Abstract
SYNTHESIS of ribosomal RNA and its transfer to the cytoplasm have been implicated repeatedly in the processing and transport of informational RNA and the regulation of enzyme activities1–4. We have studied the involvement of rRNA in the RNA synthesis-dependent induction of the microsomal enzyme, aryl hydrocarbon hydroxylase5; the activity of this mixed-function oxygenase in mammalian tissues and in cells in culture increases many-fold after a few hours exposure to a polycyclic hydrocarbon5–10. The induction process requires de novo protein synthesis and DNA-dependent RNA synthesis5,9,11 and can be influenced by post-transcriptional regulatory mechanisms9,12.
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WIEBEL, F., BADER, J. & GELBOIN, H. Enzyme induction in mammalian cells defective in 28S ribosomal RNA formation. Nature 259, 331–333 (1976). https://doi.org/10.1038/259331a0
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DOI: https://doi.org/10.1038/259331a0
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