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Josy ter Beek

PhD

Staff scientist at the Department of Medical Biochemistry and Biophysics

Chair of the Information Committee of the Faculty of Medicine

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Affiliation
Staff scientist at Department of Medical Biochemistry and Biophysics Section: Ronnie Berntsson group
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Multidrug-resistant bacteria pose a grave threat to global health, food security, and development (WHO). Resistance to antibiotics spreads via a process called bacterial conjugation, a horizontal gene transfer process between bacteria. This process is facilitated by Type 4 Secretion Systems (T4SSs); large protein machineries that highly efficiently transfer DNA and proteins from a bacterial donor cell into a recipient cell.  T4SSs are major drivers of antibiotic resistance transfer in bacteria, and are present in many pathogens that have been identified in nosocomial (hospital) infections worldwide. Initial experiments have shown that targeting T4SSs with inhibitors can greatly decrease the bacteria’s survival rate during infections and such inhibitors are thus promising new drug targets. Despite this, only a couple of T4SS model systems have been studied structurally or biochemically, and they are all from Gram-negative bacteria. This while Gram-positive bacteria stand for a majority of the nosocomial infections.

I work together with various other group members to find out more about the T4SS system from the pCF10 plasmid of the Gram-positive Enterococcus faecalis. This is one of the few Gram-positive model systems that has been studied in some detail and we are expanding the current knowledge using various structural and biochemical methods. More info can be found here.

I originate from the Netherlands, where I also did my PhD research (2007-2012), which was focused around the discovery and initial characterization of ECF-type ABC transporters in the membrane enzymology group at the University in Groningen. At the end of 2011 I moved to Sweden for a Postdoc at Stockholm University and in 2015 I moved further up north to Umeå.

I'm also active in science communication & outreach and chair of the information committee of the medical faculty that organizes amongst others: Fika efter en Forskare.

For more information about me and my research, please check out my personal webpage. You can also view my page on Researchgate, LinkedIn, or follow me on Social media: @Josy_terBeek or @josyterbeek.bsky.social. You can find my complete publication list in Pubmed or via ORCID iD.

Nature Communications, Springer Nature 2024, Vol. 15, (1)
Espaillat, Akbar; Alvarez, Laura; Torrens, Gabriel; et al.
Nature Microbiology, Springer Nature 2023, Vol. 8, (8) : 1549-1560
Irazoki, Oihane; ter Beek, Josy; Alvarez, Laura; et al.
Life Science Alliance, Life Science Alliance, LLC 2023, Vol. 6, (4)
Breidenstein, Annika; ter Beek, Josy; Berntsson, Ronnie
eLIFE, eLife Sciences Publications Ltd 2023, Vol. 12
Sun, Wei-Sheng; Lassinantti, Lena; Järvå, Michael A.; et al.
mSphere, American Society for Microbiology (ASM) 2021, Vol. 6, (3)
Lassinantti, Lena; Camacho, Martha I.; Erickson, Rebecca J B; et al.
Journal of the American Chemical Society, American Chemical Society (ACS) 2021, Vol. 143, (39) : 16147-16153
Pinto, Miguel N.; ter Beek, Josy; Ekanger, Levi A.; et al.
Journal of Molecular Biology, Elsevier 2020, Vol. 432, (20) : 5681-5695
Schmitt, Andreas; Hirt, Helmut; Järvå, Michael A.; et al.
Nature Communications, Nature Publishing Group 2019, Vol. 10
Parkash, Vimal; Kulkarni, Yashraj; ter Beek, Josy; et al.
Nucleic Acids Research, Oxford University Press 2019, Vol. 47, (11) : 5712-5722
ter Beek, Josy; Parkash, Vimal; Bylund, Göran; et al.
Biochimica et Biophysica Acta - Biomembranes, Elsevier 2017, Vol. 1859, (10) : 1951-1961
ter Beek, Josy; Kahle, Maximilian; Ädelroth, Pia
PLOS ONE, Public Library of Science (PLoS) 2016, Vol. 11, (3)
ter Beek, Josy; Krause, Nils; Ädelroth, Pia

Research groups

Group member

I give lectures in chemistry, enzyme kinetics and molecular biology methods for the medical biochemistry and cellbiology course of the dentistry program.