Prof. Georg von Samson-Himmelstjerna
Project C5: Comprehensive molecular and proteomic cyathostomin species delineation
PhD students: Christina Bredtmann (C5-1), Irina Diekmann (C5-2), Alexander Gerhardt (associated 1)

Freie Universität Berlin
Department of Veterinary Medicine
Institute for Parasitology and Tropical Veterinary Medicine
Member of the RTG 2046 Steering Group
Research interest:
- Epidemiology
- Diagnosis of Parasitic Nematodes
Gerhard, A.P.; Krücken, J.; Neveu, C.; Charvet, C.L.; Harmache, A.; von Samson-Himmelstjerna, G.
Pharyngeal Pumping and Tissue-Specific Transgenic P-Glycoprotein Expression Influence Macrocyclic Lactone Susceptibility in Caenorhabditis elegans.
Pharmaceuticals 2021, 14, 153.
doi: 10.3390/ph14020153
Prüter H, Franz M, Twietmeyer S, Böhm N, Middendorff G, Portas R, Melzheimer J, Kolberg H, von Samson‑Himmelstjerna G, Greenwood AD, Lüschow D, Mühldorfer K, Czirják GÁ. (2020).
Increased immune marker variance in a population of invasive birds.
Sci Rep 10:21764
doi: 10.1038/s41598-020-78427-7
Gerhard, A.P.; Krücken, J.; Heitlinger, E.; Janssen, I.J.; Basiaga, M., Kornaś, S.; Beier, C.; Nielsen, M.K.; Davis, R.E.; Wang, J.; von Samson-Himmelstjerna, G. (2020)
The P-glycoprotein repertoire of the equine parasitic nematode Parascaris univalens
Sci. Rep.; Volume 10, Article no.: 13586
doi: 10.1038/s41598-020-70529-6
Bredtmann CM, Krücken J, Kuzmina T, Louro M, Madeira de Carvalho LM, von Samson-Himmelstjerna G. (2019)
Nuclear and mitochondrial marker sequences reveal close relationship between Coronocyclus coronatus and a potential Cylicostephanus calicatus cryptic species complex.
Infect Genet Evol. 2019 Jul 9:103956.
doi: 10.1016/j.meegid.2019.103956. [Epub ahead of print]
Bredtmann CM, Krücken J, Murugaiyan J, Balard A, Hofer H, Kuzmina TA, von Samson-Himmelstjerna G. (2019)
Concurrent Proteomic Fingerprinting and Molecular Analysis Of Cyathostomins.
Proteomics. 2019 Feb 20:e1800290.
doi: 10.1002/pmic.201800290
Yilmaz, E, Wongkamchai, S, Ramünke, S, Koutsovoulos, Blaxter, M, Popper, S, Schaper, R, von Samson-Himmelstjerna G, Krücken,J. (2018):
High genetic diversity in the Dirofilaria repens species complex revealed by complete and partial mitochondrial genomes of canine and feline microfilaria samples from Thailand.
Transboundary and Emerging Diseases
doi: 10.1111/tbed.13033
Bredtmann C, Krücken J, Murugaiyan J, Kuzmina T, von Samson-Himmelstjerna G (2017)
Nematode Species Identification—Current Status, Challenges and Future Perspectives for Cyathostomins, Front Cell Infect Microbiol.; 7: 283.
doi: 10.3389/fcimb.2017.00283, PMCID: PMC5487379
Yilmaz E, Fritzenwanker M, Pantchev N, Lendner M, Wongkamchai S, Otranto D, Kroidl I, Dennebaum M, Thanh H, Tran A, Ramünke S, Schaper R, von Samson-Himmelstjerna G, Krücken, J (2016):
The mitochondrial genomes of the zoonotic canine filarial parasites Dirofilaria (Nochtiella) repens and Candidatus Dirofilaria (Nochtiella) hongkongensis provide evidence for presence of cryptic species. PLoS Negl Trop Dis 10:e0005028.
doi:10.1371/journal.pntd.0005028. (GRK not acknowledged).
Maaz, D.; Rausch, S; Richter, D; Krücken, J; Kühl, AA; Demeler, J; Blümke, J; Matuschka, F.-R.; Samson-Himmelstjerna, G. v.; Hartmann, S (2016):
Susceptibility to ticks and Lyme disease spirochetes is not affected in mice co-infected with nematodes.; Infection and immunity; 84(5), S. 1274–1286
doi: 10.1128/IAI.01309-15, Pubmed: 26883594