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Metabolic microspheres: origins and evolution

S W Fox

    Die Naturwissenschaften
    |August 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Early protocells, formed from thermal proteinoids, were biochemically competent, suggesting metabolism evolved from self-instructional molecular processes and natural selection. This expands theories on organismic evolution.

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    Area of Science:

    • Origin of life studies
    • Biochemistry
    • Evolutionary biology

    Background:

    • Understanding the origins of metabolism is crucial for deciphering early life.
    • Protocells are considered key precursors to cellular life.
    • Previous models often viewed early metabolic systems as rudimentary.

    Purpose of the Study:

    • To review catalytic activities in thermal proteinoids and microspheres.
    • To infer the origins and evolution of metabolism.
    • To explore the biochemical competence of early protocells.

    Main Methods:

    • Systematic review of existing experimental data.
    • Analysis of catalytic activities in proteinoids and microspheres.
    • Conceptual tracing of metabolic emergence.

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    Main Results:

    • Thermal proteinoids and aggregated microspheres exhibit significant catalytic activities.
    • Protocells were biochemically and cytophysically competent from inception.
    • Metabolism likely emerged ab initio through self-instructional processes.

    Conclusions:

    • Metabolism's origin is linked to molecular self-instruction and natural selection.
    • Early protocells possessed inherent capabilities for biochemical processes.
    • This research refines theories on the evolution of life, including saltational changes.