2025

Barmettler, K., Boss, S., Biggel, M., Stephan, R. (2025). Occurrence of Salmonella and presumptive Bacillus cereus in sesame products from Swiss retail stores. Italian Journal of Food Safety 14:12691. doi:10.4081/ijfs.2025.12691

Barmettler, K., Waser, S., Stephan, R. (2025). Microbiological quality of plant-based meat-alternative products collected at retail level in Switzerland. Journal of Food Protection 88, 100402. https://doi.org/10.1016/j.jfp.2024.100402

Cianciolo Cosentino, C., Stevens, M.J.A., Eshwar, A.K., Muchaamba, F., Guldimann, C., Stephan, R., Lehner, A. (2025). Uncovering the pathogenic mechanisms of Cronobacter turicensis: a dual transcriptomics study using a zebrafish larvae model. Microbial Pathogenesis 202, 107374. https://doi.org/10.1016/j.micpath.2025.107374.

Fetsch, A., Sarnino, N., Filter, M., Koutsoumanis, K., Nauta, M., Wiedmann, M., Stärk, K.D.C., Ehling-Schulz, M., Stephan, R., Johler, S. (2025). Microbial risk analysis from a food industry perspective – insights from an international survey. Microbial Risk Analysis 29, 100340. https://doi.org/10.1016/j.mran.2024.100340.

Findlay, J., Nordmann, P., Stephan, R., NARA network, Poirel, L. (2025). Detection of OXA-23-producing Proteus mirabilis in Switzerland. European Journal of Clinical Microbiology and Infectious Diseases 44, 759–762. https://doi.org/10.1007/s10096-024-04972-y

Ivanova, M., Laage Kragh, M., Szarvas, J., Tosun, E.S., Holmud, N.F., Gmeiner, A., Amar, C., Guldimann, C., Huynh, T.N., Karpíšková, R., García, C.R., Gomez, D., Aboagye, E., Etter, A., Centorame, P., Torresi, M., De Angelis, M.E., Pomilio, F., Okholm, A.H., Xiao, Y., Kleta, S., Lueth, S., Pietzka, A., Kovacevic, J., Pagotto, F., Rychli, K., Zdovc, I., Papič, B., Heir, E., Langsrud, S., Møretrø, T., Brown, P., Kathariou, S., Stephan, R., Tasara, T., Dalgaard, P., Murigu Kamau Njage, P., Fagerlund, A., Aarestrup, F., Truelstrup Hansen, L., Leekitcharoenphon. P. (2025). Large-scale phenotypic and genomic analysis of Listeria monocytogenes reveals diversity in the sensitivity to quaternary ammonium compounds but not to peracetic acid. Applied and Environmental Microbiology 91(4):e0182924.doi: 10.1128/aem.01829-24.

Laisnez, V., Vusirikala, A., Salgaard Nielsen, C., Cantaert, V., Delbrassinne, L., Mattheus, W., Verhaegen, B., Delamare, H., Jourdan-Da Silva, N., Lachmann, R., Simon, S., Cormican, M., Garvey, P., McKeown, P., Stephan, R., Brown, D., Browning, L., Hoban, A., Larkin, L., S. Typhimurium Outbreak Investigation Group, Pardos de la Gandara, M., Jernberg, C., Takkinen, J., Balasegaram, S., Van Cauteren, D. (2025). Key role of whole genome sequencing in resolving an international outbreak of monophasic Salmonella Typhimurium linked to chocolate products. BMC Infectious Disease 25(1):242. doi: 10.1186/s12879-025-10629-8.

Mandinyenya, T., Wambui, J., Muchaamba, F., Stevens, M.J.A., Tasara, T. (2025). Nisin resistance is increased through GtcA mutation induced loss of cell wall teichoic acid N-acetylglucosamine modifications in Listeria monocytogenes. International Journal of Food Microbiology 428:110954. doi: 10.1016/j.ijfoodmicro.2024.110954.

Rau, J., Etter, D., Frentzel, H., Lasch, P., Contzen, M. (2025). Reliable delineation of Bacillus cytotoxicus from other members of the Bacillus cereus group by MALDI-TOF MS – An extensive validation study. Food Control 167, 110825. https://doi.org/10.1016/j.foodcont.2024.110825

Stevens, M.J.A., Barmettler, K., Kelbert, L., Stephan, R., Nüesch-Inderbinen, M. (2025). Genome based characterization of Yersinia enterocolitica from different food matrices in Switzerland in 2024. Infection, Genetics and Evolution 128:105719. doi: 10.1016/j.meegid.2025.105719.

Stevens, M.J.A., Wambui, J., Corti, S., Nüesch-Inderbinen, M., Stephan, R. (2025). Weak phospholipase-positive Listeria monocytogenes: a challenge for the diagnostic laboratory. Diagnostic Microbiology and Infectious Disease 112, 3, 116802. DOI: 10.1016/j.diagmicrobio.2025.116802

Wang, Ch., Wambui, J., Fernandez Cantos, V.M., Jurt, S., Broos, J., Stephan, R., Kuipers, O.P. (2025). Heterologous expression and characterization of estercin A, a new Class II lanthipeptide derived from Clostridium estertheticum CF016, with potent antimicrobial activity against clinically relevant pathogens. Journal of Natural Products 88(2):262-273. doi: 10.1021/acs.jnatprod.4c00814

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Barmettler, K., Kelbert, L., Horlbog, J.A., Cernela, N., Biggel, M., Stephan, R. Salmonella in Swiss and Imported Retail Chicken Meat - a Cross-Sectional Study, Journal of Food Protection, accepted. https://doi.org/10.1016/j.jfp.2025.100532

Kelbert, L., Barmettler, K., Biggel, M., Stephan, R., Nüesch-Inderbinen, M. Occurrence and characteristics of extended-spectrum ß-lactamase-producing Escherichia coli in Swiss and imported retail chicken meat. Journal of Global Antimicrobial Resistance, accepted.

Kelbert, L., Barmettler, K., Horlbog, J.A., Stevens, M.J.A., Cernela, N., Nüesch-Inderbinen, M., Stephan, S. Campylobacter in raw chicken meat at retail level: quantitative and qualitative assessment, genomic profiling and comparison with isolates from human infections. Journal of Food Protection, accepted. https://doi.org/10.1016/j.jfp.2025.100540

Rasper-Hössinger, M., Scherrer, S., Stephan, R., F. Seehusen, R. Stereotypic immune response in Mycobacterium avium ssp. paratuberculosis infection among different Swiss caprine genotypes. Veterinary Pathology, accepted. DOI:10.1177/03009858251322726

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