Group publications

Datta, M.; Luck, K.; Wu, S.; Chen, F.; Ulrich, Y.; O’Connor, S. E.; Köllner, T. G.: Independent evolution of geraniol-8-hydroxylase activity involved in iridoid formation in the Argentine ant (Linepithema humile). Insect Biochemistry and Molecular Biology 186, 104441 (2026)

Jiang, N.-J.; Bhat, B. A.; Briceño Aguilar, E.; Lehmann, A.; Ulrich, Y.; Hansson, B. S.; Knaden, M.: Oxidizing pollutants can disrupt nestmate recognition in ants. Proceedings of the National Academy of Sciences of the United States of America 123 (6), e2520139123 (2026)

Lo, L. K.; Baruah, A.; Paxton, R. J.; Ulrich, Y.: Experimental infections with a honey bee virus induce fitness costs in ant colonies. Biology Letters 22 (4), 20250779 (2026)

Alam, R. M.; Nakamura, Y.; Bartram, S.; Ueberschaar, N.; Zetzsche, T.; Ulrich, Y.; O’Connor, S. E.; Köllner, T. G.: Identification and stereoselective total synthesis of an insect homosesquiterpene from the clonal raider ant Ooceraea biroi. Journal of Natural Products 88 (9), pp. 2107 - 2116 (2025)

Li, Z.; Wang, Q.; Knebel, D.; Grabe, V.; Ulrich, Y.: Division of labour in colony defence in a clonal ant. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences 380 (1922), 20230270 (2025)

Piqueret, B.; Weißflog, J.; Tretter, S.; Zetzsche, T.; Veit, D.; Bartram, S.; Halitschke, R.; Ulrich, Y.: Offspring chemical control of adult reproductive transitions in a social insect. Proceedings of the National Academy of Sciences of the United States of America 123 (15), e2526776123 (2025)

Li, Z.; Bhat, B.; Frank, E. T.; Oliveira-Honorato, T.; Azuma, F.; Bachmann, V.; Parker, D. J.; Schmitt, T.; Economo, E. P.; Ulrich, Y.: Behavioural individuality determines infection risk in clonal ant colonies. Nature Communications 14, 5233 (2023)

Stockmaier, S.; Ulrich, Y.; Albery, G. F.; Cremer, S.; Lopes, P. C.: Behavioural defences against parasites across host social structures. Functional Ecology 37 (4), pp. 809 - 820 (2023)

Jud, S. L.; Knebel, D.; Ulrich, Y.: Intergenerational genotypic interactions drive collective behavioural cycles in a social insect. Proceedings of the Royal Society B: Biological Sciences 289 (1986), 20221273 (2022)

Kay, T.; Alciatore, G.; La Mendola, C.; Reuter, M.; Ulrich, Y.; Keller, L.: A complete absence of indirect genetic effects on brain gene expression in a highly social context. Molecular Ecology 31 (21), pp. 5602 - 5607 (2022)

Alciatore, G.; Ugelvig, L. V.; Frank, E.; Bidaux, J.; Gal, A.; Schmitt, T.; Kronauer, D. J. C.; Ulrich, Y.: Immune challenges increase network centrality in a queenless ant. Proceedings of the Royal Society B: Biological Sciences 288 (1958), 20211456 (2021)

Knebel, D.; Rigosi, E.: Temporal and structural neural asymmetries in insects. Current Opinion in Insect Science 48, pp. 72 - 78 (2021)

Bhat, B.; Jiang, N.-J.; Halitschke, R.; Ulrich, Y.: Nematode infections induce distinct chemical signatures and provoke aggression in ants. Biology Letters 22 (4), 20250716 (2026)

Li, Z.; Ng, T. H.; Keller, J.; Masson, F.; Grabenweger, G.; Lemaitre, B.; Stroeymeyt, N.; Kaltenpoth, M.; Ulrich, Y.: A controlled test of risk-dependent immune investment in a clonal ant. bioRxiv: the preprint server for biology (2025)