Bone marrow ribonucleic acid polymerase. Effect of testosterone on nucleotide incorporation into nuclear RNA.

AUTOR(ES)

Valladares, L E

RESUMO

The incorporation of 3H-UTP into RNA by isolated rat bone marrow nuclei is stimulated by testosterone. This effect is hormone and tissue specific. Using alpha-amanitine and different ionic strength conditions it was found that testosterone enhances preferentially RNA polymerase I activity. The sedimentation pattern of RNA isolated from bone marrow nuclei shows that the synthesis of RNA species within the 14-30 S range is mainly stimulated by the hormone.

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