The concept of parity in nucleotides: Implications for the existence of life based on alternative alphabets

European Space Agency, (Special Publication) ESA SP

Volumn , Issue 518, 2002, Pages 99-102

  Mac Dónaill, Dónall A ^a  

^a TRINITY COLLEGE DUBLIN   (Ireland)

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ACIDS; HYDROLYSIS; OXYGEN;

NUCLEOTIDES;

BIOCHEMISTRY;

EID: 0036766391     PISSN: 03796566     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (9)

1. Mac Dónaill D. A., A Parity Code Interpretation of Nucleotide Alphabet Composition', Chem. Comm. 2062-2063 (2002).
2. Switzer C. Y., Moroney S. E. and Benner S. A., Enzymatic Incorporation of a New Base Pair into DNA and RNA, J. Am. Chem. Soc. Vol. 111, 8322-8323, 1989.
3. Moran S., Ren R., Rumney S., and Kool E. T., Difluorotoluene, a Nonpolar Isostere for Thymine, Codes Specifically and Efficiently for Adenine in DNA replication, J. Am. Chem. Soc., Vol. 119, 2056-7, 1997.
4. Picirilli J. A., et al., Enzymatic Incorporation of a New Base Pair into DNA and RNA Extends the Genetic Alphabet, Nature, Vol. 343, 33-37, 1990.
5. Szathmáry E., 4 Letters in the Genetic Alphabet - a Frozen Evolutionary Optimum, Proc. Roy. Soc. London Ser. Vol. B 245, 91-99, 1991.
6. Mac Dónaill D.A., An Error-Coding Perspective of Nucleotide Alphabet Composition, Origin of Life and Evolution of the Biosphere, accepted for publication.
7. Mac Dónaill D. A., Tautomerism as a Constraint on the Composition of Alternative Nucleotide Alphabets, Artificial Life VIII - Proceedings of The 8th International Conference on the Simulation and Synthesis of Living Systems, in press, 2002.
8. Mac Dónaill D. A., manuscript in preparation.
9. Groebke K. et al., Why Pentose- and Not Hexose-Nucleic Acids? Purine-Purine Pairing in Homo-DNA: Guanine, Isoguanine, 2,6-Diaminopurine, and Xanthine, Helv. Chim. Acta, Vol. 81, 375-474, 1998.