Abstract:The Antarctic green algaChlamydomonas priscuiiis an obligate psychrophile and an emerging model for photosynthetic adaptation to extreme conditions. Endemic to the ice-covered Lake Bonney, this alga thrives at highly unusual light conditions characterized by very low light irradiance (<15 μmol m-2s-1), a narrow wavelength spectrum enriched in blue light, and an extreme photoperiod. Genome sequencing ofC. priscuiiexposed an unusually large genome, with hundreds of highly similar gene duplicates and expanded … Show more
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