Researchers Develop Plant-Based Veterinary Vaccines
The REPRODIVAC project uses tobacco plants to produce vaccines against livestock diseases.
Updated on Oct. 29, 2026 in Botany
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An international research team led by ENEA is developing plant-derived veterinary vaccines to combat major livestock diseases. By using Nicotiana benthamiana plants as bioreactors, the project aims to create a more cost-effective alternative to traditional mammalian cell cultures.
Why it matters
The initiative targets zoonotic diseases that threaten both animal health and human safety, potentially mitigating global economic losses of up to 200 billion dollars annually. This technology seeks to reduce the high costs associated with traditional vaccine production.
Researchers use the bacterium Agrobacterium tumefaciens to introduce genetic data into Nicotiana benthamiana, which then serve as living bioreactors for antigen synthesis. The project recently optimized production protocols for vaccines targeting Chlamydia abortus.
The players
ENEA
This is the Italian National Agency for New Technologies, Energy and Sustainable Economic Development which coordinates the REPRODIVAC project.
The details
The project involves 16 partners across 7 countries and focuses on diseases including swine brucellosis, Q fever, and porcine reproductive and respiratory syndrome. Genetic material is inserted into plant tissue, allowing the plants to synthesize biopharmaceuticals that are later purified.
Timeline
Project teams defined immune responses and performed initial trials over the first 36 months.
Researchers are currently refining the production process for C. abortus vaccines.
The Big Picture
The REPRODIVAC project marks a significant shift toward molecular farming in veterinary medicine by moving beyond traditional cell culture techniques. This approach challenges legacy production paradigms by utilizing plants to synthesize complex pharmaceutical antigens.
Successful development of these vaccines could lower production costs and improve the availability of treatments for zoonotic diseases. These advancements may eventually lead to more affordable and scalable disease prevention methods for the global agricultural sector.
The takeaway
Plant-based production methods offer a potentially sustainable and rapid way to address critical threats to livestock health. These veterinary innovations highlight how agricultural biotechnology can directly tackle global economic and public health challenges.
Further reading
Learn more about the latest innovations in Botany.
Source note: This article includes information reported by Media ENEA.
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