Articles | Volume 18, issue 16
Biogeosciences, 18, 4733–4753, 2021
https://doi.org/10.5194/bg-18-4733-2021
Biogeosciences, 18, 4733–4753, 2021
https://doi.org/10.5194/bg-18-4733-2021

Research article 20 Aug 2021

Research article | 20 Aug 2021

Host-influenced geochemical signature in the parasitic foraminifera Hyrrokkin sarcophaga

Nicolai Schleinkofer et al.

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Cited articles

Addadi, L., Raz, S., and Weiner, S.: Taking Advantage of Disorder: Amorphous Calcium Carbonate and Its Roles in Biomineralization, Adv. Mater., 15, 959–970, https://doi.org/10.1002/adma.200300381, 2003. 
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Addamo, A. M., Vertino, A., Stolarski, J., García-Jiménez, R., Taviani, M., and Machordom, A.: Merging scleractinian genera: The overwhelming genetic similarity between solitary Desmophyllum and colonial Lophelia, BMC Evol. Biol., 16, 108, https://doi.org/10.1186/s12862-016-0654-8, 2016. 
Adkins, J. F., Boyle, E. A., Curry, W. B., and Lutringer, A.: Stable isotopes in deep-sea corals and a new mechanism for “vital effects”, Geochim. Cosmochim. Ac., 67, 1129–1143, https://doi.org/10.1016/S0016-7037(02)01203-6, 2003. 
Alexander, S. P. and Delaca, T. E.: Feeding adaptations of the foraminiferan Cibicides refulgens living epizoically and parasitically on the Antarctic scallop Adamussium colbecki, Biol. Bull., 173, 136–159, https://doi.org/10.2307/1541868, 1987. 
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We have measured the chemical composition of the carbonate shells of the parasitic foraminifera Hyrrokkin sarcophaga in order to test if it is influenced by the host organism (bivalve or coral). We find that both the chemical and isotopic composition is influenced by the host organism. For example strontium is enriched in foraminifera that grew on corals, whose skeleton is built from aragonite, which is naturally enriched in strontium compared to the bivalves' calcite shell.
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