Freezing Resistance in Some Antarctic Fishes

Overview

Journal Science

Specialty Science

Date 1969 Mar 7

PMID 5764871

Citations 111

Authors

A L DeVries

D E Wohlschlag

Affiliations

Soon will be listed here.

Abstract

Measurements of serum freezing points in three Antarctic marine fishes indicated that they do not freeze in the -1.87 degrees C seawater because their blood is isosmotic to seawater. Concentrations of sodium chloride, urea, and free amino acids in the serum accounted for only half of the freezing-point depression of the serum. A protein containing carbohydrate was isolated which accounted for 30 percent of the freezing-point depression of the serum.

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