Damage Avoidance and Repair Mechanisms of Extreme Halophiles to Ionizing Radiation

Abstract

We investigated the molecular basis for ionizing radiation (IR) resistance in extremophiles using the halophilic archaeon Halobacterium salinarum as a model system and several thermophilic bacteria and archaea also highly resistant to IR. Oxidative damages are the main lesions from IR and result from the production of reactive oxygen species (ROS) via radiolysis of water.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 2013
Accession Number
ADA585300

Entities

People

  • Jocelyne DiRuggiero

Organizations

  • Johns Hopkins University

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Amino Acids
  • Archaea
  • Carrier Proteins
  • Chemistry
  • Environment
  • Gamma Rays
  • Gel Electrophoresis
  • Ionizing Radiation
  • Metabolic Pathways
  • Metabolism
  • Molecules
  • Oxidative Stress
  • Proteins
  • Radiation Resistance
  • Resistance
  • Small Molecules

Fields of Study

  • Biology
  • Environmental science

Readers

  • Molecular Genetics
  • Nuclear and Radiation Engineering.