Lotta Happonen

Lotta Happonen

Associate researcher

Personal profile

Research

My main research interest is to explore structural and molecular level mechanism of host-pathogen interactions during an infection, and how pathogens use defined virulence determinants to target central components of the host’s immune system.    

My primary research focus is on investigating disordered bacterial virulence factors and their interactions with the host's innate immune system. The main methods I apply include • affinity-purification combined with state-of-the-art quantitative mass spectrometry (AP-MS) • structural mass spectrometry, namely crosslinking (XL-MS) and hydrogen-deuterium exchange (HDX-MS) mass spectrometry • single-particle cryoEM and X-ray crystallography.

The research problems addressed are fundamental questions in medical microbiology and infection medicine. Identification and description of host-pathogen protein-protein interaction interfaces as potential sites for therapeutic intervention and drug development will have an important role in combatting pathogen mediated diseases. Importantly, knowledge about host-pathogen protein-protein interactions occurring during the infection cycle and high-resolution structural data on the formed complexes is often a prerequisite for drug and vaccine development.

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 3 - Good Health and Well-being

UKÄ subject classification

  • Infectious Medicine
  • Structural Biology
  • Biochemistry and Molecular Biology

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Collaborations the last five years

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