Title |
The scenario on the origin of translation in the RNA world: in principle of replication parsimony
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Published in |
Biology Direct, November 2010
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DOI | 10.1186/1745-6150-5-65 |
Pubmed ID | |
Authors |
Wentao Ma |
Abstract |
It is now believed that in the origin of life, proteins should have been "invented" in an RNA world. However, due to the complexity of a possible RNA-based proto-translation system, this evolving process seems quite complicated and the associated scenario remains very blurry. Considering that RNA can bind amino acids with specificity, it has been reasonably supposed that initial peptides might have been synthesized on "RNA templates" containing multiple amino acid binding sites. This "Direct RNA Template (DRT)" mechanism is attractive because it should be the simplest mechanism for RNA to synthesize peptides, thus very likely to have been adopted initially in the RNA world. Then, how this mechanism could develop into a proto-translation system mechanism is an interesting problem. |
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