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THE CHEMICAL WARFARE BETWEEN PLANTS AND INSECTS: From pathway discovery to functional diversification of toxins

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Plants produce an astounding diversity of toxic compounds against herbivores, especially insects. This creates a selective pressure on specialized insects to evolve counter-adaptations. Our group has demonstrated how biochemical pathways for specialized metabolites have evolved independently in different lineages and even between Kingdoms of Life. In my talk I will focus on: (1) on the many roles of cyanogenic glucosides in the six-burnet moth (Zygaena filipendula) and in Heliconius butterflies; and (2) on the insect deterrent triterpenoid saponins produced by the wild crucifer Barbarea vulgaris.

This talk is part of the Behaviour, Ecology & Evolution Seminar Series series.

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