Articles | Volume 14, issue 4
Biogeosciences, 14, 901–920, 2017
https://doi.org/10.5194/bg-14-901-2017
Biogeosciences, 14, 901–920, 2017
https://doi.org/10.5194/bg-14-901-2017

Research article 28 Feb 2017

Research article | 28 Feb 2017

Cyanobacterial endobionts within a major marine planktonic calcifier (Globigerina bulloides, Foraminifera) revealed by 16S rRNA metabarcoding

Clare Bird et al.

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Cited articles

Anand, P., Elderfield, H., and Conte, M. H.: Calibration of Mg ∕ Ca thermometry in planktonic foraminifera from a sediment trap time series, Paleoceanography, 18, 1050 https://doi.org/10.1029/2002PA000846, 2003.
Aldridge, D., Beer, C. J., and Purdie, D. A.: Calcification in the planktonic foraminifera Globigerina bulloides linked to phosphate concentrations in surface waters of the North Atlantic Ocean, Biogeosciences, 9, 1725–1739, https://doi.org/10.5194/bg-9-1725-2012, 2012.
Allers, E., Wright, J. J., Konwar, K. M., Howes, C. G., Beneze, E., Hallam, S. J., and Sullivan, M. B.: Diversity and population structure of Marine Group A bacteria in the Northeast subarctic Pacific Ocean, ISME J., 7, 256–268, https://doi.org/10.1038/ismej.2012.108, 2012.
André, A., Quillévéré, F., Morard, R., Ujiié, Y., Escarguel, G., de Vargas, C., de Garidel-Thoron, T., and Douady, C. J.: SSU rDNA Divergence in Planktonic Foraminifera: Molecular Taxonomy and Biogeographic Implications, Plos One, 9, e104641, https://doi.org/10.1371/journal.pone.0104641, 2014.
Ashton, M., Rosado, W., Govind, N. S., and Tosteson, T. R.: Culturable and nonculturable bacterial symbionts in the toxic benthic dinoflagellate Ostreopsis lenticularis, Toxicon, 42, 419–424, https://doi.org/10.1016/S0041-0101(03)00174-0, 2003.
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Short summary
Accurate ecological data on planktic foraminifera (calcifying microbes that play an important role in the carbon cycle) are important for modelling their response to climate change. We studied the species G. bulloides. A lack of algal symbionts and unusual shell chemistry suggest a different life history compared to other spinose species. We demonstrate that G. bulloides hosts cyanobacterial endobionts. This has implications for modelling this species and for understanding its shell chemistry.
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