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Scientists have uncovered a crucial step in recreating the complex chemistry of two highly poisonous plants—wolfsbane and larkspur—raising hopes for the development of new treatments for pain, malaria, cancer and agricultural pests.
The research, conducted by scientists from Michigan State University (MSU) and the Czech Academy of Sciences, was published in the journal Molecular Plant.
Although wolfsbane and larkspur can cause nerve damage and paralysis even in very small doses, they also produce unique natural compounds with significant pharmaceutical potential. Researchers have now identified a way to reproduce part of this chemical process in the laboratory, paving the way for more sustainable production of these valuable molecules without relying solely on harvesting toxic plants.
“These plants have been used in different forms of medicine throughout the world for thousands of years,” said Garret Miller, co-first author of the study and an assistant professor of biotechnology at the University of Michigan-Flint. He said understanding how these compounds are produced could open new avenues for scientific testing and drug discovery.
The researchers noted that plants remain unparalleled in their ability to create complex natural chemicals that have evolved over millions of years. Many familiar substances—including caffeine, capsaicin, menthol and vanillin—as well as numerous modern medicines, are derived from or inspired by plant chemistry.
The study focused on diterpenoid alkaloids, a family of highly toxic compounds produced by larkspur and related plants. While these chemicals are dangerous, scientists believe they could also serve as the basis for future medicines and environmentally friendly pesticides.
According to the research team, diterpenoid alkaloids have long puzzled scientists because of their exceptionally complex molecular structures. By identifying a key step in the plants’ biosynthetic pathway, the new findings provide an important breakthrough in understanding how nature assembles these compounds.
Researchers say the discovery could ultimately enable the large-scale, laboratory-based production of promising plant-derived compounds, reducing dependence on wild plants while accelerating the development of new pharmaceuticals and crop-protection products.