From 2009.igem.org
Introduction
Mars also has day and night like Earth. The strength of the sunlight reaching Mars varies from day to night. During the day, the Mars’ surface temperature is about at most -20 degrees Celsius and in the night it drops to -100 degrees Celsius, so it natural that E. coli should behave differently in the day and night. Photo-sensor can be one powerful tool to control or regulate gene expression that is suitable for the temperature. For example, we introduced anti-freeze protein into E. coli, and it should express an appropriate amount of the protein based on the surface temperature, which is in proportion to the strength of light. We believe that this sensor can also be applied and utilized for terra-forming in some other way.
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