title: Visualization of rDNA spacer transcription in Xenopus oocytes treated with fluorouridine.
mesh_terms: D000818:Animals; D002466:Cell Nucleolus / Q000648:ultrastructure; D002843:Chromatin / Q000187:drug effects* / Q000648:ultrastructure; D004247:DNA / Q000235:genetics*; D005260:Female; D009865:Oocytes / Q000187:drug effects* / Q000648:ultrastructure; D010063:Ovum / Q000187:drug effects*; D014158:Transcription, Genetic / Q000187:drug effects*; D014529:Uridine / Q000031:analogs & derivatives* / Q000494:pharmacology; D014981:Xenopus / Q000033:anatomy & histology*
chemical_list: D002843:Chromatin; D004247:DNA; D014529:Uridine