SGD Paper 
Lustig A, et al. (1982) The biogenesis and regulation of yeast mitochondria RNA polymerase. J Biol Chem 257(10):5800-8
Abstract: Yeast mitochondrial RNA polymerase is a nuclear-coded protein of approximately 90,000 daltons comprised of two 45,000-dalton subunits of pI 6.9 to 7.0. To investigate the nature of the initial translation product of the RNA polymerase, we have analyzed those products of a cell-free translation system directed by yeast RNA that are immunoreactive with antibodies to the 45,000-dalton peptide of polymerase. A precursor of one or more of the subunits of the polymerase, 2,000 daltons later than the mature product, has been characterized using immunoreaction, immunocompetition, and peptide digestion. The role of transcription of the polymerase gene in catabolite repression of mitochondrial development has been investigated by analyzing the changes in cell-free synthesis of the RNA polymerase precursor during glucose and raffinose growth. The results indicate an increase in precursor synthesis and probably in the corresponding transcript abundance during glucose derepression. In contrast, the precursor is present at high levels until stationary phase during raffinose growth. These data indicate the involvement of increased transcription of the polymerase gene in the process of derepression.
| Status: Published | Type: Journal Article | PubMed ID: 7040374 |
Topics addressed in this paper
Number of different genes curated to this paper: 2
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