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Cellular Information Regulation Lab
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A lab that investigates the mechanisms of vesicular transport in pigment cells and other systems.
AboutAbout the lab
Decoding intracellular transport through small G proteins.
Associate Professor Norihiko Ohbayashi's lab studies membrane traffic, the mechanism that transports materials within cells, focusing on small GTPases (low-molecular-weight G proteins).
The lab investigates the functions of small GTPases such as Rab and Arf in pigment cells (melanocytes).
The entry in the university's researcher directory was last updated in August 2025.
Associate Professor Ohbayashi is listed as a researcher in the graduate school's Degree Programs in Medical Sciences (Life Sciences and Medicine Domain).
Key terms
- Membrane traffic
- A mechanism in which small membrane-enclosed sacs move within the cell and carry materials. Also called vesicular transport
- Small GTPase (low-molecular-weight G protein)
- A protein that switches its activity by binding GTP and regulates processes inside the cell. Rab and Arf are among them
- Knockout mouse
- A mouse in which a specific gene has been made nonfunctional. Used to study the role of that gene
ResearchResearch themes
The lab studies membrane traffic inside cells, focusing on the small GTPases Rab and Arf. Melanocytes and knockout mice are also listed as research keywords.
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MembersFaculty
- Associate ProfessorNorihiko Ohbayashi
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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 microscope AR” Ciphers / CC BY 3.0 (cropped)
- Coordination of Rab and Arf in Pigment Cells: “Young zebrafish” Nikita Tsyba in cooperation with Azamat Bashabayev / CC BY-SA 4.0 (cropped)
- Related lab (Anatomy and Embryology Lab): “Laboratory microcentrifuge tubes and pipette tips 01” Gannu03 / CC BY-SA 4.0 (cropped)
- Related lab (Molecular Parasitology Lab): “Trypanosoma brucei brucei SEM” Sue Vaughan / CC BY 4.0 (cropped)
- Related lab (Stem Cell Therapy Lab): “Agarplate redbloodcells edit” Bill Branson – (Edited by Fir0002)(Edited by Drhx) / Public domain (cropped)
- Related lab (Molecular and Cellular Biology Lab): “Yeast Cells in Wet Mount Microscopy of Culture” Ajay Kumar Chaurasiya / CC0 (cropped)
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