SBCNV1 viral-based nematicide and gene vector for plant-parasitic nematode biocontrol
A novel viral biocontrol platform leveraging Sugar beet soybean cyst nematode virus 1 (SBCNV1) to combat soybean cyst nematode, sugar beet cyst nematode, and root-knot nematode. The virus's small genome, plus-sense RNA structure, and vertical transmission make it ideal as both a nematicide and a functional genomics tool for plant-parasitic nematodes.
Overview
This research program focuses on developing Sugar beet soybean cyst nematode virus 1 (SBCNV1) into a dual-purpose solution for agriculture: a viral-based nematicide to control destructive plant-parasitic nematodes, and a genetic tool for functional genomics of these pests. The target nematodes include soybean cyst nematode (SCN), sugar beet cyst nematode (SBCN), and root-knot nematode (RKN)—organisms that cause significant yield losses in major crops worldwide. By exploiting the natural biology of SBCNV1, the program aims to deliver an environmentally friendly biocontrol alternative to chemical nematicides while also providing researchers with a gene delivery vector to study nematode gene function.
Technical specifications
Key features of SBCNV1:
- Small genome size relative to other viruses isolated from plant-parasitic nematodes, enabling easier manipulation and delivery
- Plus-sense RNA genome, which simplifies infectious clone construction and replication
- Vertical transmission through nematode life stages, supporting sustained biocontrol efficacy
- Established reverse-genetic system for targeted modification of the viral genome
- Validated experimental techniques for wild-type virus inoculation and routine detection across nematode life stages
Research capabilities:
- Collaborative team with expertise spanning virology, nematology, genomics, synthetic biology, and biotechnology
- Ongoing evaluation of delivery methods for infectious cDNA clones to nematode populations in soil
- Plans to engineer modified cDNA clones that function as gene vectors for functional genomics applications
Technology readiness level
The platform is currently at an early-to-mid development stage. Foundational techniques have been established, including virus inoculation protocols, detection methods across nematode life stages, and a working reverse-genetic system. Immediate next steps focus on optimizing practical soil-based inoculation approaches for SCN, SBCN, and RKN populations and refining infectious cDNA clone delivery. Subsequent phases will engineer the clones into functional gene vectors. The technology is not yet commercially deployed and requires further validation before field application.
About University of Tennessee, Knoxville
UT offers a partnership model that reduces risk, accelerates time-to-value, and supports long-term growth strategies for industry—providing an attractive platform for companies seeking to formalize collaboration and establish a long-term presence in the East Tennessee region. By aligning institutional investment with regional and national priorities, UT provides a stable and effective platform for industry collaboration, technology deployment, and sustained economic impact.
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