Dynamic Self-organization in an Open Reaction Network as a Fundamental Mechanism for the Emergence of Life
2021
The
emergence of life on the earth has attracted intense attention but the
mechanism of it still remains an unsolved question. A key problem is that it
has been left unclear why a living organism, which is regarded as an open
reaction system, can demonstrate dynamic self-organization leading to
highly-ordered structures and adaptive and evolutionary behavior. This paper shows
by computer simulation that an open reaction network, which is characterized
as a network of flexible constituent elements and irreversible processes, is converted to a
self-organized system with adaptive and evolutionary ability when it has reached
a fully-balanced stationary state. Strikingly, this result
indicates that dynamic self-organization
spontaneously emerges in a prebiotic chemical system placed under constant
thermodynamic forces according to the second law of thermodynamics, not against it. The dynamic self-organization has potential for
producing highly ordered chemical structures through evolution and is expected
to have played a fundamental role in
the emergence of life on the primitive earth.
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