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Plant Genetic Resources Lab
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A lab that uncovers how plant diversity arises and expands genetic resources.
AboutAbout the lab
Understanding plant diversity and expanding the possibilities for using it.
The Plant Genetic Resources Lab conducts research aimed at understanding the diversity of traits that plants have and expanding the possibilities for their use.
Targeting a variety of plants, including major crops, flowers, and model plants for experiments, the lab investigates the mechanisms that generate genetic diversity.
The lab has carried out research using its large collection of wild and cultivated soybean lines.
It also works on developing technologies to alter specific traits through genome editing and genetic modification.
Key terms
- Genetic resources
- Organisms with genetic traits that are useful, or may become useful in the future, for breeding and manufacturing
- RNA silencing
- A phenomenon in which the activity of a specific gene is suppressed on the basis of similarity in RNA base sequences
- Epigenetic
- A change in how genes function that occurs without any change in the DNA base sequence and is passed on
ResearchResearch themes
Targeting a variety of plants, the lab aims to elucidate the mechanisms that generate genetic diversity. Based on the control of gene expression using the functions of RNA and epigenetics, the induction of mutations, and similar approaches, it conducts research to broaden plant diversity as genetic resources.
*Illustrative imageMechanisms of RNA silencing
RNA silencing is a phenomenon in which gene activity is suppressed on the basis of regions with similar RNA base sequences. Using petunia, soybean, Arabidopsis, and tobacco as materials, the lab studies how it occurs.
*Illustrative imageHow flower patterns form
In petunia cultivars such as Red Star and Picotee, parts of the petals are not colored. The lab has shown that this is caused by RNA silencing of pigment-producing genes, and aims to clarify the mechanism.
*Illustrative imageEpigenetic changes and breeding
The lab studies the mechanisms of epigenetic changes, in which the state of gene expression changes without any change in the gene sequence. It also conducts research on using these changes in breeding, such as the control of flavonoid production.
*Illustrative imageGenome editing in soybean and adzuki bean
The lab is building the systems needed for genome editing in soybean and adzuki bean. It explores the potential of genome editing as a new breeding technology and also uses it to create materials for studying gene function.
MembersFaculty
- ProfessorAkira Kanazawa
- Associate ProfessorTetsuya Yamada
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: “Soybeanvarieties” Scott Bauer / Public domain (cropped)
- Mechanisms of RNA silencing: “Petunia x hybrida” kallerna / CC BY-SA 3.0 (cropped)
- How flower patterns form: “Red and White Star Petunia in Athens on May 7, 2023” George E. Koronaios / CC BY-SA 2.0 (cropped)
- Epigenetic changes and breeding: “Bagged rice panicles” Desmanthus4food / CC BY-SA 3.0 us (cropped)
- Genome editing in soybean and adzuki bean: “CSIRO ScienceImage 4689 Soya bean crop ColeamballyNSW” Gregory Heath, CSIRO / CC BY 3.0 (cropped)
- Related lab (Cell Engineering Lab): “Lilium lancifolium orange tepals with spots - Fukufukurou” Fukufukurou / CC BY-SA 4.0 (cropped)
- Related lab (Plant Pathology Lab): “Leaf mosaic, green islands and shoestrings- Symptoms of papaya ringspot disease” Plant pests and diseases / CC0 (cropped)
- Related lab (Animal Ecology Lab): “Salvelinus malma malma from Quicksilver Creek” Jim Gaither, U.S. Fish and Wildlife Service / Public domain (cropped)
- Related lab (Hoshino Lab): “Lonicera kamtschatica” Doronenko 08:29, 9 April 2007 (UTC) / CC BY 2.5 (cropped)
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