doi: 10.1073/pnas.83.5.1271.
Speculations on the early course of evolution
- PMID: 2419905
- PMCID: PMC323057
- DOI: 10.1073/pnas.83.5.1271
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Speculations on the early course of evolution
Proc Natl Acad Sci U S A.
1986 Mar.
Abstract
The proposal that RNA preceded DNA in evolution is more than 15 years old. In light of recent studies on RNA processing (including protein-free reactions), present knowledge about eukaryotic gene structure, and studies comparing ribosomal RNA sequences, we propose a train of events for precellular and early cellular evolution.
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