The radioresistant and survival mechanisms of Deinococcus radiodurans

Feng Liu, Nuomin Li, Yongqian Zhang*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

11 Citations (Scopus)

Abstract

Deinococcus radiodurans (D. radiodurans) is distinguished by the most radioresistant organism ever known, and can tolerate extreme environments such as ionizing radiation, ultraviolet radiation, oxidation, and desiccation. D. radiodurans is an important model for studying DNA damage/repair and redox regulation upon high dose ionizing radiation. How D. radiodurans response and repair ROS-induced oxidative damage remains a subject of ongoing investigation. This review provides an overview of the radioresistance characteristics of D. radiodurans. Among them, the DNA damage repair pathway and high-efficiency antioxidant defense system are summarized in detail. Furthermore, a novel model that protects the cell against the ionizing radiation is proposed. This review also discusses the potential application, future challenges and directions in advancing towards D. radiodurans studies.

Original languageEnglish
Pages (from-to)70-79
Number of pages10
JournalRadiation Medicine and Protection
Volume4
Issue number2
DOIs
Publication statusPublished - Jun 2023

Keywords

  • Antioxidant defense system
  • DNA repair
  • Deinococcus radiodurans
  • Oxidative stress
  • Radioresistant mechanism

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