- Poster presentation
- Open Access
Set theoretical and algebraic model for redundancies in the genetic code
BMC Systems Biologyvolume 1, Article number: P34 (2007)
Codons are similar to syllogisms. Each codon has a complement – an anticodon – and syllogisms have such too. Another point is that codons and syllogisms consist of 3 of 4 possible building blocks. So 64 syllogisms should exist, but only 19 make sense. Each syllogism is a set operation, which I can represent with Shegalkin-Polynomials . This needs a continuous view, which is ordinary in biological systems. It accrues matrices with special properties. They are self-similar, that means they can be generated with a tensor product of their own. Other methods work with power sets or multidimensional tetrahedral numbers. Because of these different generation methods it can be shown, that the matrices can be generated with a cellular automaton. Each cellular automaton is producible with a linear automaton [2–7], so there is an other aspect of dependence of the this model and decoding of amino acids. The decoding of amino acids follows the rules of a linear automaton. In order to combine the fields of syllogisms and amino acids a different representation for them is used – a tetrahedral grid. This is possible, because the number of syllogisms and amino acids is not only a square number, it is also a triangle number. Prof. Dr. Franke's matrices  let me construct such a grid, because of their structure of a Pascal triangle.
My work shows the existence of bijective mappings between syllogisms and amino acids (see Figures 1 and 2). This is discernible with the tetrahedral grid. The smaller triangles in the grid can not be ordered arbitrarily without losing information. It follows because of triangle rotations. Nevertheless the triangles of redundant coded amino acids with degeneracy 6 (arginine, leucine and serine) seem to be ordered arbitrarily in the grid. Their distribution in the grid fits to model of family boxes [9, 10] and to a dynamical model by Magini and Hornos . My model has some other similarities with the last one; for example a basic approach with a Platonic solid (tetrahedron and octahedron). Mathematical invalid syllogisms are very important in my model too, because in strong logics they do not work every time, but they are useful in biology.
The bijective mapping could explain Prof. Dr. Freeland's presumption , that fewer amino acids existed in the past. Mathematical invalid syllogisms are very interesting here. But the further work is also going to aim on a more intensive test of the position of the amino acids and syllogisms. The positions seem to have something in common with chemical properties. This would help to explain that amino acids, which drift from the genetic code, have similar chemical properties i.e. hydrophobia. Prof. Dr. Freeland wrote about this  too. Shegalkin-Polynomials shall be used here.
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