Biological effects of ionizing radiation on aquatic biota - A critical review

Pradhoshini KP 1 , Priyadharshini M 2 , Santhanabharathi B 2 , Ahmed MS 2 , Parveen MHS 3 , War MUD 3 Show all authors , Musthafa MS 4 , Alam L 5 , Falco F 6 , Faggio C 7

Affiliations 

  • 1 Unit of Research in Radiation Biology & Environmental Radioactivity (URRBER), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India; Institute for Environment and Development (LESTARI), Research Centre for Sustainability Science and Governance (SGK), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
  • 2 Unit of Research in Radiation Biology & Environmental Radioactivity (URRBER), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India
  • 3 Unit of Aquatic biology and Aquaculture (UABA), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India
  • 4 Unit of Research in Radiation Biology & Environmental Radioactivity (URRBER), P.G. & Research Department of Zoology, The New College (Autonomous), Affiliated to University of Madras, Chennai 600 014, Tamilnadu, India; Institute for Environment and Development (LESTARI), Research Centre for Sustainability Science and Governance (SGK), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia. Electronic address: [email protected]
  • 5 Institute for Environment and Development (LESTARI), Research Centre for Sustainability Science and Governance (SGK), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
  • 6 National Research Council, Institute for Biological Resources and Marine Biotechnology (IRBIM), Mazara del Vallo, Italy
  • 7 Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy. Electronic address: [email protected]
Environ Toxicol Pharmacol, 2023 Apr;99:104091.
PMID: 36870406 DOI: 10.1016/j.etap.2023.104091

Abstract

Ionizing radiation from radionuclides impacts marine aquatic biota and the scope of investigation must be wider than just invertebrates. We intend to detail and illustrate numerous biological effects that occur in both aquatic vertebrates and invertebrates, at various dose rates from all three kinds of ionizing radiation. The characteristics of radiation sources and dosages that would most effectively generate the intended effects in the irradiated organism were assessed once the biological differentiation between vertebrates and invertebrates was determined through multiple lines of evidence. We contend that invertebrates are still more radiosensitive than vertebrates, due to their small genome size, rapid reproduction rates and lifestyle, which help them to compensate for the effects of radiation induced declines in fecundity, life span and individual health. We also identified various research gaps in this field and suggest future directions to be investigated to remedy the lack of data available in this area.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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