Viroids: Survivors from the RNA World?

Viroid A new review in Annual Review of Microbiology gives an excellent introduction to viroids.

Contents:

  • Introduction: Why The Need For An RNA World?
  • Viroids: Essential Features
  • Discovery of a Subviral World
  • Structure: Small Circular RNAs with Compact Folding
  • Replication: Rolling-Circle Mechanism Catalyzed by Enzymes and Ribozymes
  • Sequence Diversity
  • Viroid-Related Replicons
  • Viroid-Like Satellite RNAs
  • Retroviroid-Like Elements
  • Hepatitis δ virus
  • Why Are Viroids And Viroid-Related Replicons Regarded As Survivors Of The RNA World?
  • Early Speculations on the Origin of Viroids
  • Circular RNAs: Relics of Precellular Evolution?
  • Viroid-Related Replicons
  • Summary

 

Viroids: Survivors from the RNA World? (2014) Annual Review of Microbiology, 68(1): 395-414. doi: 10.1146/annurev-micro-091313-103416

 

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