Marta Sixto

Predoctoral researcher (2019-2023)


  • Predoctoral grant MINECO
  • DIANAS project: Innovative detection of HABs: A necessity against global warming -CTM2017-86066-R
  • Directores: Alfredo de Bustos (UAH) y Rosa I. Figueroa (IEO-CSIC)


  • Graduate in “Ciencias del Mar” (2013)
  • Máster in Marine Biology (2015)

My research focuses on the study of the effects of environmental and oceanographic variables on the virulence and temporal evolution of harmful algal blooms (HABs) caused by dinoflagellates of the genus Alexandrium, as well as the study of their physiology and life cycle.


Rial, P., Sixto, M., Vázquez, J.A., Reguera, B., Figueroa, R.I., Riobó, P., Rodríguez, F. (2023). Interaction between temperature and salinity stress on the physiology of Dinophysis spp. and Alexandrium minutum: implications for niche range and blooming patterns. Aquat Microb Ecol 89:1-22.

Cuadrado, A., Figueroa, R.I., Sixto, M., Bravo, I., De Bustos, A. (2022). First record of the spatial organization of the nucleosome-less chromatin of dinoflagellates: The nonrandom distribution of micro satellites and bipolar arrangement of telomeres in the nucleus of Gambierdiscus australes (Dinophyceae). Journal of Phycology 58(2), DOI: 10.1111/jpy.13236

Cuadrado, A., Sixto, M., Figueroa, R.I., Bravo, I., de Bustos, A. (2021). Comparative FISH mapping of 45S and 5S rDNA in the genus Gambierdiscus advances understanding of the cytogenetic diversity and mitosis of dinoflagellates. European Journal of Phycology 56. DOI: 10.1080/09670262.2021.1964608

de Bustos A., Figueroa R.I., Sixto M., Bravo I., Cuadrado A. (2020). The 5S rRNA genes in Alexandrium: their use as a FISH chromosomal marker in studies of the diversity, cell cycle and sexuality of dinoflagellates. Harmful Algae 98:101903.