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Peptide nucleic acid (PNA): a model structure for the primordial genetic material?

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It is proposed that the primordial genetic material could have been peptide nucleic acids, i.e., DNA analogues having a peptide backbone. PNA monomers based on the amino acid, alpha, gamma-diaminobutyric acid or ornithine are suggested as compounds that could have been formed in the prebiotic soup. Finally, the possibility of a PNA/RNA world is presented, in which PNA constitutes the stable genetic material, while RNA which may be polymerized using the PNA as template accounts for enzymatic activities including PNA replication.

OriginalsprogEngelsk
TidsskriftOrigins of Life and Evolution of Biospheres
Vol/bind23
Udgave nummer5-6
Sider (fra-til)323-7
Antal sider5
ISSN0169-6149
StatusUdgivet - dec. 1993

ID: 203632676