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On the Emergence of Autonomous Chemical Systems through Dissipation Kinetics.
1Department of Chemistry, Ben-Gurion University of the Negev, Be'er-Sheva 8410501, Israel.
Life (Basel, Switzerland)
|November 25, 2023
Summary
Life
Area of Science:
- Biophysics
- Origin of Life Research
- Evolutionary Biology
Background:
- Life's self-organization and evolution require overcoming entropy.
- Metabolic processes are crucial for fueling life's functions and evolution.
- Understanding the origin of life necessitates linking metabolic and evolutionary dynamics.
Purpose of the Study:
- To define the kinetic requirements for self-organization and natural selection.
- To establish a fundamental principle connecting metabolism, energy, and evolution.
- To explore the physical and chemical basis for the emergence of autonomous systems.
Main Methods:
- Analysis of kinetic requirements for compensating entropic costs.
- Modeling of metabolic and evolutionary processes.
- Investigation of irreversible reaction cycles and kinetic barriers.
Main Results:
- A simple energy potential threshold is identified for natural selection.
- Darwinian behavior in systems requires specific time and energy constraints.
- Emergent Autonomous Systems (EASs) can arise from irreversible reaction cycles.
Conclusions:
- Metabolic coupling and low-entropy energy are essential for life's processes.
- Kinetic barriers are necessary to prevent reverse reactions in evolutionary cycles.
- EASs demonstrate self-maintenance and reproduction via stable kinetic state transmission, suggesting an epigenetic basis.
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