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Plant Breeding Lab
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A lab that works out the genetic mechanisms behind important traits in wheat and soybean and applies them to crop breeding.
AboutAbout the lab
Supporting the foundation of food production through breeding.
The Plant Breeding Lab studies the genetic mechanisms that determine agriculturally important traits in major crops such as rice, wheat, and soybean.
The lab aims to apply these results to developing new varieties.
The main study material is wheat. Using genome information and landraces from around the world, the lab carries out research to speed up breeding.
Undergraduates are assigned to the Plant Production Science Course in their third year, and to this field within the course in their fourth year (graduate school: Graduate School of Agriculture, Division of Agronomy and Horticultural Science).
Key terms
- landrace
- A crop line that has been cultivated and adapted to local conditions in a region since before modern breeding began
- genetic recombination
- The exchange of parts between paired chromosomes when chromosomes are passed from parent to offspring, producing new combinations of genes
- rhizobia
- Bacteria that form nodules on the roots of legumes and live there, converting nitrogen in the air into a form the plant can use
ResearchResearch themes
Plant breeding is the planned genetic improvement of plants. Centered on wheat, the lab studies methods that use genome information and genetic resources to speed up variety improvement, as well as the mechanisms that control crop growth.
*Illustrative imageSpeeding up wheat breeding with genome information
The lab joined an international consortium and took part in determining the genome sequence of bread wheat. It evaluates the diversity of landraces introduced to East Asia using genome information, and is building sets of lines that make use of that diversity.
*Illustrative imageFinding factors that speed up breeding
The lab works on artificially controlling the frequency of genetic recombination, which is suppressed across most of the chromosomes of grasses; on the function of genes that cause structural abnormalities in wheat chromosomes; and on developing technologies to measure phenotypes accurately.
*Illustrative imageCompatibility between soybean and rhizobia
Focusing on the fact that the proportions of rhizobia species attached to the roots differ among soybean cultivars, the lab is searching for the genetic factors on the soybean side that determine compatibility. It examines the diversity of symbiotic relationships by varying cultivars and soils.
*Illustrative imageWhen wheat becomes an adult
Plants move from a juvenile to an adult phase while changing leaf shape and photosynthetic activity. The lab investigates the mechanism of this phase change using wheat mutants, and also explores at the gene level the changes that accompanied domestication and breeding.
MembersFaculty
The members of the Plant Breeding Lab are faculty, lab administrative staff, research students, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorShuhei Nasuda
- Associate ProfessorMasayoshi Teraishi
- Associate ProfessorSERAG ALNOR Yasir
- Assistant ProfessorKanata Senoo
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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: “Ears of Wheat - Aylesham, Dover district of Kent - England” ㇹヮィㇳ / CC BY 2.0 (cropped)
- Speeding up wheat breeding with genome information: “Wheat ear close-up in a field Bangladesh 01” A S M Jobaer / CC BY-SA 4.0 (cropped)
- Finding factors that speed up breeding: “Meiosis crossover” Boumphreyfr / CC BY-SA 3.0 (cropped)
- Compatibility between soybean and rhizobia: “Soybean-root-nodules” 作者不詳 / Public domain (cropped)
- When wheat becomes an adult: “3-old day seedlings of wheat” Oksana Lastochkina / CC BY-SA 4.0 (cropped)
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