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Suzuki Lab
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A lab that approaches the mysteries of the Earth and other planets through life living inside rocks in the deep sea and deep underground.
AboutAbout the lab
Into the deep sea and deep underground, in search of life inside rock.
The Suzuki Lab studies how life and rock interact on a planetary scale, including on the early Earth when life first emerged and on Mars.
In particular, the lab goes directly to unexplored places, the deep sea and deep underground, using submersibles and underground laboratories, and analyzes the collected samples to reveal the nature of life that is still unknown.
The lab's research combines solid-sample analysis, a strength of earth science, with genome analysis, a strength of life science.
The lab also puts great effort into training people who will take part in future searches for extraterrestrial life.
Key terms
- Genome analysis
- Reading the entire set of genetic information (DNA) that an organism has, in order to find out what kind of organism it is and what it is capable of
- Photosynthesis
- The process by which plants and other organisms use the energy of light to produce organic matter and oxygen from carbon dioxide and water
- Intracellular symbiosis
- A relationship in which another organism, such as a bacterium, lives inside the cells of one organism, and the two live together by helping each other
NewsLab news
Ecology of archaea growing inside rocks at deep-sea hydrothermal vents revealed (Press release)
Living microbes discovered inside 2-billion-year-old rock (Press release)
ResearchResearch themes
The lab studies how life and rock interact, ranging from life in the deep sea and deep underground that does not depend on photosynthesis to mineral resources on the deep seafloor and the behavior of radioactive elements. It examines samples collected on site by combining solid-sample analysis with genome analysis.
*Illustrative imageLife inside rocks beyond the reach of light
The lab aims to reveal how primitive microorganisms live, and what they metabolize, inside rocks in the deep sea and deep underground, where organic matter and oxygen produced by photosynthesis do not reach. Even when their genomes are read, these organisms remain largely enigmatic. Such life may also be able to survive on Mars and on icy moons.
*Illustrative imageEvolution of deep-sea snails and their symbiotic bacteria
The lab investigates the symbiosis, ecology, and evolution of snails that host bacteria as intracellular symbionts at deep-sea hydrothermal vents in the Indian Ocean and the western Pacific. These snails show evolutionary traits not seen in other marine invertebrates, such as having scales made of iron.
*Illustrative imageManganese crusts and microbes
Manganese crusts and nodules grow extremely slowly on the deep seafloor and concentrate useful metals. Using samples collected from the deep seafloor, the lab seeks to clarify how the microbes densely packed on their surfaces are involved.
*Illustrative imageLocking radioactive elements into minerals
The lab discovered that uranium nanoparticles have been sealed for a long time inside carbonate minerals that fill fractures in granite. The lab aims to understand how radioactive elements move and accumulate over long periods of time, and to use this understanding in research on cleaning up contaminated environments.
MembersFaculty
- Associate ProfessorYohey SuzukiPublications ↗
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: “BlackSmoker” W.R. Normark, Dudley Foster / Public domain (cropped)
- Life inside rocks beyond the reach of light: “Sample of massive sulfide deposit from EPR” James St. John / CC BY 2.0 (cropped)
- Evolution of deep-sea snails and their symbiotic bacteria: “Three populations of Chrysomallon squamiferum” Chong Chen / CC BY-SA 3.0 (cropped)
- Manganese crusts and microbes: “Manganese-nodule-01 hg” Hannes Grobe / CC BY-SA 4.0 (cropped)
- Locking radioactive elements into minerals: “Uraninite-mrz324a” Robert M. Lavinsky / CC BY-SA 3.0 (cropped)
- Related lab (Sasaki Lab): “Rapana venosa MHNT” Didier Descouens / CC BY-SA 4.0 (cropped)
- Related lab (Tajika Lab): “Snowball Huronian” Oleg Kuznetsov - 3depix - http://3depix.com/ / CC BY-SA 4.0 (cropped)
- Related lab (Uno Lab): “Big garnet amphibolite (Precambrian; Warrensburg, Adirondack Mountains, New York State, USA) 26” James St. John / CC BY 2.0 (cropped)
- Related lab (Ikeda Lab): “Ribbon chert of the Marin Headlands Terrane, exposed at Marshall's Beach, San Francisco” Callanbentley / CC BY 4.0 (cropped)
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