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The degeneracy rule of genetic code.

L F Luo1

  • 1Physics Department, Inner Mongolia University, Huhehote, China.

Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life
|January 1, 1988
PubMed
Summary

The genetic code

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • The genetic code's degeneracy and terminator distribution are fundamental to molecular biology.
  • Understanding these features is key to deciphering evolutionary constraints.

Purpose of the Study:

  • To deduce the degeneracy rules of the genetic code.
  • To explain the distribution of terminators based on evolutionary principles.

Main Methods:

  • Minimization of mutational deterioration (MD) was used as the primary analytical approach.
  • Mutational deterioration was analyzed in terms of transitional, transversional, and wobble components.

Main Results:

  • The study successfully deduced the degeneracy rules of the genetic code.
  • The distribution of terminators was explained through the minimization of mutational deterioration.
  • Aimed to determine the averaged mutational deteriorations (AMD) for various amino acids.

Conclusions:

  • The minimization of mutational deterioration provides a framework for understanding genetic code organization.
  • The degree of irreplaceability of amino acids correlates with their averaged mutational deterioration.

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