Researchers at the University of Missouri (Mizzou) have developed rice plants that resist bacterial blight, a destructive disease that threatens rice production and farmers’ livelihoods. The findings could offer new ways to protect harvests, particularly in parts of Asia and Africa, where the disease can cause substantial agricultural losses.
The research was led by Bing Yang, a Curators’ Distinguished Professor in the College of Agriculture, Food and Natural Resources. His team investigated how bacterial blight interacts with rice at the genetic level to identify ways to strengthen the plant’s natural defences.
“Bacterial blight can wreak havoc on rice crops, reducing both yield and quality, which creates serious challenges for farmers who depend on the staple grain,” Yang said. “Our lab investigates how bacterial blight interacts with rice at the genetic level — knowledge that helps us identify ways to strengthen the plant’s natural defenses.”
The work could eventually contribute to the development of stronger crop varieties capable of resisting diseases and other environmental stresses. However, the researchers emphasise that further work is necessary before the newly developed rice plants can reach commercial farms.
Further Testing Needed Before Commercial Use
The Mizzou team must transfer its findings from a laboratory rice line into varieties cultivated commercially. Researchers will also need to conduct additional tests, meet regulatory requirements and establish partnerships with industry to support the commercialisation of any resulting varieties.
Consequently, farmers may have to wait several years before they can cultivate rice developed using this approach.
Beyond rice, Yang believes the research could provide a foundation for addressing agricultural challenges in other crops, including corn and soybeans. The same genetic approach could potentially help scientists develop plants better equipped to withstand diseases, drought and extreme temperatures.
“Our recent breakthrough paves the way to explore genetic solutions to a range of challenges that farmers face across Missouri and nationwide, from devastating plant diseases to drought and extreme temperatures,” Yang, an investigator in the Bond Life Sciences Center, said. “By developing crops that are better equipped to withstand these stresses, we can help farmers protect yields, strengthen agricultural resilience and prepare for an increasingly challenging growing environment.”
OpenCRISPR-1 Brings AI Into Crop Gene Editing
The breakthrough relies on OpenCRISPR-1, an AI-designed gene-editing tool that allows researchers to make targeted changes to an organism’s DNA. Such modifications can help scientists alter genes associated with particular traits, including those that make plants vulnerable to disease.
Originally developed by California biotechnology company Profluent, OpenCRISPR-1 had previously been demonstrated in animal cells. Yang’s team adapted the technology for use in rice, expanding its potential applications in agricultural research.
One notable feature of the tool is its accessibility. Unlike proprietary gene-editing technologies that may require licensing agreements for commercial applications, OpenCRISPR-1 is open source and available for research and crop genome-editing commercialisation.
“Unlike proprietary gene-editing tools that may require licensing agreements for commercial use, OpenCRISPR-1 is open source and free for research and commercialization of crop genome editing,” Yang said. “That accessibility gives researchers and companies greater flexibility to explore new genetic solutions and develop crop varieties with valuable agricultural traits.”
Making the tool freely accessible could give researchers and agricultural companies greater flexibility to investigate genetic solutions to crop production challenges.
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