• DOI:10.1007/s00239-009-9279-5
Corpus ID: 22386774

An Overview of the Introns-First Theory

@article{Penny2009AnOO,
  title={An Overview of the Introns-First Theory},
  author={D. Penny and M. Hoeppner and A. Poole and D. Jeffares},
  journal={Journal of Molecular Evolution},
  year={2009},
  volume={69},
  pages={527-540}
}

D. Penny, M. Hoeppner, +1 author D. Jeffares

Published 2009

Biology, Medicine

Journal of Molecular Evolution

We review the introns-first hypothesis a decade after it was first proposed. It is that exons emerged from non-coding regions interspersed between RNA genes in an early RNA world, and is a subcomponent of a more general ‘RNA-continuity’ hypothesis. The latter is that some RNA-based systems, especially in RNA processing, are ‘relics’ that can be traced back either to the RNA world that preceded both DNA and encoded protein synthesis or to the later ribonucleoprotein (RNP) world (before DNA took… CONTINUE READING

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