The hepatitis delta (δ) virus possesses a circular RNA

  • A. Kos*
  • , R. Dijkema
  • , A. C. Arnberg
  • , P. H. Van Der Meide
  • , H. Schellekens
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Hepatitis delta (δ) virus (HDV), a satellite virus of the hepatitis B virus (HBV), causes a severe form of viral hepatitis in humans1. Here we present evidence based on electron microscopy and electrophoretic behaviour that HDV contains a single stranded circular RNA molecule. This is the first animal virus identified with a circular RNA genome. Circular RNAs have only been found in plant viruses. We have obtained a partial complementary DNA clone representing ∼25% of the total genome of HDV. Analysis of this cDNA revealed similarity to two plant viruses that may explain the origin of the virus.

Original languageEnglish
Pages (from-to)558-560
Number of pages3
JournalNature
Volume323
Issue number6088
DOIs
Publication statusPublished - 1 Dec 1986
Externally publishedYes

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