TOP1

  • 1 lab in 1 country
  • Funders: National Cancer Institute and 5 more
  • Cells1

Effects

2

Epigenetic regulation of gene expression

downin yeast cells1

1 study
  1. TOP1 decreases epigenetic regulation of gene expression in yeast cells.

    “Loss of Sir2 from the rDNA via the overexpression of catalytically dead Top1 decreases RNA Pol II silencing of a reporter gene inside or adjacent to the rDNA”

    Cellsoverexpression of catalytically dead Top1

    Age-dependent topoisomerase I depletion alters recruitment of rDNA silencing complexes

    The Journal of biological chemistry17 Dec 2025

More on Epigenetic regulation of gene expression

Replicative lifespan

downin yeast cells1

1 study
  1. TOP1 shortens replicative lifespan in yeast cells.

    “rescue of this age-dependent depletion is harmful to replicative lifespan”

    Cellsoverexpression of Top1

    Age-dependent topoisomerase I depletion alters recruitment of rDNA silencing complexes

    The Journal of biological chemistry17 Dec 2025

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