ArticleDevelopmental dynamics : an official publication of the American Association of Anatomists2019
Anterior trunk muscle shows mix of axial and appendicular developmental patterns.
Article in Developmental dynamics : an official publication of the American Association of Anatomists, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 7 citations in OpenAlex.
- Multiple embryonic sources converge to form the pectoral girdle skeleton in zebrafish.Nature communications · 2024Article
- Hand2 delineates mesothelium progenitors and is reactivated in mesothelioma.Nature communications · 2022Article
- Developmental Evolution of Hypaxial Muscles: Insights From Cyclostomes and Chondrichthyans.Frontiers in cell and developmental biology · 2021Review
- Novel developmental bases for the evolution of hypobranchial muscles in vertebrates.BMC biology · 2020Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
Abstract
backgroundSkeletal muscle in the trunk derives from the somites, paired segments of paraxial mesoderm. Whereas axial musculature develops within the somite, appendicular muscle develops following migration of muscle precursors into lateral plate mesoderm. The development of muscles bridging axial and appendicular systems appears mixed.
resultsWe examine development of three migratory muscle precursor-derived muscles in zebrafish: the sternohyoideus (SH), pectoral fin (PF), and posterior hypaxial (PHM) muscles. We show there is an anterior to posterior gradient to the developmental gene expression and maturation of these three muscles. SH muscle precursors exhibit a long delay between migration and differentiation, PF muscle precursors exhibit a moderate delay in differentiation, and PHM muscle precursors show virtually no delay between migration and differentiation. Using lineage tracing, we show that lateral plate contribution to the PHM muscle is minor, unlike its known extensive contribution to the PF muscle and absence in the ventral extension of axial musculature.
conclusionsWe propose that PHM development is intermediate between a migratory muscle mode and an axial muscle mode of development, wherein the PHM differentiates after a very short migration of its precursors and becomes more anterior primarily by elongation of differentiated muscle fibers.
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