ArticleScientific reports2013
Biogenic fish-gut calcium carbonate is a stable amorphous phase in the gilt-head seabream, Sparus aurata.
Article in Scientific reports, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Dissolution-Reprecipitation of Amorphous and Crystalline (Ca)-Mg-Carbonates in Thin Water Films.Crystal growth & design · 2026Article
- Osmoregulation by the gastro-intestinal tract of marine fish at depth - implications for the global carbon cycle.The Journal of experimental biology · 2025Article
- Innovation in Osteogenesis Activation: Role of Marine-Derived Materials in Bone Regeneration.Current issues in molecular biology · 2025Review
- Unlocking the potential of amorphous calcium carbonate: A star ascending in the realm of biomedical application.Acta pharmaceutica Sinica. B · 2024Review
- Article
- Temperature, species identity and morphological traits predict carbonate excretion and mineralogy in tropical reef fishes.Nature communications · 2023Article
- The Kinetics of Aragonite Formation from Solution via Amorphous Calcium Carbonate.Nanomaterials (Basel, Switzerland) · 2022Article
- Ion Pathways in Biomineralization: Perspectives on Uptake, Transport, and Deposition of Calcium, Carbonate, and Phosphate.Journal of the American Chemical Society · 2021Article
- The digestive tract as an essential organ for water acquisition in marine teleosts: lessons from euryhaline eels.Zoological letters · 2021Review
- Phase heterogeneity in carbonate production by marine fish influences their roles in sediment generation and the inorganic carbon cycle.Scientific reports · 2017Article
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Authors and funding
3 authors.
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Abstract
The main source of calcium carbonate (CaCO₃) in the ocean comes from the shells of calcifying planktonic organisms, but substantial amounts of CaCO₃ are also produced in fish intestines. The precipitation of CaCO₃ assists fish in intestinal water absorption and aids in whole body Ca²⁺ homeostasis. Here we report that the product formed in the intestinal lumen of the gilt-head seabream, Sparus aurata, is an amorphous calcium carbonate (ACC) phase. With FTIR spectroscopy and SEM imaging, our study shows that the fish-derived carbonates from S. aurata are maintained as a stable amorphous phase throughout the intestinal tract. Moreover, intestinal deposits contained up to 54 mol% Mg²⁺, the highest concentration yet reported in biogenic ACC. Mg is most likely responsible for stabilizing this inherently unstable mineral. The fish carbonates also displayed initial rapid dissolution when exposed to seawater, exhibiting a significant increase in carbonate concentration.
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