User:Sigrid van Grinsven page

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Molecular Geomicrobiology at the Royal NIOZ

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Sigrid van Grinsven


PhD student in the Department of Marine Organic Biogeochemistry at the Royal Netherlands Institute for Sea Research (NIOZ) since September 2015.


  • Freshwater and marine biogeochemistry
  • The role of microbes in nutrient recycling
  • Aerobic and anaerobic methane oxidation


  • 2013-2015 Utrecht University (The Netherlands). Master of Science in Earth Sciences, specialization in Environmental Geochemistry. Title: Assessment of a new method in protist research: NanoSIMS analysis.
  • 2009-2012 Wageningen University (The Netherlands). Bachelor of Science in Soil, Water, Atmosphere. Title: Influence of soil type, precipitation and temperature on nitrogen and phosphorous concentrations in Dutch ditches

PhD project

Methane-cycling microbial communities in anoxic marine and lake systems The aim of this project is to characterize the role of methane-cycling microorganisms in marine and lake systems. In this project, we will investigate the diversity of these microorganisms as well as novel metabolic/biosynthetic pathways with metagenomic approaches. We will apply biogeochemical approaches, DNA and lipid biomarkers to infer their role in past and present environments. We will apply cultivation independent techniques based on incubation studies, activity rate measurements, and ‘omic’ approaches (DNA/RNA and lipids). Field work will be also a part of this project as suspended particulate matter and sediments from marine settings (Mediterranean, Black Sea and Red Sea), and several lake systems will be analyzed.

People involved: Sigrid van Grinsven (Ph.D student), Dr. L. Villanueva, Prof. J.S. Sinninghe Damsté (promotor) Funding: SIAM Duration: 2015-2019