Research interests

Molecular mechanisms of bacteria

We are interested in the basic mechanisms involved when bacteria infect the human host. My research group studies, at the molecular level, the functions of bacteria in infectious processes and bacteria-host interactions. A special focus is on understanding of pathogens causing recurrent urinary tract infections and newborn meningitis as well as on health-promoting lactic acid bacteria. We also apply bacterial proteins and protein complexes biotechnologically for medical or diagnostic purposes.


Electron microscopy image of a uropathogenic Escherichia coli cell expressing thin, adhesive fimbriae and a thicker, wavy flagellum used for motility of the cell.

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List of publications Westerlund-Wikström

Collaboration Westerlund-Wikström

Main funding:

HiLIFE, “HiLIFE Grand Challenge – Combatting Antimicrobial Drug Resistance”, joint research consortium, 2018-2021, University of Helsinki

The Swedish Cultural Foundation in Finland, Research grant, -2024