Subsite | Dissertation


This subsite (a part of my personal web) presents and accompanies my dissertation work in Marine Sciences and Applied Microbiology ( 2015-2017 ).
Visit me to know more about my work, leave your comments and suggestions and/or learn something about what I’m investigating!


Theme Context Project People Partnerships


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University of Lisbon

Learn about the top portuguese university: the University of Lisbon, right here.

Faculty of Sciences

Learn about the Faculty of Sciences of the University of Lisbon right here.

Master Programmes

My two master’s degree programmes: Marine Sciences and Applied Microbiology.

Thesis Adviser

Read about my adviser and his academic milestones and achievements right here.





Hang in there. I’m working on it :)


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Hagino, K., Takano, Y., & Horiguchi, T. (2009). Pseudo-cryptic speciation in Braarudosphaera bigelowii (Gran and Braarud) Deflandre. Marine Micropaleontology, 72(3), 210-221.

Hagino, K., Onuma, R., Kawachi, M., & Horiguchi, T. (2013). Discovery of an endosymbiotic nitrogen-fixing cyanobacterium UCYN-A in Braarudosphaera bigelowii (Prymnesiophyceae). PLOS one, 8(12), 1-11.

Kelly, D. C., Norris, R. D., & Zachos, J. C. (2003). Deciphering the paleoceanographic significance of Early Oligocene Braarudosphaera chalks in the South Atlantic. Marine Micropaleontology, 49(1), 49-63.

Takano, Y., Hagino, K., Tanaka, Y., Horiguchi, T., & Okada, H. (2006). Phylogenetic affinities of an enigmatic nannoplankton, Braarudosphaera bigelowii based on the SSU rDNA sequences. Marine Micropaleontology, 60(2), 145-156.

Thompson, A. W., Foster, R. A., Krupke, A., Carter, B. J., Musat, N., Vaulot, D., Kuypers, M. M. M., & Zehr, J. P. (2012). Unicellular cyanobacterium symbiotic with a single-celled eukaryotic alga. Science, 337(6101), 1546-1550.

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BOWN P.R., 1998, Calcareous nannofossils biostratigraphy. Kluwer Academic Press, 315 pp.

Bown, Paul. “Selective calcareous nannoplankton survivorship at the Cretaceous-Tertiary boundary.” Geology 33.8 (2005): 653-656.

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