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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Munding, Elizabeth M. Igel, A. Haller Shiue, Lily Dorighi, Kristel M. Treviño, Lisa R. Ares, Manuel |
| Description | Country affiliation: United States Author Affiliation: Munding EM ( Center for Molecular Biology of RNA, Department of Molecular, Cell, and Developmental Biology, University of California at Santa Cruz, 95064, USA.) |
| Abstract | Splicing regulatory networks are essential components of eukaryotic gene expression programs, yet little is known about how they are integrated with transcriptional regulatory networks into coherent gene expression programs. Here we define the MER1 splicing regulatory network and examine its role in the gene expression program during meiosis in budding yeast. Mer1p splicing factor promotes splicing of just four pre-mRNAs. All four Mer1p-responsive genes also require Nam8p for splicing activation by Mer1p; however, other genes require Nam8p but not Mer1p, exposing an overlapping meiotic splicing network controlled by Nam8p. MER1 mRNA and three of the four Mer1p substrate pre-mRNAs are induced by the transcriptional regulator Ume6p. This unusual arrangement delays expression of Mer1p-responsive genes relative to other genes under Ume6p control. Products of Mer1p-responsive genes are required for initiating and completing recombination and for activation of Ndt80p, the activator of the transcriptional network required for subsequent steps in the program. Thus, the MER1 splicing regulatory network mediates the dependent relationship between the UME6 and NDT80 transcriptional regulatory networks in the meiotic gene expression program. This study reveals how splicing regulatory networks can be interlaced with transcriptional regulatory networks in eukaryotic gene expression programs. |
| File Format | HTM / HTML |
| ISSN | 08909369 |
| e-ISSN | 15495477 |
| DOI | 10.1101/gad.1977410 |
| Journal | Genes & Development |
| Issue Number | 23 |
| Volume Number | 24 |
| Language | English |
| Publisher | Cold Spring Harbor Laboratory Press |
| Publisher Date | 2010-12-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Molecular Discipline Biology__semicolon__developmental Discipline Biology__semicolon__genetics__semicolon__cell Discipline Biology Gene Expression Regulation, Fungal Rna Splicing Saccharomyces Cerevisiae Genetics Metabolism Epistasis, Genetic Gene Deletion Genome, Fungal Introns Meiosis Rna-binding Proteins Saccharomyces Cerevisiae Proteins Research Support, N.i.h., Extramural |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Developmental Biology |
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