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Deciphering uptake mechanisms of potentially toxic elements in seaweeds using high resolution imaging analysis
Authors:
Vázquez-Arias, A., Rodríguez-Prieto, C., Yamada, Y., Ito, M., Fernández, J.A., Aboal, J.R.
Paper:
Journal of Hazardous Materials 497 (2025) 139646
This study demonstrates that while Pb is primarily retained in the cell wall with negligible intracellular accumulation—its concentration being strictly dependent on environmental availability—the internalization of Zn and Mn is metabolically regulated, leading to their storage within specific organelles such as physodes and plastids.
Assessing the effectiveness of seaweed transplants in reflecting seawater pollution levels
Authors:
Vázquez-Arias, A., Boquete M.T., Fernández, J.A., Aboal, J.R.
Paper:
Environmental Pollution 377 (2025)
This study shows that transplants of Fucus vesiculosus do not reliably reflect the concentrations of elements in seawater, suggesting that complex environmental factors affect their bioavailability and accumulation.
Nanoscale distribution of potentially toxic elements in seaweeds revealed by synchrotron X-ray fluorescence
Authors:
Vázquez-Arias, A., Boquete, M.T., Martín-Jouve, B., Tucoulou, R., Rodríguez-Prieto, C., Fernández, J.A., Aboal, J.R.
Paper:
Journal of Hazardous Materials 480 (2024) 136454
To assess the impact of ETPs on coastal algae, S-XRF was used to map their subcellular accumulation in Fucus vesiculosus, highlighting the role of physodes in their regulation and storage.
A field study of the molecular response of brown macroalgae to heavy metal exposure: an (epi)genetic approach
Authors:
García Seoane, R., Richards, C.L., Aboal, J.R., Fernández, J.A., Schmid, M.W., Boquete, M.T.
Paper:
Journal of Hazardous Materials 480 (2024) 136304
This study analyzed the genetic and epigenetic variability in Fucus vesiculosus in response to pollution, finding intraspecific differentiation at short scales. Both mechanisms could influence its adaptation, requiring further research.
What dead seaweeds can tell us about metal uptake and their application to control marine pollution
Authors:
Vázquez-Arias, A., Aboal, J.R., Fernández, J.A.
Paper:
Journal of Hazardous Materials 459 (2023) 123316
Methods were investigated to improve the use of marine algae in monitoring coastal pollution. The devitalization of transplants showed higher concentrations of trace elements but suffered from a loss of consistency, limiting its effectiveness in the short term.

Deciphering uptake mechanisms of potentially toxic elements in seaweeds using high resolution imaging analysis

Assessing the effectiveness of seaweed transplants in reflecting seawater pollution levels

Nanoscale distribution of potentially toxic elements in seaweeds revealed by synchrotron X-ray fluorescence

A field study of the molecular response of brown macroalgae to heavy metal exposure: an (epi)genetic approach

What dead seaweeds can tell us about metal uptake and their application to control marine pollution