Press Releases

Hormonal teamplay in trees

In poplars, two plant hormones boost each other in defense against pathogenic fungi more

Scientists decode chemical defense against plant sap-sucking leafhoppers

Combining field research with molecular biology and chemical analyses puts researchers on the trail of a new defense mechanism in tobacco plants more

Unexpected benefits from food competitors

When laying their eggs, female hawkmoths rather share a host plant with competitors in order to escape from parasitic wasps. more

Gut enzyme in cockchafer larvae activates dandelion defense mechanism

Removing the sugar component from a toxin in dandelion roots increases larval growth while simultaneously deterring the larvae from feeding. more

Learning helps tobacco hawkmoths to select a nectar source and oviposition site more efficiently

Learned odors influence the moths' preferences for certain flowers and host plants. Olfactory sensory cells on the proboscis, on the other hand, play no role in learning. more

Prehistoric Climate Change Repeatedly Channelled Human Migrations Across Arabia

New research shows that over the last 400,000 years, multiple pulses of increased rainfall transformed the generally arid Arabian Peninsula into a hospitable route for human population movements across Southwest Asia. more

The evolution of vinegar flies is based on the variation of male sex pheromones

Max Planck researchers decipher the chemical language underlying mating in 99 species of the genus Drosophila. more

A beetle’s Achilles heel

Glyphosate inhibits symbiotic bacteria in the saw-toothed grain beetle more

Horseradish flea beetle: Protected with the weapons of its food plant

Researchers elucidate how the insect regulates the accumulation of plant toxins via special transporters. more

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