ArticleProceedings. Biological sciences2019
The evolutionary origins and diversity of the neuromuscular system of paired appendages in batoids.
Article in Proceedings. Biological sciences, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 12 citations in OpenAlex.
- Article
- Bacterial community dynamics during embryonic development of the little skate (Leucoraja erinacea).Animal microbiome · 2021Article
- Evolutionary history of quadrupedal walking gaits shows mammalian release from locomotor constraint.Proceedings. Biological sciences · 2021Article
- 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
- Developmental constraints on fin diversity.Development, growth & differentiation · 2020Review
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Authors and funding
8 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Appendage patterning and evolution have been active areas of inquiry for the past two centuries. While most work has centred on the skeleton, particularly that of amniotes, the evolutionary origins and molecular underpinnings of the neuromuscular diversity of fish appendages have remained enigmatic. The fundamental pattern of segmentation in amniotes, for example, is that all muscle precursors and spinal nerves enter either the paired appendages or body wall at the same spinal level. The condition in finned vertebrates is not understood. To address this gap in knowledge, we investigated the development of muscles and nerves in unpaired and paired fins of skates and compared them to those of chain catsharks. During skate and shark embryogenesis, cell populations of muscle precursors and associated spinal nerves at the same axial level contribute to both appendages and body wall, perhaps representing an ancestral condition of gnathostome appendicular neuromuscular systems. Remarkably in skates, this neuromuscular bifurcation as well as colinear
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