Biomimicry: Anti-freeze from Alaskan Beetle

National Science Foundation – Insects exposed to subzero temperatures can adapt to the extreme climate to survive freezing temperatures, but until now, antifreeze molecules had not been isolated from freeze-tolerant animals. The NSF-supported study, published in the November 24 issue of Proceedings of the National Academy of Sciences, describes a brand new type of antifreeze molecule isolated from a freeze-tolerant Alaskan beetle by Kent Walters and colleagues at the University of Notre Dame.

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Paper Abstract (Proceedings of the National Academy of Sciences): “A nonprotein thermal hysteresis-producing xylomannan antifreeze in the freeze-tolerant Alaskan beetle Upis ceramboides” (Nov. 23, 2009).

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