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. 1981 Jan;5(1):27-36.
doi: 10.1016/0309-1651(81)90154-5.

RNA metabolism in isolated nuclei: effect of temperature on RNA transport from intact and membrane-denuded nuclei

R J Patterson, M Lyerly, S E Stuart

RNA metabolism in isolated nuclei: effect of temperature on RNA transport from intact and membrane-denuded nuclei

R J Patterson et al. Cell Biol Int Rep. 1981 Jan.

Abstract

The kinetics of RNA transport from intact (both inner and outer nuclear membranes present) and membrane-denuded myeloma nuclei were monitored at temperatures between 10 and 37 degrees C. A linear rate for RNA transport was calculated and the log of RNA transported from membrane-denuded nuclei was greater than that transported from intact nuclei and ii) RNA transport from both nuclear preparations exhibited straight line Arrhenius plots. We conclude the nuclear envelope (or a nuclear matrix element) modulates the amount of RNA transported from nuclei and that nuclear membrane thermal phase transitions do not alter the apparent energy of activation for the transport process.

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