Table 1.

Percentage composition of membrane fractions from cold- and warm-acclimated animals

% Composition
AnimalMembrane fractionCholesterolPhospholipidProtein
Warm-acclimatedPM9.5±0.423.1±1.167.4±0.8
RDPM10.0±0.423.0±1.567.0±1.3
Raft16.1±1.027.6±1.556.3±1.2
Cold-acclimatedPM8.5±0.325.4±0.666.1±0.7
RDPM7.3±0.227.5±1.065.2±1.1
Raft11.5±1.335.9±3.352.7±2.2
  • Values are means ± S.E.M. (N=6) and are based on the assumption that cholesterol, phospholipid and protein content add up to 100% of the membrane.

    PM, plasma membrane; RDPM, raft-depleted plasma membrane.