FREEZING RESISTANCE IN SOME ANTARCTIC FISHES

被引：506

作者：

DEVRIES, AL

WOHLSCHLAG, DE

机构：

来源：

SCIENCE | 1969年 / 163卷 / 3871期

关键词：

D O I：

10.1126/science.163.3871.1073

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Measurements of serum freezing points in three Antarctic marine fishes indicated that they do not freeze in the -1.87°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.

引用

页码：1073 / +

页数：1

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