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Plant Pathology Lab
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The lab uncovers the unseen interactions between plants and viruses in order to protect crops.
AboutAbout the lab
Understanding the unseen world and protecting crops with the latest technology.
The Plant Pathology Lab studies the ability of plant viruses to cause disease and the defense mechanisms plants use against them.
Crop health and growth are strongly influenced by complex, invisible interactions among viruses, microorganisms, insects, and plants.
The lab also works on developing virus-resistant crops and diagnostic methods for detecting viral diseases early.
A wide range of crops, including tomato, potato, soybean, garlic, and strawberry, are used as research materials.
Key terms
- Genome editing
- Technology for deliberately rewriting a specific site in an organism's genetic information (genome).
- Pathogenicity
- The property of a pathogen that causes disease in the host it infects, or the strength of that ability.
- Sequencing
- Reading and analyzing the order of the bases in DNA or RNA.
ResearchResearch themes
The lab studies the pathogenicity of viral pathogens and the defense responses of plants. It also searches for genes that could lead to virus-resistant crops, and develops methods for identifying and quantifying viruses for the diagnosis of viral diseases.
*Illustrative imageHow viruses cause disease
Plants infected with viruses may develop mosaic patterns on their leaves, become distorted, or remain stunted. Since many viruses infect plants without causing symptoms, the lab aims to elucidate the molecular mechanisms that determine why disease occurs.
*Illustrative imageProtecting plants from viruses with genome editing
Using genome editing (CRISPR/Cas9), the lab introduces mutations into plant factors that viruses use for infection, so that viruses can no longer exploit them. This research aims to give plants targeted, pinpoint resistance.
*Illustrative imageDiagnostics that make viruses visible
To find invisible viruses quickly and accurately, the lab develops diagnostic methods that rapidly test whether a plant is infected.
*Illustrative imageUsing data and AI
Through large-scale DNA and RNA sequencing and AI-based data analysis, the lab detects viruses within sequence data and works to elucidate the evolution of viruses and plant defense mechanisms. These findings are also applied to breeding disease-resistant crops.
MembersFaculty
- LecturerKenji Nakahara
- Project LecturerTatsuji Hataya
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Leaf mosaic, green islands and shoestrings- Symptoms of papaya ringspot disease” Plant pests and diseases / CC0 (cropped)
- How viruses cause disease: “Symptoms of Dasheen mosaic (DsMV) virus infection of taro” Plant pests and diseases / CC0 (cropped)
- Protecting plants from viruses with genome editing: “Greenhouse filled with tomato plants and a bucket on the path” Shixart1985 / CC BY 2.0 (cropped)
- Diagnostics that make viruses visible: “PCR tubes” Madprime / CC0 (cropped)
- Using data and AI: “Pepper infected with tomato spotted wilt virus” Carlos Gonzalez / CC BY-SA 3.0 (cropped)
- Related lab (Plant Pathology Lab): “Culture of soil fungus Thanatephorus cucumeris (anamorphic Rhizoctonia solani)” Tashkoskip / CC BY-SA 4.0 (cropped)
- Related lab (Plant Genetic Resources Lab): “Soybeanvarieties” Scott Bauer / Public domain (cropped)
- Related lab (Cell Engineering Lab): “Lilium lancifolium orange tepals with spots - Fukufukurou” Fukufukurou / CC BY-SA 4.0 (cropped)
- Related lab (Crop Physiology Lab): “Cypripedium marcanthum var. rebunense” ほくなん / Public domain (cropped)
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