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Plant Pathology Lab
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The lab uncovers the battle between plants and pathogens at the molecular level and connects it to technologies that protect crops.
AboutAbout the lab
Studying the battle between plants and pathogens scientifically.
The lab studies the interactions between plants and pathogens.
Worldwide, 10-15% of food is lost every year to diseases caused by pathogens, but plants also have a variety of countermeasures against them.
Targeting filamentous fungi (molds), bacteria, and viruses, the lab investigates what this battle actually looks like using the methods of molecular biology and cell biology, aiming to develop new crop protection technologies.
Undergraduates are assigned to the Advanced Biological Science Course in their third year, and to this lab within the course in their fourth year (the graduate school is the Graduate School of Agriculture, Division of Applied Biosciences).
Key terms
- Non-host resistance
- The strong resistance of a plant that is not a host of a given pathogen and cannot be infected by it at all
- Effector
- A molecule that a pathogen delivers into a plant and uses to get past the plant's defenses
- RNA silencing
- A plant defense mechanism that detects the RNA of viruses and other invaders, breaks it down, and stops it from functioning
NewsLab news
A paper on CERK1, which is involved in the chitin response of melon, was published in Plant Signaling & Behavior
A review on applying bacteria on leaf surfaces to plant biotechnology was published
A paper on the key factor that allows brome mosaic virus to infect rice was published in Virus Research
ResearchResearch themes
Targeting plant-pathogenic filamentous fungi, plant-pathogenic bacteria, and plant viruses, the lab studies the interactions between pathogens and plants using the methods of molecular biology and cell biology. Based on the findings, it aims to develop new crop protection technologies.
*Illustrative imageHow plants keep infection out
The cucurbit anthracnose fungus causes disease in plants of the cucurbit family but cannot infect Arabidopsis. The lab identified the regulatory factors and antimicrobial pathways required for this non-host resistance, and showed that the resistance is multilayered and robust.
*Illustrative imageStrategies by which pathogens evade plant defenses
Pathogens that can infect a plant are thought to suppress its resistance with secreted factors called effectors. The lab examines the effectors of the anthracnose fungus using cell biology and comparative genome analysis, aiming to clarify how the host is determined.
*Illustrative imageHow temperature and humidity change the contest between plants and bacteria
Changes in temperature and humidity influence the outcome of the contest between plants and pathogens. Combining experiments with bioinformatics, the lab studies how high temperature and high humidity weaken plant immunity or strengthen bacterial pathogenicity.
*Illustrative imagePlant resistance to viruses
Brome mosaic virus infects barley but not Arabidopsis. The lab studies how RNA silencing and other mechanisms contribute to this resistance, and is also working to discover new resistance genes.
MembersFaculty
The lab's members are faculty, postdoctoral researchers, administrative assistants, and doctoral, master's, and undergraduate students.
- ProfessorYoshitaka Takano
- Associate ProfessorKazuyuki Mise
- Associate ProfessorAkira Mine
- Assistant ProfessorOGAWA Suthitar
- Program-Specific Assistant ProfessorRu Zhang
- Program-Specific Assistant ProfessorChujia Jin
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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: “Septoria-tritici” Maccheek / Public domain (cropped)
- How plants keep infection out: “Starr- -Ipomoea pes caprae subsp brasiliensis-leaf with Cercospora leaf spot-West Coast-Laysan ( )” Forest and Kim Starr / CC BY 3.0 us (cropped)
- Strategies by which pathogens evade plant defenses: “Zwiebel Schmutzfleckenkrankheit (Colletotrichum dematium f. sp. circinans) - G-Bedlan, Wien” Gerhard Bedlan, Univ.Doz. Dr.phil., Institut für Pflanzenschutz,3430 Tulln an der Donau, Österreich. / CC BY-SA 4.0 (cropped)
- How temperature and humidity change the contest between plants and bacteria: “DSC08097 bacterial leaf blight of panax ( )” Scot Nelson / CC0 (cropped)
- Plant resistance to viruses: “"Feathering" of taro (Colocasia esculenta) leaf infected with Dasheen mosaic virus (DsMV)” Plant pests and diseases / CC0 (cropped)
- Related lab (生態情報開発学分
野): “Colony of Red spider mites (Tetranychus urticae)” Aleksey Gnilenkov from Moscow, Russia / CC BY 2.0 (cropped) - Related lab (栽培植物起原学分野): “Field of buckwheat in Brazil” Jose.brenner / CC BY-SA 3.0 (cropped)
- Related lab (育種学分野): “Ears of Wheat - Aylesham, Dover district of Kent - England” ㇹヮィㇳ / CC BY 2.0 (cropped)
- Related lab (植物遺伝学分野): “GBIF” Andre Hosper / CC BY 4.0 (cropped)
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