出典:Wikipedia
出典:『Wikipedia』 (2010/11/03 19:03 UTC 版)
The Avsunviroidae are a family of viroids. At present three members are known of. They consist of RNA genomes between 246-375 nucleotides in length. They are single stranded covalent circles and have intramolecular base pairing. All members lack a central conserved region.