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Related Experiment Videos

Hormone signaling in evolution and development: a non-model system approach.

Andreas Heyland1, Jason Hodin, Adam M Reitzel

  • 1Department of Zoology, University of Florida, Gainesville, Florida, USA. aheyland@ufl.edu

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|December 22, 2004
PubMed
Summary

Hormonal signaling, acting as modular developmental networks, frequently coordinates life history transitions and their evolution. A comparative approach using non-model systems aids understanding hormone-driven development and evolution.

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Area of Science:

  • Evolutionary developmental biology
  • Endocrinology
  • Comparative biology

Background:

  • Genes operate in complex, modular networks crucial for development.
  • These developmental modules can be co-opted across different evolutionary contexts.
  • Hormonal signaling exhibits modularity, influencing gene and protein activity.

Purpose of the Study:

  • To review the modular nature of hormonal signaling.
  • To explore the role of hormones in coordinating life history transitions (LHTs) and their evolution (LHE).
  • To advocate for comparative, non-model system approaches in studying hormone function.

Main Methods:

  • Literature review focusing on hormonal signaling and its developmental roles.
  • Conceptual framework integrating co-option, modularity, and hormonal regulation.

Related Experiment Videos

  • Case study highlighting thyroid hormone function in echinoids.

    • Main Results:

    • Hormonal signals possess modular characteristics, enabling broad physiological and developmental effects.
    • Hormones are frequently implicated in the coordination and evolution of life history transitions.
    • Thyroid hormone in echinoids serves as a model for hormone-mediated development and evolution.

    Conclusions:

    • Hormonal signaling's modularity makes it a key player in coordinating life history transitions.
    • Comparative studies in non-model organisms are vital for understanding hormone-guided development and evolution.
    • The concept of modularity provides a useful framework for studying hormone function in evolutionary developmental biology.