Antti Karkman

University lecturer in microbial bioinformatics, PhD in microbiology

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Room 3216

Biocenter 1, Viikki

Helsinki, Finland

I am a computational microbiologist and university lecturer in microbial bioinformatics at the University of Helsinki. I’m also one of the founders of Aluke.

My research focuses on the environmental dimension of antimicrobial resistance. I am especially interested in studying the genes behind the resistance and how they emerge and move between bacteria, using computational tools to better understand these processes. You can find some of my publications below and all of them under Publications. More information about current projects can be found under Projects and few examples of the workflows under Repositories.

In addition to research, I enjoy teaching and creating educational materials that help others learn bioinformatics and microbiology in a clear and practical way. I aim to make complex scientific ideas easier to understand and to support students and colleagues in their learning journeys. Learn more about my teaching under Teaching.

latest publications

  1. Emerging food- and waterborne pathogen Arcobacter in wastewater: diversity and antibiotic resistance
    Svjetlana Dekić Rozman, Antti Karkman, Levi Tomitšik, and 1 more author
    Microbiology Spectrum, Sep 2026
  2. Long-read metagenomics and methylation-based binning allow the description of the emerging high-risk antibiotic resistance genes and their hidden hosts in complex communities
    Melina Markkanen, Heidi Putkuri, Dovydas Kičiatovas, and 3 more authors
    Feb 2026
    Preprint
  3. Towards One Health action for addressing antimicrobial resistance in the age of polycrisis
    Ishi Keenum, Thomas U. Berendonk, Jonas Bonnedahl, and 36 more authors
    Nature Sustainability, Jan 2026
  4. Sulfonamide resistance gene sul4 is hosted by common wastewater sludge bacteria and found in various newly described contexts and hosts
    Melina Markkanen, Denise Pezzutto, Marko Virta, and 1 more author
    Microbiology Spectrum, Jan 2026