Research group Molecular SeaLab
SeaLab is a joint research venture between the Baltic Sea Centre at Stockholm University and the Environmental Genomics group at SciLifeLab.
We investigate microbial diversity, metabolism, and interactions to understand how microbial communities function and contribute to ecosystem processes.
Microbial communities encompass a diverse range of organisms, including prokaryotes (bacteria and archaea), unicellular eukaryotes, and viruses. Through a diversity of metabolic strategies, their activity alters nutrient flow and drives biogeochemical cycles. We explore their role in the environment by combining field sampling with meta-omic approaches.
We focus on microbial communities in the Baltic Sea and carry out regular sampling at our marine field station, Askö laboratory, onboard R/V Electra of Askö and from the air-sea interactions floating laboratory. Samples are collected for DNA, RNA, and protein analyses, which are coupled to geochemical measurements and used to explore the metabolic profile of uncultivated microorganisms giving us a better understanding of their overall impact on the ecosystem.
We work together with the Environmental Genomics group at SciLifeLab on the collaborative research initiative SeaLab. SeaLab’s projects focus on microbial metabolic processes that drive the cycling of climate-active compounds in coastal environments, with particular emphasis on greenhouse gases (GHGs) and volatile organic compounds (VOCs) in both sediments and the water column.
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Bell, E.†, Garefelt, K.†, Jurdzinski, K.T.†, Delgado, L.F., Johansson, F., Karlson, B., and Andersson, A.F.* The marine microbiome can accurately predict its chemical and biological environment. Communications Earth & Environment, 7, 519 (2026). https://doi.org/10.1038/s43247-026-03715-5. †Authors contributed equally.