Toward understanding the emergence of life: A dual function of the system of nucleotides in the metabolically closed autopoietic organization. Igamberdiev, A. U. & Kleczkowski, L. A. Biosystems, 224:104837, February, 2023. ![Toward understanding the emergence of life: A dual function of the system of nucleotides in the metabolically closed autopoietic organization [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex General structure of metabolism includes the reproduction of catalysts that govern metabolism. In this structure, the system becomes autopoietic in the sense of Maturana and Varela, and it is closed to efficient causation as defined by Robert Rosen. The autopoietic maintenance and operation of the catalysts takes place via the set of free nucleotides while the synthesis of catalysts occurs via the information encoded by the set of nucleotides arranged in polymers of RNA and DNA. Both energy charge and genetic information use the components of the same pool of nucleoside triphosphates, which is equilibrated by thermodynamic buffering enzymes such as nucleoside diphosphate kinase and adenylate kinase. This occurs in a way that the system becomes internally stable and metabolically closed, which initially could be realized at the level of ribozymes catalyzing basic metabolic reactions as well as own reproduction. The function of ATP, GTP, UTP, and CTP is dual, as these species participate both in the general metabolism as free nucleotides and in the transfer of genetic information via covalent polymerization to nucleic acids. The changes in their pools directly impact both bioenergetic pathways and nucleic acid turnover. Here we outline the concept of metabolic closure of biosystems grounded in the dual function of nucleotide coenzymes that serve both as energetic and informational molecules and through this duality generate the autopoietic performance and the ability for codepoietic evolutionary transformations of living systems starting from the emergence of prebiotic systems.
@article{igamberdiev_toward_2023,
title = {Toward understanding the emergence of life: {A} dual function of the system of nucleotides in the metabolically closed autopoietic organization},
volume = {224},
issn = {0303-2647},
shorttitle = {Toward understanding the emergence of life},
url = {https://www.sciencedirect.com/science/article/pii/S0303264723000126},
doi = {10.1016/j.biosystems.2023.104837},
abstract = {General structure of metabolism includes the reproduction of catalysts that govern metabolism. In this structure, the system becomes autopoietic in the sense of Maturana and Varela, and it is closed to efficient causation as defined by Robert Rosen. The autopoietic maintenance and operation of the catalysts takes place via the set of free nucleotides while the synthesis of catalysts occurs via the information encoded by the set of nucleotides arranged in polymers of RNA and DNA. Both energy charge and genetic information use the components of the same pool of nucleoside triphosphates, which is equilibrated by thermodynamic buffering enzymes such as nucleoside diphosphate kinase and adenylate kinase. This occurs in a way that the system becomes internally stable and metabolically closed, which initially could be realized at the level of ribozymes catalyzing basic metabolic reactions as well as own reproduction. The function of ATP, GTP, UTP, and CTP is dual, as these species participate both in the general metabolism as free nucleotides and in the transfer of genetic information via covalent polymerization to nucleic acids. The changes in their pools directly impact both bioenergetic pathways and nucleic acid turnover. Here we outline the concept of metabolic closure of biosystems grounded in the dual function of nucleotide coenzymes that serve both as energetic and informational molecules and through this duality generate the autopoietic performance and the ability for codepoietic evolutionary transformations of living systems starting from the emergence of prebiotic systems.},
language = {en},
urldate = {2023-01-20},
journal = {Biosystems},
author = {Igamberdiev, Abir U. and Kleczkowski, Leszek A.},
month = feb,
year = {2023},
keywords = {Autopoiesis, Codepoiesis, Coenzyme, Metabolic closure, Nucleoside triphosphates, Ribozymes, Thermodynamic buffering},
pages = {104837},
}
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