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A Biosensor to Monitor Radiation Induced DNA Damage on the International Space Station: Risk Assessment for Astronauts


The project aims to further develop an existing yeast-based biosensor system. It will act via modification of the expression of the green fluorescent protein (GFP) system which caues yeast to fluoresce in response to DNA damage. The already existing system will be modified to assess radiation-induced DNA damage through the construction of genetically engineered yeast strains with enhanced sensitivity to radiation. The team will develop both, a novel tape-based sensor system for continous monitoring of radiation exposure, and a badge-based system for the detection of occasional high risk exposure.

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U.K Based researchers involved in this project

R. M. Walmsley

N. Goddard

P. Fielden

Gentronix Ltd: (Link to Website)


Jeremy Curtis, UK Microgravity Co-ordinator
Rutherford Appleton Laboratory

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