| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Simonis, Nicolas van Helden, Jacques Cohen, George N Wodak, Shoshana J |
| Abstract | Background Multiprotein complexes play an essential role in many cellular processes. But our knowledge of the mechanism of their formation, regulation and lifetimes is very limited. We investigated transcriptional regulation of protein complexes in yeast using two approaches. First, known regulons, manually curated or identified by genome-wide screens, were mapped onto the components of multiprotein complexes. The complexes comprised manually curated ones and those characterized by high-throughput analyses. Second, putative regulatory sequence motifs were identified in the upstream regions of the genes involved in individual complexes and regulons were predicted on the basis of these motifs. Results Only a very small fraction of the analyzed complexes (5-6%) have subsets of their components mapping onto known regulons. Likewise, regulatory motifs are detected in only about 8-15% of the complexes, and in those, about half of the components are on average part of predicted regulons. In the manually curated complexes, the so-called 'permanent' assemblies have a larger fraction of their components belonging to putative regulons than 'transient' complexes. For the noisier set of complexes identified by high-throughput screens, valuable insights are obtained into the function and regulation of individual genes. Conclusions A small fraction of the known multiprotein complexes in yeast seems to have at least a subset of their components co-regulated on the transcriptional level. Preliminary analysis of the regulatory motifs for these components suggests that the corresponding genes are likely to be co-regulated either together or in smaller subgroups, indicating that transcriptionally regulated modules might exist within complexes. |
| Related Links | https://genomebiology.biomedcentral.com/counter/pdf/10.1186/gb-2004-5-5-r33.pdf |
| Ending Page | 22 |
| Page Count | 22 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1186/gb-2004-5-5-r33 |
| Journal | Genome Biology |
| Issue Number | 5 |
| Volume Number | 5 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2004-04-30 |
| Access Restriction | Open |
| Subject Keyword | Animal Genetics and Genomics Human Genetics Plant Genetics and Genomics Microbial Genetics and Genomics Bioinformatics Evolutionary Biology Additional Data File Regulon Multiprotein Complex Permanent Complex Tandem Affinity Purification |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biotechnology Genetics |
| Journal Impact Factor | 10.1/2023 |
| 5-Year Journal Impact Factor | 16.5/2023 |
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