Fish enzyme flexes to adapt to the cold
An enzyme found in Antarctic fish has evolved to accommodate saltwater temperatures below 0° C.
Fields, P.A., and G.N. Somero. 1998. Hot spots in cold adaptation: Localized increases in conformational flexibility in lactate dehydrogenase A4 orthologs of Antarctic notothenioid fishes. Proceedings of the National Academy of Sciences 95(Sept. 15):11476.
Mlot, C. 1997. Evolutionary origins of fish antifreeze. Science News 151(April 19):237.
Wu, C. 1998. Hot-blooded proteins. Science News 153(May 9):296.
______. 1997. Freeze! Insect proteins halt ice growth. Science News 152(Aug. 30):135.
Peter A. Fields
Hopkins Marine Station
Pacific Grove, CA 93950-3094
From Science News, Vol. 154, No. 12, September 19,
1998, p. 183.
Copyright Ó 1998 by Science Service.
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