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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Martin, L. Blackburn, E. H. Bruns, P. J. Katzen, A. L. |
| Abstract | A mutation that confers resistance to the drug paromomycin is shown to be in the structural gene that codes for the ribosomal RNA in Tetrahymena. This observation was made by exploiting a variant of the ribosomal DNA that distorts amplification of this locus when a new somatic nucleus develops during conjugation. Because the allelic forms of this locus have a restriction endonuclease site polymorphism, it was possible to correlate drug resistance with presence of a specific allele. The genetic results have been confirmed by sequence analysis (presented elsewhere). Thus, the crosses presented here provide a unique opportunity to identify mutations in the ribosomal DNA. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 9 |
| Volume Number | 82 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1985-06-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | DNA, Ribosomal Genetics Tetrahymena Alleles Animals DNA Restriction Enzymes Drug Resistance, Microbial Gene Amplification Genes Mutation Paromomycin Pharmacology Drug Effects Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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