Literature DB >> 2435574

Synthesis and turnover rates of four rat liver mitochondrial RNA species.

P Cantatore, Z Flagella, F Fracasso, A M Lezza, M N Gadaleta, A de Montalvo.   

Abstract

The synthesis and turnover rates of the two 12 S and 16 S mt rRNAs and of the mt mRNAs for subunits I and III of cytochrome oxidase have been determined by measuring the kinetics of incorporation of [3H]uridine in the mtRNA of rat hepatocytes. All the RNA species examined have approximately the same turnover (t1/2 approximately 100 min) and therefore the rate of synthesis, which is about 10-times higher for the rRNAs, seems to be the factor responsible for the different mt rRNA and mRNA steady-state levels.

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Year:  1987        PMID： 2435574     DOI： 10.1016/0014-5793(87)81480-1

Source DB:  PubMed          Journal:  FEBS Lett        ISSN： 0014-5793            Impact factor:   4.124


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