Viroids and their interactions with host cells.
D000818:Animals; D001483:Base Sequence; D002467:Cell Nucleus / Q000382:microbiology; D004247:DNA; D009693:Nucleic Acid Hybridization; D010935:Plant Diseases; D010944:Plants / Q000382:microbiology*; D014176:Protein Biosynthesis; D012319:RNA Polymerase II / Q000378:metabolism; D012326:RNA Splicing; D012367:RNA, Viral / Q000096:biosynthesis; D013698:Templates, Genetic; D014158:Transcription, Genetic; D014772:Viroids / Q000145:classification / Q000502:physiology*
D012367:RNA, Viral; D004247:DNA; D012319:RNA Polymerase II