Development of Zebrafish Head Muscles
Author Information
Author(s): Diogo Rui, Hinits Yaniv, Hughes Simon M
Primary Institution: MRC Centre for Developmental Neurobiology and Randall Division for Cell and Molecular Biophysics, King's College London
Hypothesis
How do the mandibular, hyoid and hypobranchial muscles of zebrafish develop until they reach their adult form?
Conclusion
The zebrafish is a suitable representative for studying the evolution of cranial muscles in bony fishes and tetrapods.
Supporting Evidence
- Zebrafish muscles develop similarly to those in other bony fishes and tetrapods.
- All 13 muscles found in adult zebrafish are present in at least some other living teleosts.
- About half of these muscles can be identified in extant sarcopterygian fishes.
Takeaway
This study looks at how zebrafish muscles in the head grow and change as they get older, helping us understand fish and animal evolution.
Methodology
Zebrafish were reared and examined at various developmental stages, with muscle configurations analyzed through dissection and immunohistochemistry.
Limitations
The study primarily focuses on zebrafish and may not fully represent all osteichthyans.
Participant Demographics
Zebrafish of various developmental stages (4-d, 9-d, 14-d, 24-d, and 35-d) were used.
Digital Object Identifier (DOI)
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