Co-workers at the Work & Party Day

Welcome to the Max Planck Institute for Chemical Ecology

We investigate how organisms interact with chemical signals.
Experiments with vinegar flies. Photo: Anna Schroll

We do research in the lab to better understand interactions at a molecular level.

Photo: Anna Schroll
Experiments on Solanum plants. Photo: Anna Schroll

We do research in the glasshouse and in the field to better understand interactions and signals in their natural environment.

Photo: Anna Schroll
Logo of the initiative "Weltoffenes Thüringen"

We support the Initiative “Weltoffenes Thüringen”.

We are committed to ensuring that people from different backgrounds live and work together in a respectful manner.
At an event in the seminar room of the institute

Training and international collaborations are key features of our work.

The MPI-CE team participating the company run in Jena.

We believe diversity and inclusion leads to the best science.

Research News

Ants clustered around larvae on a light surface.
Researchers have discovered a brood pheromone released by larvae of clonal raider ants that temporarily suppresses egg-laying in adult ants.
Fluorescent-stained cells in vibrant colors under a microscope.
An introduced bacterium displaces the sawtoothed grain beetle's symbiotic partner, leading to the complete collapse of a previously stable symbiosis within a few generations.
In a greenhouse, three scientists in lab coats focus on a molecular model, surrounded by various potted plants and greenery.
Newly discovered enzymes found in the cinchona tree play a crucial role in the production of the malaria drug quinine and other important alkaloids. This opens up possibilities for the biotechnological production of these active ingredients.

Current News and Announcements

Publications

Carr, S. C.; Wu, S.; Gase, K.; Nakamura, Y.; Kamileen, M. O.; Kunert, M.; Heinicke, S.; Kang, M.; Grabe, V.; Caputi, L. et al.; O’Connor, S. E.: An auxiliary protein tunes reductase activity in alkaloid biosynthesis. bioRxiv: the preprint server for biology (2026)
Schober, S.; Dorfmann, L.; Walther, K.; Blei, F.; Chadeayne, A. R.; Gressler, M.; Bartram, S.; O’Connor, S. E.; Hoffmeister, D.: Specific and multi-product clade I and clade IV sesquiterpene synthases contribute to the Psilocybe cubensis volatilome. ChemBioChem: A European Journal of Chemical Biology 27 (8), e70318 (2026)
Ouadah, Y.; Naragon, T. H.; Smihula, H.; Behrman, E. L.; Khallaf, M. A.; Ding, Y.; Stern, D. L.; Parker, J.; Anderson, D. J.: Evolutionary basis of male same-sex sexual behavior by multiple pheromone switches in Drosophila. Current Biology 36 (7), pp. 1716 - 1736.e6 (2026)

News

Starting May 1, the biochemist and professor of Biostructural Interactions at Friedrich Schiller University Jena will also lead a research group at the Max Planck Institute for Chemical Ecology.
The former Max Planck director is honored with the Leibniz-HKI's highest award for his groundbreaking scientific achievements and longstanding support of natural product research.
Postdoctoral researcher honored for breakthrough research on plant-based medicines

Events and Seminars

Axel Mithöfer

Pflanzliche Verteidigung - In Jena und der Arktis
Jun 4, 2026 11:30 AM (Local Time Germany)
Hybrid lecture (online via zoom & MPI-CE, A1.009 + A1.011)

Various MPI-CE senior scientists

Institute Symposium
Sep 10, 2026 09:00 AM (Local Time Germany)
BGC Lecture Hall
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