title: Accumulation of replicons in Tetrahymena.
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D004261:DNA Replication / Q000187:drug effects; D006918:Hydroxyurea / Q000494:pharmacology; D008970:Molecular Weight; D013769:Tetrahymena pyriformis / Q000187:drug effects / Q000378:metabolism*
chemical_list: D006918:Hydroxyurea