ArticlePLoS genetics2017
Gene duplication and co-evolution of G1/S transcription factor specificity in fungi are essential for optimizing cell fitness.
Article in PLoS genetics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
- Deletion of theMicrobiology spectrum · 2021Article
- Regulation of sphingolipid synthesis by the G1/S transcription factor Swi4.Biochimica et biophysica acta. Molecular and cell biology of lipids · 2021Article
- Gcn5 and Rpd3 have a limited role in the regulation of cell cycle transcripts during the G1 and S phases in Saccharomyces cerevisiae.Scientific reports · 2019Article
- Extensive loss of cell-cycle and DNA repair genes in an ancient lineage of bipolar budding yeasts.PLoS biology · 2019Article
- Marker-free genetic manipulations in yeast using CRISPR/CAS9 system.Current genetics · 2018Article
- The evolution of a G1/S transcriptional network in yeasts.Current genetics · 2018Review
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Authors and funding
8 authors at 3 institutions in 3 countries.
Funding
Abstract
Transcriptional regulatory networks play a central role in optimizing cell survival. How DNA binding domains and cis-regulatory DNA binding sequences have co-evolved to allow the expansion of transcriptional networks and how this contributes to cellular fitness remains unclear. Here we experimentally explore how the complex G1/S transcriptional network evolved in the budding yeast Saccharomyces cerevisiae by examining different chimeric transcription factor (TF) complexes. Over 200 G1/S genes are regulated by either one of the two TF complexes, SBF and MBF, which bind to specific DNA binding sequences, SCB and MCB, respectively. The difference in size and complexity of the G1/S transcriptional network across yeast species makes it well suited to investigate how TF paralogs (SBF and MBF) and DNA binding sequences (SCB and MCB) co-evolved after gene duplication to rewire and expand the network of G1/S target genes. Our data suggests that whilst SBF is the likely ancestral regulatory complex, the ancestral DNA binding element is more MCB-like. G1/S network expansion took place by both cis- and trans- co-evolutionary changes in closely related but distinct regulatory sequences. Replacement of the endogenous SBF DNA-binding domain (DBD) with that from more distantly related fungi leads to a contraction of the SBF-regulated G1/S network in budding yeast, which also correlates with increased defects in cell growth, cell size, and proliferation.
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