ArticleProceedings of the National Academy of Sciences of the United States of America2010
Conservation, development, and function of a cement gland-like structure in the fish Astyanax mexicanus.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 32 citations in OpenAlex.
- Morphological adaptations of cavefish support enhanced hydrodynamic perception for underwater environmental monitoring.Environmental science and ecotechnology · 2026Article
- The Early Development of the Blue-Eye Cichlid, Cryptoheros spilurus (Cichliformes: Cichlidae).Evolution & development · 2025Article
- From hatching to juvenile: Larval development of Vieja fenestrata (Teleostei: Cichlidae).Journal of fish biology · 2024Article
- Single-Cell Transcriptional Profile Construction of Rat Pituitary Glands before and after Sexual Maturation and Identification of Novel MarkerInternational journal of molecular sciences · 2024Article
- Specification of distinct cell types in a sensory-adhesive organ important for metamorphosis in tunicate larvae.PLoS biology · 2024Article
- Developmental evolution of the forebrain in cavefish, from natural variations in neuropeptides to behavior.eLife · 2018Article
- Embryonic and larval development in the Midas cichlid fish species flock (Amphilophus spp.): a new evo-devo model for the investigation of adaptive novelties and species differences.BMC developmental biology · 2015Article
- A question of homology for chordate adhesive organs.Communicative & integrative biology · 2011Article
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Authors and funding
3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The larvae of the fish Astyanax mexicanus transiently develop a flat and adhesive structure on the top of their heads that we have called "the casquette" (cas, meaning "hat"). We hypothesized that the cas may be a teleostean homolog of the well-studied Xenopus cement gland, despite their different positions and structures. Here we show that the cas has an ectodermal origin, secretes mucus, expresses bone morphogenic protein 4 (Bmp4) and pituitary homeobox 1/2 (Pitx1/2), is innervated by the trigeminal ganglion and serotonergic raphe neurons, and has a role in the control and the development of the larval swimming behavior. These developmental, connectivity, and behavioral functional data support a level of deep homology between the frog cement gland and the Astyanax cas and suggest that attachment organs can develop in varied positions on the head ectoderm by recruitment of a Bmp4-dependent developmental module. We also show that the attachment organs of the cichlid Tilapia mariae larvae display some of these features. We discuss the possibility that these highly diversified attachment glands may be ancestral to chordates and have been lost repetitively in many vertebrate classes.
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