Research Focus

What we are researching

The Max Planck Institute for Chemical Ecology investigates how organisms communicate with each other via chemical signals. We analyze ecological interactions using molecular, chemical and neurobiological techniques. Chemical Ecology examines the role of chemical signals that mediate the interactions between plants, animals, and their environment, as well as the evolutionary and behavioral consequences of these interactions. In the Institute, organic chemists, biochemists, ecologists, entomologists, behavioral scientists, insect geneticists and physiologists work in collaboration to unravel the complexity of chemical communication that occurs in nature.

Chemical ecology is the study of the role, diversity, and properties of chemical signals that mediate interactions between organisms and their environment. The overarching goals of our research are to gain fundamental insights into chemical communication between plants, insects, and microorganisms and to understand how these interactions influence the development of organisms and the evolution of species. Since plants are sessile organisms, they require effective strategies for dispersing their offspring. We also aim to understand the processes in insect brains that control behavior.

We study how plants adapt to their environments and identify the chemical compounds they produce to attract pollinators, fend off herbivores and pathogens, and repel competitors. Over the course of evolution, insects have adapted to the survival strategies of plants. Therefore, we analyze the genetics, physiology, and behavior of herbivorous insects. Insects also use plant substances to protect themselves against predators. Some insects sequester toxic compounds, and others signal that they should not be eaten by exhibiting their bright colors.

Microorganisms play a crucial role in the fitness of plants and insects. Some are pathogens, while others help supply nutrients or boost the immune system. We aim to determine their respective roles. Of special interest is how insects perceive odors and tastes.

We investigate how insects "translate" the vocabulary of odors emitted by plants and other insects, how odors influence their behavior when searching for food and sexual partners, and how they locate ovipositing sites where their offspring can thrive.