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Related Concept Videos

Osmoregulation in Fishes02:32

Osmoregulation in Fishes

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When cells are placed in a hypotonic (low-salt) fluid, they can swell and burst. Meanwhile, cells in a hypertonic solution—with a higher salt concentration—can shrivel and die. How do fish cells avoid these gruesome fates in hypotonic freshwater or hypertonic seawater environments?
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Related Experiment Video

Updated: May 6, 2026

Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response
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Researchers find their Nemo.

Anthony King

    Cell
    |December 1, 2009
    PubMed
    Summary

    Zebrafish are becoming a leading model organism for research due to their nearly complete genome sequence. Their cost-effectiveness and ease of imaging in live subjects make them ideal for disease studies and drug discovery.

    Area of Science:

    • Comparative genomics
    • Developmental biology
    • Pharmacology

    Background:

    • The zebrafish (Danio rerio) has emerged as a significant model organism in biological research.
    • Advancements in genomic sequencing have enhanced its utility.
    • Its biological characteristics offer unique advantages over traditional models.

    Purpose of the Study:

    • To highlight the growing importance of zebrafish in scientific research.
    • To outline the key benefits driving the adoption of zebrafish in disease modeling and drug screening.
    • To underscore the potential of zebrafish in accelerating biomedical discoveries.

    Main Methods:

    • Genome sequencing and annotation
    • Comparative analysis with other model organisms

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  • Live imaging techniques for tissue and organ studies
  • High-throughput drug screening assays

    • Main Results:

    • The zebrafish genome is substantially sequenced, providing a comprehensive genetic resource.
    • Low maintenance costs and efficient breeding contribute to its cost-effectiveness.
    • In vivo imaging allows for real-time observation of biological processes and drug effects.
    • Zebrafish models have shown promise in studying various diseases and testing therapeutic compounds.

    Conclusions:

    • Zebrafish represent a powerful and versatile model organism for modern biological and biomedical research.
    • Their unique advantages facilitate efficient disease research and drug development pipelines.
    • Continued research with zebrafish is expected to yield significant advancements in understanding health and disease.