Promoter-Autonomous Functioning in a Controlled Environment using Single Molecule FISH
Promoter-Autonomous Functioning in a Controlled Environment using Single Molecule FISH
AbstractTranscription is a highly regulated biological process, initiated through the assembly of complexes at the promoter that contain both the general transcriptional machinery and promoter-specific factors. Despite the abundance of studies focusing on transcription, certain questions have remained unanswered. It is not clear how the transcriptional profile of a promoter is affected by genomic context. Also, there is no single cell method to directly compare transcriptional profiles independent of gene length and sequence. In this work, we employ a single genetic site for isolating the transcriptional kinetics of yeast promoters. Utilizing single molecule FISH, we directly compare the transcriptional activity of different promoters, considering both synthesis and cell-to-cell variability. With this approach, we provide evidence suggesting promoters autonomously encode their associated transcriptional profiles, independent of genomic locus, gene length and gene sequence.
- Albert Einstein College of Medicine United States
- University of Montreal Canada
Saccharomyces cerevisiae Proteins, Transcription, Genetic, Saccharomyces cerevisiae, Article, Galactokinase, Microscopy, Fluorescence, Genetic Loci, Promoter Regions, Genetic, Transcriptome, Heat-Shock Proteins, In Situ Hybridization, Fluorescence
Saccharomyces cerevisiae Proteins, Transcription, Genetic, Saccharomyces cerevisiae, Article, Galactokinase, Microscopy, Fluorescence, Genetic Loci, Promoter Regions, Genetic, Transcriptome, Heat-Shock Proteins, In Situ Hybridization, Fluorescence
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