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Physical, Chemical and Biological Characterization of Six Biochars Produced for the Remediation of Contaminated Sites
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Physical foundations of biological complexity.

Yuri I Wolf1, Mikhail I Katsnelson2, Eugene V Koonin3

  • 1National Center for Biotechnology Information, National Library of Medicine, Bethesda, MD 20894.

Proceedings of the National Academy of Sciences of the United States of America
|August 29, 2018
PubMed
Summary
This summary is machine-generated.

Frustration from competing interactions drives biological complexity. This concept, linking frustrated states and self-organized criticality (SOC), explains evolutionary transitions from simple systems to complex life.

Keywords:
competing interactionsevolution of complexityfrustrated statesself-organized criticalityspin glasses

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Area of Science:

  • Physics
  • Evolutionary Biology
  • Complex Systems

Background:

  • Biological systems exhibit hierarchical complexity unparalleled in non-biological systems.
  • Understanding the physical basis for biological complexity evolution remains a challenge.
  • Existing theories include frustrated states in glass-like media and self-organized criticality (SOC).

Purpose of the Study:

  • To explore the physical foundation for the origin and evolution of biological complexity.
  • To unify the theories of frustrated states and self-organized criticality (SOC) in explaining biological complexity.
  • To identify the driving forces behind the emergence of complexity in biological evolution.

Main Methods:

  • Investigating the interface between frustrated states theory and self-organized criticality (SOC).
  • Analyzing the role of competing interactions at different organizational levels in biological systems.
  • Extending the perspective from glassy systems to major evolutionary transitions.

Main Results:

  • Self-organized criticality (SOC) emerges in high-dimensional spin-glass systems.
  • SOC is considered a key physical description for evolutionary transitions in biology.
  • Frustration, caused by competing interactions, triggers the emergence of complexity and leads to SOC, creating optimal conditions for complexity.

Conclusions:

  • Competing interactions and frustrated states are fundamental to biological organization and resource competition.
  • Frustration in multidimensional systems is proposed as a general driving force for complexity.
  • This framework applies to phenomena ranging from glasses to major evolutionary events in biology.