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Sato Lab
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The lab investigates how small membrane-bound vesicles carry proteins inside cells.
AboutAbout the lab
Logistics inside the cell, at the molecular level
Sato Lab studies how proteins are transported inside cells (vesicular transport).
Cells contain membrane-bound organelles such as the endoplasmic reticulum and the Golgi apparatus, which exchange materials through small membrane sacs called transport vesicles.
The lab focuses on vesicular transport in the secretory pathway, investigating how transport vesicles form from the endoplasmic reticulum and how proteins are sorted and carried.
The lab mainly uses budding yeast as its model organism and analyzes these processes with bioimaging and with methods that reconstitute the phenomena using artificial membrane vesicles.
Key terms
- Organelle
- A membrane-enclosed structure inside a cell, each with its own specific function.
- Endoplasmic reticulum
- A membrane-bound organelle where proteins are made. It is also connected to the membrane of the nucleus.
- Budding yeast
- A single-celled fungus that is also used in baking and brewing. Its genes are easy to manipulate, and it is widely used in research on how cells work.
ResearchResearch themes
In eukaryotic cells, organelles such as the endoplasmic reticulum and the Golgi apparatus are connected by a network of vesicular transport mediated by transport vesicles. The lab focuses on vesicular transport in the secretory pathway and aims to elucidate, at the molecular level, how transport vesicles form, how proteins are sorted and transported, and how the endoplasmic reticulum and the nucleus acquire their shapes.
*Illustrative imageBioimaging of Vesicular Transport
Using fluorescent proteins, the lab visualizes and analyzes how proteins involved in vesicular transport move inside yeast cells.
*Illustrative imageBuilding Transport Vesicles in a Test Tube
Using purified proteins and artificial membrane vesicles, the lab reconstitutes the reaction that forms transport vesicles in vitro, and investigates the molecular mechanisms by which proteins are sorted and transported.
*Illustrative imageShaping the Endoplasmic Reticulum and the Nucleus
The lab analyzes at the molecular level how factors involved in vesicular transport contribute to shaping organelles such as the nucleus and the endoplasmic reticulum.
MembersFaculty
- ProfessorKen SatoPublications ↗
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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: “Saccharomyces cerevisiae SEM” Mogana Das Murtey and Patchamuthu Ramasamy / CC BY 3.0 (cropped)
- Bioimaging of Vesicular Transport: “S cerevisiae under DIC microscopy” Masur / Public domain (cropped)
- Building Transport Vesicles in a Test Tube: “Phosphatidylcholine liposomes stained with acridine orange” ArkhipovSergey / CC BY-SA 4.0 (cropped)
- Shaping the Endoplasmic Reticulum and the Nucleus: “Endoplasmic reticulum 4 -- Smart-Servier” Laboratoires Servier / CC BY-SA 3.0 (cropped)
- Related lab (石原研究室
（理論生物物理／Ishihara Lab） ): “Actin Filaments in a Neuroblastoma cell Line” Howard Vindin / CC BY 4.0 (cropped) - Related lab (矢島研究室): “Tetrahymena pyriformis - 400x - Ciliatur ( )” Picturepest / CC BY 2.0 (cropped)
- Related lab (若本研究室): “E. coli Bacteria ( )” NIAID / CC BY 2.0 (cropped)
- Related lab (加納(純子)研究室): “HumanChromosomesChromomycinA3” Steffen Dietzel / CC BY-SA 3.0 (cropped)
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