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Related Experiment Video

Updated: Mar 26, 2026

Functional Evaluation of Olfactory Pathways in Living Xenopus Tadpoles
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Frogs as integrative models for understanding digestive organ development and evolution.

Mandy Womble1, Melissa Pickett1, Nanette Nascone-Yoder1

  • 1Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, NC 27607, United States.

Seminars in Cell & Developmental Biology
|February 7, 2016
PubMed
Summary

Frog embryos offer unique insights into digestive organ development and evolution. Studies in Xenopus laevis and other frog species reveal molecular dynamics and evolutionary mechanisms shaping gut anatomy across diverse diets.

Keywords:
Eleutherodactylous coquiEmbryoEvolutionGutLepidobatrachusMorphogenesisSpecificationXenopus

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Area of Science:

  • Developmental Biology
  • Evolutionary Biology
  • Comparative Anatomy

Background:

  • Digestive system development is crucial for nutrient assimilation and energy acquisition.
  • While digestive organ function is conserved, gut anatomy varies significantly across species, particularly with diet.
  • Understanding digestive organ development is vital for regenerative medicine, birth defect etiology, and evolutionary studies.

Purpose of the Study:

  • To highlight how Xenopus laevis embryos illuminate molecular and cellular dynamics in digestive organ patterning and morphogenesis.
  • To discuss evolutionary mechanisms driving digestive tract morphological variation using non-model frog species.
  • To underscore the utility of frog embryos as integrative models for studying digestive organ development.

Main Methods:

  • Utilizing Xenopus laevis embryos for detailed investigation of digestive organ development.
  • Analyzing gut development in non-model frog species (Lepidobatrachus laevis, Eleutherodactylous coqui) with distinct feeding strategies.
  • Comparative analysis of molecular and cellular events in digestive organ morphogenesis.

Main Results:

  • Xenopus laevis embryos provide insights into digestive organ patterning and morphogenesis difficult to obtain in other models.
  • Studies in non-model frogs reveal potential evolutionary mechanisms for digestive tract variation.
  • Frog embryos demonstrate experimental versatility for cross-disciplinary digestive development research.

Conclusions:

  • Frog embryos are powerful models for dissecting the molecular and cellular basis of digestive organ development.
  • Comparative studies in frogs offer crucial perspectives on the evolution of digestive anatomy.
  • The experimental tractability of frog embryos facilitates integrative approaches to developmental and evolutionary biology.