Organ-Specific Responses to Plant Secondary Metabolites Reveal Mechanisms of Adaptation.
Many insects feed on plants that produce toxic secondary metabolites. The Rattlebox plant (Crotalaria) produces Pyrrolizidine Alkaloids (PAs) that protect it from most herbivores, but some insects, including the Bella moth (Utetheisa ornatrix), can metabolize, sequester, and repurpose its chemical defenses. However, or...