Rapid isolation of nucleoli from detergent purified nuclei of various tumor and tissue culture cells
1974
Abstract A rapid isolation procedure of nucleoli from detergent purified nuclei of some tumor and tissue culture cells is described. The procedure makes use of a non-ionic detergent, Nonidet P40 and sodium deoxycholate to purify nuclei followed by the addition of Ca 2+ or Mg 2+ to strengthen the nucleoli against sonication. Enzymatically active (with respect to nucleolar RNA polymerase) nucleoli containing undegraded nucleolar RNAs may be isolated from a mouse hepatoma MH134, Ehrlich ascites tumor, HeLa cells, L cells and C3H2K cells with this procedure.
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