ArticleDevelopmental dynamics : an official publication of the American Association of Anatomists2016
Embryogenesis and early skeletogenesis in the antarctic bullhead notothen, Notothenia coriiceps.
Article in Developmental dynamics : an official publication of the American Association of Anatomists, 2016. 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, 24 citations in OpenAlex.
- Transcriptome analysis identifies key regulatory genes and temporal expression dynamics during embryonic development in the Japanese eel (Anguilla japonica).Molecular genetics and genomics : MGG · 2026Article
- First Application of Whole Genome Sequencing in Myelinated Retinal Nerve Fibers (MRNF).Physiological research · 2024Article
- Intergeneric hybrids inform reproductive isolating barriers in the Antarctic icefish radiation.Scientific reports · 2019Article
- Cold Fusion: Massive Karyotype Evolution in the Antarctic Bullhead NotothenG3 (Bethesda, Md.) · 2017Article
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7 authors at 3 institutions in 2 countries.
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Abstract
backgroundEnvironmental temperature influences rates of embryonic development, but a detailed staging series for vertebrate embryos developing in the subzero cold of Antarctic waters is not yet available from fertilization to hatching. Given projected warming of the Southern Ocean, it is imperative to establish a baseline to evaluate potential effects of changing climate on fish developmental dynamics.
resultsWe studied the Bullhead notothen (Notothenia coriiceps), a notothenioid fish inhabiting waters between -1.9 and +2 °C. In vitro fertilization produced embryos that progressed through cleavage, epiboly, gastrulation, segmentation, organogenesis, and hatching. We compared morphogenesis spatially and temporally to Zebrafish and medaka. Experimental animals hatched after about 6 months to early larval stages. To help understand skeletogenesis, we analyzed late embryos for expression of sox9 and runx2, which regulate chondrogenesis, osteogenesis, and eye development. Results revealed that, despite their prolonged developmental time course, N. coriiceps embryos developed similarly to those of other teleosts with large yolk cells.
conclusionsOur studies set the stage for future molecular analyses of development in these extremophile fish. Results provide a foundation for understanding the impact of ocean warming on embryonic development and larval recruitment of notothenioid fish, which are key factors in the marine trophic system. Developmental Dynamics 245:1066-1080, 2016. © 2016 Wiley Periodicals, Inc.
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