A public goods approach to major evolutionary innovations

Area of Science:

• Evolutionary biology
• Ecology
• Genetics

Background:

• Major evolutionary transitions (METs) are key events in life's history.
• Previous research focused on genetic, ecological, or geological factors independently.
• Understanding METs requires examining interactions between environmental, ecological, and genetic changes.

Purpose of the Study:

• To propose biological public goods as a unifying concept for understanding METs.
• To explore how public goods mediate interactions driving evolutionary change.
• To emphasize the role of organisms in actively shaping their evolutionary trajectories.

Main Methods:

• Conceptual framework development.
• Literature synthesis integrating genetics, ecology, and evolutionary theory.
• Analysis of biological public goods as non-excludable and non-rivalrous entities.

Main Results:

• Biological public goods can act as a currency for interactions driving METs.
• Public goods contribute to generating evolutionary variation (e.g., horizontal gene transfer).
• Public goods facilitate the creation of new ecological niches (e.g., oxygenation).

Conclusions:

• Public goods highlight how organisms actively construct their evolutionary opportunities.
• The concept of public goods offers a new perspective on the mechanisms underlying METs.
• Public goods may have played a crucial role in facilitating major evolutionary transitions throughout history.