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Plant Molecular Genetics Lab (comprising the Inagaki, Takenaka, and Tsugeki Groups)
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A lab that explores how heredity works in plants through epigenomes and RNA editing.

AboutAbout the lab
Information outside the genes determines a plant's individuality.
The Plant Molecular Genetics Lab studies how heredity works in plants through three groups: Inagaki, Takenaka, and Tsugeki.
Its themes are the establishment and inheritance of epigenomes such as DNA methylation, RNA editing in mitochondria and chloroplasts, and plant stem cells and organ formation.
Key terms
- Epigenome
- The whole set of marks attached to DNA and histones, rather than the DNA sequence itself. It determines which genes are active.
- RNA editing
- A mechanism by which some of the letters (bases) of an RNA that has already been made are rewritten afterward.
- Stem cell
- A cell that divides to renew itself while also serving as the source of many different kinds of cells.
ResearchResearch themes
Using plants, the lab studies the establishment, inheritance, and environmental response of epigenome information, RNA editing in organelles, and plant stem cells and organ formation.
*Illustrative imageEpigenomes and Adaptation to the Environment
Through epigenomic analysis, the lab aims to clarify how epigenome information such as DNA methylation and histone modifications is established and inherited, and how it changes in response to the environment.
*Illustrative imageRNA Editing in Mitochondria and Chloroplasts
In plant mitochondria and chloroplasts, RNA editing is essential for proteins to function normally. The lab searches for new RNA editing factors and aims to reconstitute active editing complexes.
*Illustrative imagePlant Stem Cells and Organ Formation
In plants, organs continue to be formed repeatedly even after embryonic development. The lab identifies and analyzes genes that are important for organ formation and stem cell maintenance.
MembersFaculty
- ProfessorSoichi Inagaki
- Associate ProfessorMizuki Takenaka
- Assistant ProfessorRyuji Tsugeki
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: “Confocal microscopy with spectral imaging- Five-color observation of organelles in Marchantia polymorpha thallus cells ( )” ZEISS Microscopy from Germany / CC BY-SA 2.0 (cropped)
- Epigenomes and Adaptation to the Environment: “Arabidopsis halleri plant (01)” Andrea Moro / CC BY-SA 4.0 (cropped)
- RNA Editing in Mitochondria and Chloroplasts: “Origin of mitochondria and chloroplasts” Dongmei Lyu, Jonathan Zajonc, Antoine Pagé, Cailun A. S. Tanney, Ateeq Shah, Nadia Monjezi, Levini A. Msimbira, Mohammed Antar, Mahtab Nazari, Rachel Backer and Donald L. Smith / CC BY-SA 4.0 (cropped)
- Plant Stem Cells and Organ Formation: “Equisetum apical cell L” Jon Houseman / CC BY-SA 3.0 (cropped)
- Related lab (Plant Molecular Physiology Lab): “Stomata of Tradescantia spathacea leaves” Trương Minh Khải / CC BY 4.0 (cropped)
- Related lab (Kyoto University Institute for Chemical Research, Biomolecular Information Lab): “Arabidopsis halleri flower (01)” Andrea Moro / CC BY-SA 4.0 (cropped)
- Related lab (Kyoto University Uematsu Lab): “Cluster of sea foam bubbles on Muriwai Beach” Avenue / CC BY-SA 3.0 (cropped)
- Related lab (Theoretical Biophysics Lab): “Schematic of a single-tethered DNA curtain” Soyeong An, Youngseo Kim, and Ja Yil Lee / CC BY 4.0 (cropped)
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