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Kyoto University Institute for Chemical Research, Biomolecular Information Lab
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A lab that explores how epigenomes shape plant development and responses to high temperature.
AboutAbout the lab
How the epigenome decides when and where plants use their genes
The Biomolecular Information Lab (Institute for Chemical Research) focuses on the epigenome as the information that determines when, where, and how plants activate their genes.
By clarifying how gene expression is regulated through histone modification, DNA methylation, and chromatin structure, the lab aims to understand the molecular foundations of plant morphogenesis and environmental response.
Key terms
- Epigenome
- The full set of marks attached to DNA and histones, rather than the DNA sequence itself. It determines which genes are active.
- Chromatin
- A structure formed by DNA wrapped around proteins, which forms the basis of chromosomes.
- Heat memory
- A phenomenon in which cells retain information about a high temperature they have experienced once for a while and respond quickly to the next one.
ResearchResearch themes
By clarifying gene expression regulation mediated by the epigenome, the lab aims to understand the molecular basis of plant morphogenesis and environmental response.
*Illustrative imageFlower Formation and the Epigenome
Using flower formation as a model, the lab studies how transcription factors and plant hormone signals alter chromatin structure and histone modifications to regulate gene expression, aiming to clarify how plant development proceeds in a precise order.
*Illustrative imageResponse to High Temperature and Heat Memory
The lab studies how information about high temperature changes gene expression through epigenomic changes, leading to plant adaptation and survival. It also focuses on the mechanism of heat memory, in which cells retain the information from a high temperature they have experienced once and respond faster and more strongly to the next one.
MembersFaculty
- ProfessorNobutoshi Yamaguchi
- Assistant ProfessorTomomi Fujii
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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: “Arabidopsis halleri flower (01)” Andrea Moro / CC BY-SA 4.0 (cropped)
- Flower Formation and the Epigenome: “Müürlooga (Arabidopsis thaliana) lehekarv (trihhoom) 311 0804” Heiti Paves / CC BY-SA 3.0 (cropped)
- Response to High Temperature and Heat Memory: “Schematic representation of the signalling pathway leading to the plant response to abiotic stresses” Trono, Daniela, and Nicola Pecchioni / CC BY 4.0 (cropped)
- Related lab (Plant Molecular Physiology Lab): “Stomata of Tradescantia spathacea leaves” Trương Minh Khải / CC BY 4.0 (cropped)
- Related lab (Plant Molecular Genetics Lab (comprising the Inagaki, Takenaka, and Tsugeki Groups)): “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)
- Related lab (Notaguchi Lab): “Grafting techniques in Uzbekistan” Shuhrataxmedov / CC BY-SA 3.0 (cropped)
- Related lab (Tochio Lab (Structural Physiology Subdivision, Department of Biophysics, Graduate School of Science, Kyoto University)): “Protein HMOX2 PDB 2q32” Emw / CC BY-SA 3.0 (cropped)
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