Articles | Volume 20, issue 7
https://doi.org/10.5194/bg-20-1299-2023
https://doi.org/10.5194/bg-20-1299-2023
Research article
 | 
05 Apr 2023
Research article |  | 05 Apr 2023

Reallocation of elemental content and macromolecules in the coccolithophore Emiliania huxleyi to acclimate to climate change

Yong Zhang, Yong Zhang, Shuai Ma, Hanbing Chen, Jiabing Li, Zhengke Li, Kui Xu, Ruiping Huang, Hong Zhang, Yonghe Han, and Jun Sun

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Cited articles

Beaufort, L., Couapel, M., Buchet, N., Claustre, H., and Goyet, C.: Calcite production by coccolithophores in the south east Pacific Ocean, Biogeosciences, 5, 1101–1117, https://doi.org/10.5194/bg-5-1101-2008, 2008. 
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Borchard, C., Borges, A. V., Händel, N., and Engel, A.: Biogeochemical response of Emiliania huxleyi (PML B92/11) to elevated CO2 and temperature under phosphorus limitation: A chemostat study, J. Exp. Mar. Biol. Ecol., 410, 61–71, https://doi.org/10.1016/j.jembe.2011.10.004, 2011. 
Caldeira, K. and Wickett, M. E.: Oceanography: anthropogenic carbon and ocean pH, Nature, 425, 365, https://doi.org/10.1038/425365a, 2003. 
Chen, P., Toribara, T. T., and Warner, H.: Microdetermination of phosphorus, Anal. Chem., 28, 1756–1758, https://doi.org/10.1021/ac60068a036, 1956. 
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Short summary
We found that increasing light intensity compensates for the negative effects of low phosphorus (P) availability on cellular protein and nitrogen contents. Reduced P availability, increasing light intensity, and ocean acidification act synergistically to increase cellular contents of carbohydrate and POC and the allocation of POC to carbohydrate. These regulation mechanisms in Emiliania huxleyi could provide vital information for evaluating carbon cycle in marine ecosystems under global change.
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