Lie superalgebras and the multiplet structure of the genetic code. I: Codon representations. (English) Zbl 1055.92035
Summary: It has been proposed by J.E.M. Hornos and Y.M.M. Hornos [Phys. Rev. Lett. 71, 4401–4404 (1993)] that the degeneracy of the genetic code, i.e., the phenomenon that different codons (base triplets) of DNA are transcribed into the same amino acid, may be interpreted as the result of a symmetry breaking process. In their work, this picture was developed in the framework of simple Lie algebras. Here, we explore the possibility of explaining the degeneracy of the genetic code using basic classical Lie superalgebras, whose representation theory is sufficiently well understood, at least as far as typical representations are concerned. In the present paper, we give the complete list of all typical codon representations (typical 64-dimensional irreducible representations), whereas in the second part, we shall present the corresponding branching rules and discuss which of them reproduce the multiplet structure of the genetic code. For Part II, see the following review (Zbl 1055.92036).
MSC:
| 92D10 | Genetics and epigenetics |
| 17B99 | Lie algebras and Lie superalgebras |
| 92D20 | Protein sequences, DNA sequences |
Citations:
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