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Showing 1 to 3 of 3 for “"Freeze Avoidance"”.
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Behavioral freeze avoidance in an Antarctic fish
Freeze avoidance is vital for the survival of Antarctic notothenioid fishes inhabiting the ice-laden waters of the high-latitude Southern Ocean. Most notothenioids avoid freezing primarily by the action of their blood-borne antifreeze glycoproteins (AFGPs). AFGPs arrest the growth of environmental …
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The influence of environmental temperature on the thermal tolerance of Antarctic notothenioid fishes
… is effectively determined by their capacity for freeze avoidance and limited by their circulating levels of antifreeze proteins (AFPs). To investigate the differences in freeze avoidance between these regions’ endemic ichthyofaunas blood serum freezing points were measured in 11 of the 14 species …
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Analysis of the antifreeze glycoprotein containing genomic locus in the Antarctic notothenioid fish dissostichus mawsoni
… radiation was linked to the evolution of antifreeze glycoproteins (AFGPs). High blood levels of AFGPs (25 to 35 mg/ml) lower their freezing point a few tenths of a degree below that of seawater (-1.86oC) and are a vital part of their freeze avoidance strategy. The AFGP gene evolved from a …