2013: 28 · 2012: 26
FWCI
6.01
Type
journal article
Language
en
Open access
Locations
  • Journal of Bacteriology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation
  • Institut de Radioprotection et de SÛreté Nucléaire
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Tardigrade Biology and Ecology
Keywords
Deinococcus radiodurans, radioresistance (biology), ionizing radiation, desiccation tolerance, dehydration stress, DNA double-strand breaks, DNA damage, radiation-sensitive mutants, stress adaptation
MeSH terms
Desiccation, DNA Damage, DNA Repair, Micrococcus, Radiation Tolerance

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