Antifreeze Proteins and Glycoproteins

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Antifreeze proteins and glycoproteins permit many species of fish to survive in sub-zero oceans without freezing. These antifreeze compounds have potential applications in the frozen food industry (eg. maintaining the texture of ice cream), medical science (eg., cryosurgery) and veterinary science (eg. storage of sperm). Commercial applications are limited by the amounts of compounds available from fish and the lack of understanding of how these proteins work. This research will study how natural and synthetic antifreezes inhibit ice growth in order to allow the rational design of new antifreezes and will identify new compounds with potential commercial applications as cryoprotectants.