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  2. Universiteit van Amsterdam (UvA)
  3. PhD candidate in Marine Microbiology

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PhD candidate in Marine Microbiology

Ocean life contributes ~50% to global primary production and understanding implications of global change for the microbial primary producers at the base of …

3 maanden geleden


Science Park, Amsterdam, Noord-Holland
Vast contract
Uren per week:
38 - 38 uur
€ 2395 - € 3061 per maand


Ocean life contributes ~50% to global primary production and understanding implications of global change for the microbial primary producers at the base of the food web is critically important to predict consequences for global carbon cycling. While the photosynthetic microbes collectively referred to as phytoplankton, are traditionally regarded as purely photosynthetic, many of them can also feed on other microbes. These so-called mixotrophs thus combine a ‘plant-like’ with an ‘animal-like’ nutrition, and the relative importance of these two processes to their growth may shift in response to environmental conditions and affect the net impact of mixotrophs on carbon cycling. This project will assess the responses of mixotrophs to future ocean conditions including warming and ocean acidification.

In this project you will perform experiments with cultured marine mixotrophs that differ in their nutritional strategies and assess their response to ocean warming and acidification. Experiments will quantify changes in rates of growth, photosynthesis and ingestion, and characterize transcriptional responses that underly physiological reactions. The ecological consequences of physiological responses to future ocean conditions will be assessed in competition experiments. While this project is mainly focused on laboratory experiments, you will also have the opportunity to participate in oceanographic research cruises.

What are you going to do?

  • Perform controlled laboratory experiments (with microalgal cultures);
  • participate in fieldwork (research cruises);
  • analyze data from laboratory and field experiments;
  • publish your results in peer-reviewed scientific journals;
  • present your research at conferences and meetings;
  • write a thesis;
  • take part in teaching efforts, including assisting in practical courses and supervision of bachelor and master students;
  • follow an educational training;
  • collaborate with other scientists from the University of Amsterdam.


  • Experience with microalgal cultures;
  • experience with relevant laboratory techniques (eg. flow cytometry, microscopy, chemostat cultures etc.), ideally including molecular techniques, (eg. transcriptomics/genomics);
  • knowledge of Marine Microbiology;
  • excellent organizational skills;
  • ability to work both independently and in a team;
  • fluency in oral and written English.

Bioinformatics and computational skills are a plus.


Our offer

A temporary contract for 38 hours per week for the duration of 4 years (the initial contract will be for a period of 18 months and after satisfactory evaluation it will be extended for a total duration of 4 years). This should lead to a dissertation (PhD thesis). We will draft an educational plan that includes attendance of courses and (international) meetings. We also expect you to assist in teaching undergraduates and master students.

The salary will be €2,395 to €3,061 (scale P) gross per month, based on a full-time contract of 38 hours a week. This is exclusive 8% holiday allowance and 8.3% end-of-year bonus. A favourable tax agreement, the ‘30% ruling’, may apply to non-Dutch applicants. The Collective Labour Agreement of Dutch Universities is applicable.

Are you curious about our extensive package of secondary employment benefits like our excellent opportunities for study and development? Take a look here.

Additional information

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