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Plant Molecular Biology Lab
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The lab uses the power of plants to produce useful substances and new varieties.

AboutAbout the lab
Taking on manufacturing and crop breeding with the power of plants.
The Plant Molecular Biology Lab draws on knowledge from plant science to conduct research aimed at applications in plant biotechnology.
Using technology that makes plants produce large amounts of protein, the lab works on producing useful substances such as allergens.
It also conducts research on creating new plant varieties through genome editing, and on how plants respond to environmental stresses such as cold and drought.
On the lab's website, it is introduced under the name "Plant Molecular and Cell Biology Lab."
Key terms
- Tsukuba System
- The name of an expression system improved in the lab that makes plants transiently produce large amounts of protein
- Genome editing
- A technology that rewrites specific locations in an organism's genetic information. It is used, for example, to produce tomatoes with high sugar content
- ICE1
- A transcription factor that plays an important role when plants sense cold and transmit that information within the plant
NewsLab news
Paper on producing MHC class II in plants published
Paper on genome-editing-induced mutations that increase sugar and GABA levels published
Paper published in Frontiers in Genome Editing
Student first-author paper officially published
Paper showing that ethanol spraying promotes tomato growth published
ResearchResearch themes
The lab draws on knowledge from plant science to conduct research aimed at applications in plant biotechnology. Its research centers on the mass production of useful substances in plants, the development of new varieties through genome editing, and elucidating how plants respond to environmental stresses.
*Illustrative imageMass-producing useful substances in plants
Using the "Tsukuba System," which makes plant cells produce large amounts of protein, the lab aims to establish methods for mass-producing useful substances such as allergens. It works with medical researchers on producing pollen allergens, and also conducts joint research with companies.
*Illustrative imageCreating new varieties through genome editing
The lab uses genome editing technology to develop new varieties of crops such as tomato, soybean, and bell pepper. It is also working on producing tomatoes with high sugar content, and on developing technology to carry out genome editing efficiently without leaving transgenes behind.
*Illustrative imageMechanisms of response to environmental stress
The lab studies how plants sense environmental stresses such as cold and drought and transmit that information within the plant. It is searching for factors involved in regulating ICE1, a transcription factor important in cold signaling, and aims to clarify the detailed mechanism.
MembersFaculty
The Plant Molecular Biology Lab consists of faculty members, postdoctoral researchers, doctoral students, master's students, undergraduate students, and technical assistants.As of 2026
- ProfessorKenji Miura
- Assistant ProfessorShohei Nozaki
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: “Watering small tomato plants in a greenhouse” Shixart1985 / CC BY 2.0 (cropped)
- Mass-producing useful substances in plants: “Agroinfiltration” Chandres / CC BY 3.0 (cropped)
- Creating new varieties through genome editing: “Red bell pepper” AntanO / CC BY-SA 4.0 (cropped)
- Mechanisms of response to environmental stress: “Frost on plants 02” Syrio / CC BY-SA 4.0 (cropped)
- Related lab (Plant Physiology Lab): “Greenhouse at Plants Galore - geograph.org.uk - 4478771” Derek Harper / CC BY-SA 2.0 (cropped)
- Related lab (Photosynthetic Metabolism Regulation Lab): “Red Algae Haematococcus pluvialis 1000X” Rendodge / CC BY 4.0 (cropped)
- Related lab (Plant Molecular Physiology Lab): “ISS-56 Arabidopsis plants inside the Advanced Plant Habitat (1)” NASA / Public domain (cropped)
- Related lab (Sakurai Lab): “Patch clamp schematic 2” PeaBrainC / CC BY-SA 4.0 (cropped)
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