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(No) twist in the tale for icefish protein
by
Sandra Fanjul, RSC
—
last modified
06-12-09 05:48 AM
Copyright 2009, RSC
Antifreeze glycoprotein AFGP allows Antarctic icefish to survive the cold. © Uwe Kils
A cyclic peptide has shattered an established theory about fish antifreeze.
The antifreeze glycoprotein (AFGP) was discovered in the 1960s in the blood and body fluids of the Antarctic icefish. It allows the fish to survive at temperatures as low as -2 °C by binding to small ice crystals and preventing them from growing to a size where they would be fatal.
More: http://www.rsc.org/Publishing/Journals/cb/Volume/2009/3/icefish_protein.asp
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