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Model species in evo-devo: a philosophical perspective.

Jessica A Bolker1

  • 1Department of Biological Sciences, University of New Hampshire, Durham, NH, 03824, USA.

Evolution & Development
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Summary
This summary is machine-generated.

Biological model organisms like Drosophila and zebrafish are crucial for research but may not suit all evolutionary developmental biology (evo-devo) questions. An epistemological approach helps select appropriate models for specific research needs.

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Area of Science:

  • Developmental Biology
  • Evolutionary Biology
  • Philosophy of Science

Background:

  • Model organisms are essential platforms for biological research, particularly in developmental biology.
  • Established models like Drosophila, mouse, C. elegans, Arabidopsis, and zebrafish have yielded deep insights into fundamental genes and mechanisms.
  • The use of model species raises epistemological questions about similarity, generalization, and the trade-off between representational accuracy and experimental accessibility.

Purpose of the Study:

  • To examine the epistemological considerations in selecting and utilizing model organisms in biological research.
  • To address the limitations of current core models in developmental biology for addressing evolutionary developmental biology (evo-devo) questions.
  • To propose an epistemological framework for evaluating existing and emerging models in evo-devo research.

Main Methods:

  • Conceptual analysis of epistemological issues related to model organism use.
  • Review of established and emerging model systems in developmental and evolutionary biology.
  • Application of philosophical principles to assess model organism utility and selection criteria.

Main Results:

  • The power and suitability of a model organism are highly context-dependent.
  • Core developmental biology models may be insufficient for addressing complex evo-devo questions.
  • An epistemological perspective reveals the complementary roles of different model systems.

Conclusions:

  • Selecting appropriate model organisms requires careful consideration of epistemological factors.
  • Emerging models may be necessary to complement established ones for specific research aims, especially in evo-devo.
  • An epistemological framework can guide the strategic selection and development of new model systems for biological research.