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| Content Provider | PubMed Central |
|---|---|
| Author | Vaughn, J. C. Sperbeck, S. J. Ramsey, W. J. Lawrence, C. B. |
| Abstract | The phylogenetic approach (ref. 1) has been utilized in construction of a universal 5.8S rRNA secondary structure model, in which about 65% of the residues exist in paired structures. Conserved nucleotides primarily occupy unpaired regions. Multiple compensating base changes are demonstrated to be present in each of the five postulated helices, thereby forming a major basis for their proof. The results of chemical and enzymatic probing of 5.8S rRNAs (ref. 13, 32) are fully consistent with, and support, our model. This model differs in several ways from recently proposed 5.8S rRNA models (ref. 3, 4), which are discussed. Each of the helices in our model has been extended to the corresponding bacterial, chloroplast and mitochondrial sequences, which are demonstrated to be positionally conserved by alignment with their eukaryotic counterparts. This extension is also made for the base paired 5.8S/28S contact points, and their prokaryotic and organelle counterparts. The demonstrated identity of secondary structure in these diverse molecules strongly suggests that they perform equivalent functions in prokaryotic and eukaryotic ribosomes. |
| Starting Page | 7479 |
| File Format | |
| ISSN | 13624962 |
| e-ISSN | 13624962 |
| Journal | Nucleic Acids Research |
| Issue Number | 19 |
| Volume Number | 12 |
| Language | English |
| Publisher Date | 1984-10-11 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics |
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