Resistance to irradiation of micro-algae growing in the storage pools of a nuclear reactor investigated by NMR and neutron spectroscopies | Zendy

Corinne Rivasseau | Zendy; Emmanuel Farhi | Zendy; Marina Gromova | Zendy; Jacques Ollivier | Zendy; Richard Bligny | Zendy

Open Access

Resistance to irradiation of micro-algae growing in the storage pools of a nuclear reactor investigated by NMR and neutron spectroscopies

Author(s) -

Corinne Rivasseau,

Emmanuel Farhi,

Marina Gromova,

Jacques Ollivier,

Richard Bligny

Publication year - 2010

Publication title -

spectroscopy an international journal

Language(s) - English

Resource type - Journals

eISSN - 1875-922X

pISSN - 0712-4813

DOI - 10.1155/2010/592156

Subject(s) - irradiation , extremophile , neutron , chemistry , nuclear magnetic resonance spectroscopy , radiochemistry , materials science , enzyme , biochemistry , nuclear physics , physics , stereochemistry , thermophile

A green Chlorophycean micro-alga surviving high irradiation doses has been discovered in the storage pools of a nuclear reactor. Investigating the mechanisms sustaining its properties is of peculiar interest. Metabolic impact of irradiation on the micro-alga as well as structural macromolecular impact were investigated using nuclear magnetic resonance and neutron backscattering spectroscopy. Carbohydrate, amino acid and organic acid content studied as a function of the irradiation dose revealed an intense protein repair activity. Resilience was extracted according to irradiation dose and compared to that of other extremophile species.

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