Marine warming could strengthen radiation-induced genotoxicity in mussels
Marine mussel, Mytilus galloprovincialis. (Photo: Andrew Butko/CC BY-SA 3.0)
(UNITED KINGDOM, 8/25/2016)
New research exploring the impact of rising temperatures coupled with the presence of tritium on marine mussels (Mytilusgalloprovincialis) concluded that increased sea temperatures could dramatically enhance and accelerate radiation-induced DNA effects in marine invertebrates.
The study, led by Plymouth University in conjunction with the Centre for Environment, Fisheries and Aquaculture Science (Cefas), demonstrated that at radiation dose rates considerably below the recommended international guidelines, induced DNA strand breaks appeared earlier at higher temperature compared to lower temperature.
The research revealed that at 15 ºC, DNA damage was only significantly elevated after seven days in contrast to 25 °C where a similar response was observed after three days.
Scientists involved say this suggests an acceleration of radiation-in...
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