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Related Experiment Videos

Marmoset evolution: the molecular evidence.

J E Cronin, V M Sarich

    Primates in Medicine
    |January 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    New World monkeys share ancient ancestry with Catarrhini, diverging 35-40 million years ago. Their own diverse lineages radiated from the early Miocene, with marmosets emerging 7-10 million years ago.

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    Area of Science:

    • Primatology
    • Molecular Evolution
    • Immunology

    Background:

    • New World monkeys represent a diverse primate group with debated evolutionary origins.
    • Understanding their phylogenetic relationships is crucial for primate evolution studies.

    Purpose of the Study:

    • To investigate the evolutionary relationships and divergence times of New World monkey lineages.
    • To compare serum proteins using immunological and electrophoretic methods.

    Main Methods:

    • Comparative immunological studies of serum proteins.
    • Electrophoretic analysis of serum proteins.
    • Phylogenetic analysis based on molecular data.

    Main Results:

    • New World monkeys share a common ancestor with Catarrhini, diverging 35-40 million years ago.

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  • Seven distinct New World monkey lineages identified: Aotus, Callicebus, Cebus, Saimiri, Ateles-Lagothrix-Alouatta, Pithecia-Cacajao, and Callimico-Callithrix-Cebuella-Saguinus-Leontideus.
  • Marmoset radiation initiated 7-10 million years ago.

    • Conclusions:

    • The study clarifies the deep evolutionary history and diversification patterns of New World monkeys.
    • Immunological and electrophoretic data support distinct lineage radiations within New World primates.