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The evosystem: A centerpiece for evolutionary studies.

François Papale1,2, Fabrice Not3, Éric Bapteste4

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This study introduces the "evosystem" concept to broaden evolutionary science, encompassing interactions and environmental changes. This new framework helps understand complex evolutionary processes, like antimicrobial resistance, for contemporary challenges.

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Area of Science:

  • Evolutionary biology
  • Theoretical biology

Background:

  • Traditional evolutionary explanations focus on populations, lineages, and species.
  • A unified framework is needed to integrate diverse evolutionary processes across scales.

Purpose of the Study:

  • To redefine the target of evolutionary explanations by introducing the "evosystem" concept.
  • To propose a unified framework for evolutionary studies encompassing multiple scales and processes.

Main Methods:

  • Conceptual redefinition of evolutionary units.
  • Integration of heritable variation, interaction networks, and environmental changes.
  • Application to a case study of antimicrobial resistance evolution.

Main Results:

  • The "evosystem" framework accounts for changes within and between populations, and with the abiotic environment.
  • This broadened perspective integrates various evolutionary processes (natural selection, drift, etc.) within a single model.
  • The evosystem concept provides a tool for analyzing complex evolutionary phenomena.

Conclusions:

  • The evosystem offers a comprehensive unit for evolutionary studies, moving beyond traditional populations and lineages.
  • This redefined framework is crucial for understanding and addressing contemporary challenges, such as antimicrobial resistance.
  • Evolutionary studies, utilizing the evosystem concept, can provide insights into socially relevant issues.