SOURCE OF NONSHIVERING THERMOGENESIS IN FUR-SEAL SKELETAL-MUSCLE

被引:43
作者
GRAV, HJ
机构
[1] UNIV TROMSO,INST MED BIOL,PHYSIOL SECT,N-9001 TROMSO,NORWAY
[2] UNIV ALASKA,INST ARCT BIOL,FAIRBANKS,AK 99701
关键词
D O I
10.1126/science.219477
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
The mitochondria from the subscapular muscle of naturally cold-stressed 10- to 15-year-old northern fur seals (Callorhinus ursinus) were loosely coupled upon isolation, whereas the mitochondria from the same muscle of warm-acclimated pups of the same age were tightly coupled. Thus, loose-coupled muscle mitochondria might provide an important vehicle for nonshivering thermogenesis in this species. Copyright © 1979 AAAS.
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页码:87 / 89
页数:3
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