andrecg

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I have been working at CEES since January 2011 in collaboration with the Marine Biology group at UiO. As a postdoc I am involved in the interdisciplinary project PhytoSCALE which studies the adaptive responses of coccolithophores to climate change. I carry out culture experiments, both batch and continuous culturing, on different species of these calcifying microalgae to observe changes in phenotype due to changing environmental parameters. I am currently focusing on the effect of nutrient availability on coccolithophore size and morphology. To this end I mainly use microscopy techniques such as polarized light and scanning electron microscopy. Results obtained from culture studies are used to interpret fossil time series data collected by the P.I. of the project, Jorijntje Henderiks at the University of Uppsala in Sweden.

Previously, I carried out my PhD at the Stazione Zoologica in Naples, Italy on the oxylipin metabolism of diatoms. Before that I worked on diatom-copepod interactions at the Biological Station (AWI) on Helgoland, Germany for my graduate thesis. I am interested in microalgal metabolism and the involved regulatory mechanisms, how these may evolve under changing environmental conditions, and the ecological consequences for these organisms.

Tags: Food web dynamics, Plant-herbivore interactions, Trophic interactions, Algae, Biogeochemistry, Cell culturing, Climate adaptation, Copepods, Ecophysiology, Eukaryotic microbiology, Food webs, Grazing ecology, Marine algae, Marine ecology, Microalgae, Microalgal biodiversity, Microalgal ultrastructure, Microbial eukaryotes, Oceanography, Oxidative stress, Pelagic ecology, Phytoplankton, Plankton, Predator-prey interactions, Protists, Zooplankton

Publications

  • Gerecht, Andrea Cornelia; Supraha, Luka; Edvardsen, Bente; Langer, Gerald & Henderiks, Jorijntje (2015). Phosphorus availability modifies carbon production in Coccolithus pelagicus (Haptophyta). Journal of Experimental Marine Biology and Ecology.  ISSN 0022-0981.  472, s 24- 31 . doi: 10.1016/j.jembe.2015.06.019
  • Ianora, Adrianna; Bastianini, Mauro; Carotenuto, Ylenia; Casotti, Raffaella; Roncalli, Vittoria; Miralto, Antonio; Romano, Giovanna; Gerecht, Andrea Cornelia; Fontana, Angelo & Turner, Jefferson T (2015). Non-volatile oxylipins can render some diatom blooms more toxic for copepod reproduction. Harmful Algae.  ISSN 1568-9883.  44, s 1- 7 . doi: 10.1016/j.hal.2015.02.003
  • Orefice, Ida; Gerecht, Andrea Cornelia; d'Ippolito, G; Fontana, Angelo; Ianora, Adrianna & Romano, Giovanna (2015). Determination of Lipid Hydroperoxides in Marine Diatoms by the FOX2 Assay. Marine Drugs.  ISSN 1660-3397.  13(9), s 5767- 5783 . doi: 10.3390/md13095767
  • Supraha, Luka; Gerecht, Andrea Cornelia; Probert, Ian & Henderiks, Jorijntje (2015). Eco-physiological adaptation shapes the response of calcifying algae to nutrient limitation. Scientific Reports.  ISSN 2045-2322.  5 . doi: 10.1038/srep16499
  • Gerecht, Andrea Cornelia; Supraha, Luka; Edvardsen, Bente; Probert, I. & Henderiks, Jorijntje (2014). High temperature decreases the PIC/POC ratio and increases phosphorus requirements in Coccolithus pelagicus (Haptophyta). Biogeosciences.  ISSN 1726-4170.  11(13), s 3531- 3545 . doi: 10.5194/bg-11-3531-2014
  • Gerecht, Andrea Cornelia; Carotenuto, Ylenia; Ianora, Adrianna; Romano, Giovanna; Fontana, A; d'Ippolito, G; Jakobsen, Hans Henrik & Nejstgaard, Jens Christian (2013). Oxylipin production during a mesocosm bloom of Skeletonema marinoi. Journal of Experimental Marine Biology and Ecology.  ISSN 0022-0981.  446, s 159- 165 . doi: 10.1016/j.jembe.2013.05.014

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  • Gerecht, Andrea Cornelia (2014). RuBisCO in Arctic diatoms.
  • Gerecht, Andrea (2013). Phosphorus limitation does not change the ratio of calcite to organic carbon in Coccolithus pelagicus.
  • Gerecht, Andrea (2013). Temperature, but not phosphorus limitation, changes the ratio of calcite to organic carbon in Coccolithus pelagicus.
  • Henderiks, Jorijntje; Gerecht, Andrea; Hannisdal, Bjarte; Liow, Lee Hsiang; Reitan, Tore; Schweder, Tore & Edvardsen, Bente (2013). PhytoSCALE project: calibrating phytoplankton cell size as a proxy for climatic adaptation.
  • Gerecht, Andrea Cornelia; Hostyeva, Vladyslava; Edvardsen, Bente; Probert, Ian & Henderiks, Jorijntje (2012). How does phosphorus limitation impact coccolith size and morphology?.
  • Gerecht, Andrea Cornelia; Hostyeva, Vladyslava; Edvardsen, Bente; Probert, Ian & Henderiks, Jorijntje (2012). How does phosphorus limitation impact coccolith size and morphology?.

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Published May 26, 2011 9:48 PM - Last modified Nov. 13, 2015 10:55 AM

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