Carotenoid distribution in wild Japanese tree frogs (Hyla japonica) exposed to ionizing radiation in Fukushima

Mathieu Giraudeau, Jean Marc Bonzom, Simon Ducatez, Karine Beaugelin-Seiller, Pierre Deviche, Thierry Lengagne, Isabelle Cavalie, Virginie Camilleri, Christelle Adam-Guillermin, Kevin McGraw

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Abstract

The nuclear accident in the Fukushima prefecture released a large amount of artificial radionuclides that might have short- and long-term biological effects on wildlife. Ionizing radiation can be a harmful source of reactive oxygen species, and previous studies have already shown reduced fitness effects in exposed animals in Chernobyl. Due to their potential health benefits, carotenoid pigments might be used by animals to limit detrimental effects of ionizing radiation exposure. Here, we examined concentrations of carotenoids in blood (i.e. a snapshot of levels in circulation), liver (endogenous carotenoid reserves), and the vocal sac skin (sexual signal) in relation to the total radiation dose rates absorbed by individual (TDR from 0.2 to 34 μGy/h) Japanese tree frogs (Hyla japonica). We found high within-site variability of TDRs, but no significant effects of the TDR on tissue carotenoid levels, suggesting that carotenoid distribution in amphibians might be less sensitive to ionizing radiation exposure than in other organisms or that the potential deleterious effects of radiation exposure might be less significant or more difficult to detect in Fukushima than in Chernobyl due to, among other things, differences in the abundance and mixture of each radionuclide.

Original languageEnglish (US)
Article number7438
JournalScientific Reports
Volume8
Issue number1
DOIs
StatePublished - Dec 1 2018

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carotenoid
frog
time domain reflectometry
radiation exposure
radionuclide
nuclear accident
animal
amphibian
pigment
skin
fitness
blood
distribution
ionising radiation
effect

ASJC Scopus subject areas

  • General

Cite this

Carotenoid distribution in wild Japanese tree frogs (Hyla japonica) exposed to ionizing radiation in Fukushima. / Giraudeau, Mathieu; Bonzom, Jean Marc; Ducatez, Simon; Beaugelin-Seiller, Karine; Deviche, Pierre; Lengagne, Thierry; Cavalie, Isabelle; Camilleri, Virginie; Adam-Guillermin, Christelle; McGraw, Kevin.

In: Scientific Reports, Vol. 8, No. 1, 7438, 01.12.2018.

Research output: Contribution to journalArticle

Giraudeau, M, Bonzom, JM, Ducatez, S, Beaugelin-Seiller, K, Deviche, P, Lengagne, T, Cavalie, I, Camilleri, V, Adam-Guillermin, C & McGraw, K 2018, 'Carotenoid distribution in wild Japanese tree frogs (Hyla japonica) exposed to ionizing radiation in Fukushima', Scientific Reports, vol. 8, no. 1, 7438. https://doi.org/10.1038/s41598-018-25495-5
Giraudeau, Mathieu ; Bonzom, Jean Marc ; Ducatez, Simon ; Beaugelin-Seiller, Karine ; Deviche, Pierre ; Lengagne, Thierry ; Cavalie, Isabelle ; Camilleri, Virginie ; Adam-Guillermin, Christelle ; McGraw, Kevin. / Carotenoid distribution in wild Japanese tree frogs (Hyla japonica) exposed to ionizing radiation in Fukushima. In: Scientific Reports. 2018 ; Vol. 8, No. 1.
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