Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

A comparative analysis of frog early development.

Eugenia M del Pino¹, Michael Venegas-Ferrín, Andrés Romero-Carvajal

¹Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Avenida 12 de Octubre 1076 y Roca, Quito, Ecuador. edelpino@puce.edu.ec

Proceedings of the National Academy of Sciences of the United States of America

|July 4, 2007

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Deep learning approach to super-resolution correction of brain MRI motion artifacts for accurate hippocampal volumetry.

Scientific reports·2026

Same author

Enhanced 2-arachidonoyl glycerol-dependent CB1 activation contributes to feeding dysregulation in KK-<i>A</i> <sup><i>y</i></sup> mice.

The British journal of nutrition·2026

Same author

The origin of cichlids: The controversial phylogenomics of the convict fish, Pholidichthys leucotaenia.

Molecular phylogenetics and evolution·2026

Same author

An ALS-associated mutant SOD1 protein can be eliminated in microglia culture by selective autophagy.

Neuroscience·2026

Same author

Revisiting the role of histopathology in acute intracerebral hemorrhage: Detecting missed secondary lesions beyond neuroimaging.

Surgical neurology international·2025

Same author

Grounded expectations: stability of sensorimotor priors during vertical pointing in a virtual environment.

Journal of neurophysiology·2025

Same journal

Costunolide ameliorates autoimmune uveitis by targeting USP15 to suppress TNF-α-induced retinal endothelial inflammation.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

A ligandable PNT domain establishes ERG as a directly targetable oncogenic driver in prostate cancer.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

Identification of cellular intermediates unveils unique enzymes for flagellar glycan biosynthesis in <i>Clostridioides difficile</i>.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

The structure of correlated variability reflects task-relevant information in sensory neurons.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

Shared neurogenetic substrates of nonplanning impulsivity and procrastination.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same journal

HIV-1 capsid interactions with Nuclear Pore Complex components support nuclear entry via affinity gradient.

Proceedings of the National Academy of Sciences of the United States of America·2026

See all related articles

Frog gastrulation timing varies with developmental rate, not egg size. This study reveals distinct gastrulation and organogenesis timings across diverse frog species, highlighting modularity in development.

Area of Science:

Developmental Biology
Comparative Embryology
Amphibian Development

Background:

Xenopus laevis development serves as a benchmark for frog developmental studies.
Understanding diverse frog developmental modes requires comparative analysis.

Purpose of the Study:

To analyze frog gastrulation modes in relation to developmental rate and egg size.
To investigate variations in developmental timing across different frog species.
To utilize Lim1 antibody for comparative developmental analysis.

Main Methods:

Comparative analysis of gastrulation and organogenesis in various frog species.
Production and application of an antibody against Xenopus laevis homeodomain protein Lim1.
Observation of Lim1 expression patterns to identify key developmental events.

Related Experiment Videos

Main Results:

Gastrulation mode correlates with developmental rate, independent of egg size.
Rapidly developing frogs show overlapping archenteron/notochord elongation with involution.
Slowly developing frogs exhibit post-gastrulation elongation and convergence/extension, with Lim1 aiding dorsal axis identification.

Conclusions:

Developmental timing of gastrulation and subsequent morphogenetic events varies significantly among frog species.
The timing of archenteron and notochord elongation, and dorsal convergence/extension, is not conserved.
Observed variations support a modular model for frog gastrulation and development.