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Bioorganic Chemistry Lab
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A bioorganic chemistry lab that uncovers the molecular mechanisms of flowers and reproduction.
AboutAbout the lab
Understanding the diversity of life
The Bioorganic Chemistry Lab studies which substances are involved in the interactions among organisms centered on plant flowers.
Flowers are the most diverse of all things that living organisms produce, and they play a central role in agricultural science, including plant breeding, crop production, and the maintenance of ecosystems.
By investigating mechanisms such as how plants recognize pollen, the lab aims to discover new bioactive substances, including proteins and small compounds.
Combining biology, chemistry, and information science, the lab's goal is to contribute to an agricultural society that can be sustained while preserving diversity.
Key terms
- Self-incompatibility
- A trait of plants that do not set seed with their own pollen. It serves to prevent inbreeding.
- Pollen tube
- A thin tube that pollen extends after landing on the pistil, growing toward the ovule that contains the egg cell.
- Bioactive substance
- A substance that acts on the functions of living organisms, such as proteins and small compounds.
NewsLab news
Published a study on the survival strategies of bacteria living in floral nectar in Nature Communications
Open lab held on the day of the graduate school information session
Released a paper on bioRxiv applying DNA language models to plant protein research
Genome structure of Malcolmia, a plant used in the lab's research, elucidated and published in DNA Research
Lab visits for undergraduate and graduate students accepted at any time
ResearchResearch themes
From the standpoint of bioorganic chemistry, the lab clarifies how substances are involved in the interactions that take place among organisms around plant flowers. Through this research, it aims to understand how ecosystems are formed and to help build an agricultural society that can be sustained while preserving diversity.
*Illustrative imageHow Plants Recognize Pollen from Other Species
Insects and other pollinators also carry pollen of other species to the pistil. The lab explores the molecular mechanisms that select only pollen of the same species, aiming to develop technology for creating new crops through crosses between species.
*Illustrative imageHow Plants Recognize Their Own Pollen
To prevent inbreeding, many plants do not set seed with their own pollen. The lab investigates the mechanism of this self-incompatibility in a variety of plants, including those in the Solanaceae and Brassicaceae families.
*Illustrative imageCommunication Between Pollen and the Pistil
Pollen has both a dormant state that withstands conditions such as drying, and the ability to extend a pollen tube rapidly on the pistil. The lab focuses on as-yet-undiscovered substances that pollen passes to the pistil.
*Illustrative imageSymbiosis and Competition Between Flowers and Microbes
Bacteria and fungi are carried to flowers along with insects, forming unique ecosystems. Focusing on the symbiosis and competition between plants and microbes mediated by flowers, the lab aims to elucidate the bioactive substances at work.
MembersFaculty
The members of the Bioorganic Chemistry Lab consist of faculty members, JSPS Research Fellows, project researchers, academic specialists, and graduate and undergraduate students.As of 2026
- ProfessorSota FujiiPublications ↗
- Assistant ProfessorYoshinobu KatoPublications ↗
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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: “Malcolmia littorea kz06” Krzysztof Ziarnek, Kenraiz / CC BY-SA 4.0 (cropped)
- How Plants Recognize Pollen from Other Species: “Datura metel 'Fastuosa' - pollen-covered stigma in profile” Flobbadob / CC BY-SA 4.0 (cropped)
- How Plants Recognize Their Own Pollen: “Brassica rapa - April 2023 - Sarah Stierch 01” Missvain / CC BY 4.0 (cropped)
- Communication Between Pollen and the Pistil: “Pollinated Tomato Pistil” G Lens Microscopist, Nina Bravo-Chan / CC BY 4.0 (cropped)
- Symbiosis and Competition Between Flowers and Microbes: “H —Carpenter bee (Xylocopa sp) visiting Horkelia parryi—RPBG ( )” John Rusk / CC BY 2.0 (cropped)
- Related lab (Bioregulation Science Lab): “3-day-old buckwheat sprouts” V.Boldychev / CC BY-SA 4.0 (cropped)
- Related lab (Plant Molecular Physiology Lab): “2017 Kennebec, SD No Till Corn” USDA NRCS South Dakota / CC BY-SA 2.0 (cropped)
- Related lab (Organic Chemistry Lab): “Coloured column chromatography ( )” Максим Фомич / CC BY 2.0 (cropped)
- Related lab (Nagata Lab (Team N / Molecular Recognition Chemistry)): “Zweifleckgrille Gryllus bimaculatus 1” Holger Krisp / CC BY 3.0 (cropped)
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