ArticleSymmetry2016
Asymmetric Facial Bone Fragmentation Mirrors Asymmetric Distribution of Cranial Neuromasts in Blind Mexican Cavefish.
Article in Symmetry, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 22 citations in OpenAlex.
- The spatiotemporal and genetic architecture of extraoral taste buds in Astyanax cavefish.Communications biology · 2024Article
- Sensing in the dark: Constructive evolution of the lateral line system in blind populations ofEcology and evolution · 2024Review
- Variable Craniofacial Shape and Development among Multiple Cave-Adapted Populations ofIntegrative organismal biology (Oxford, England) · 2024Article
- An analysis of lateralized neural crest marker expression across development in the Mexican tetra,Frontiers in cell and developmental biology · 2023Article
- Evolution of left-right asymmetry in the sensory system and foraging behavior during adaptation to food-sparse cave environments.BMC biology · 2022Article
- Sensory evolution in a cavefish radiation: patterns of neuromast distribution and associated behaviour inProceedings. Biological sciences · 2022Article
- An Asymmetric Genetic Signal Associated with Mechanosensory Expansion in Cave-Adapted Fish.Symmetry · 2020Article
- Dark world rises: The emergence of cavefish as a model for the study of evolution, development, behavior, and disease.Journal of experimental zoology. Part B, Molecular and developmental evolution · 2020Article
- A Natural Animal Model System of Craniofacial Anomalies: The Blind Mexican Cavefish.Anatomical record (Hoboken, N.J. : 2007) · 2020Article
- Facial bone fragmentation in blind cavefish arises through two unusual ossification processes.Scientific reports · 2018Article
- Cranial asymmetry arises later in the life history of the blind Mexican cavefish, Astyanax mexicanus.PloS one · 2017Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Craniofacial asymmetry is a convergent trait widely distributed across animals that colonize the extreme cave environment. Although craniofacial asymmetry can be discerned easily, other complex phenotypes (such as sensory organ position and numerical variation) are challenging to score and compare. Certain bones of the craniofacial complex demonstrate substantial asymmetry, and co-localize to regions harboring dramatically expanded numbers of mechanosensory neuromasts. To determine if a relationship exists between this expansion and bone fragmentation in cavefish, we developed a quantitative measure of positional symmetry across the left-right axis. We found that three different cave-dwelling populations were significantly more asymmetric compared to surface-dwelling fish. Moreover, cave populations did not differ in the degree of neuromast asymmetry. This work establishes a method for quantifying symmetry of a complex phenotype, and demonstrates that facial bone fragmentation mirrors the asymmetric distribution of neuromasts in different cavefish populations. Further developmental studies will provide a clearer picture of the developmental and cellular changes that accompany this extreme phenotype, and help illuminate the genetic basis for facial asymmetry in vertebrates.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.