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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Laurent, B. C. Treitel, M. A. Carlson, M. |
| Description | Author Affiliation: Laurent BC ( Department of Genetics and Development, Columbia University College of Physicians and Surgeons, New York, NY 10032.); |
| Abstract | The SNF2, SNF5, and SNF6 genes of Saccharomyces cerevisiae are required for expression of a variety of differently regulated genes. Previous evidence implicated the SNF5 protein in transcriptional activation, and a DNA-bound LexA-SNF5 fusion protein was shown to activate expression of a nearby promoter. Here, we examine the functional relationship of the SNF2, SNF5, and SNF6 proteins. Activation by DNA-bound LexA-SNF5 fusion protein was greatly reduced in snf2 and snf6 mutants, indicating that activation by LexA-SNF5 requires SNF2 and SNF6 function. An spt6 mutation, which suppresses transcriptional defects caused by snf2, restored activation by LexA-SNF5 in a snf2 mutant. The SNF2 gene was sequenced and encodes a 194-kDa protein that is targeted to the nucleus. DNA-bound LexA-SNF2 fusion protein also activated transcription, dependent on SNF5 and SNF6. These findings suggest that SNF2, SNF5, and SNF6 function interdependently in transcriptional activation, possibly forming a heteromeric complex. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 7 |
| Volume Number | 88 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1991-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | DNA-Binding Proteins Genetics Gene Expression Regulation, Fungal Genes, Fungal Nuclear Proteins Saccharomyces Cerevisiae Transcription Factors Transcription, Genetic Adenosine Triphosphatases Amino Acid Sequence Cell Nucleus Metabolism DNA, Fungal Isolation & Purification Genotype Molecular Sequence Data Plasmids Recombinant Fusion Proteins Restriction Mapping Saccharomyces Cerevisiae Proteins Beta-Galactosidase Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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