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451 labs · 32 student voices
Tatsuya Togashi, Professor
0 student voices
The Plant Evolutionary Ecology Lab studies the evolutionary mechanisms that gave rise to gametes of different sizes, such as sperm and eggs. Anisogamy is thought to have driven the evolution of sexual dimorphism in form and behavior. Sperm, which are small and produced in large numbers, compete for eggs, which are large and produced in small numbers, and this gives rise to sexual selection. Using marine green algae, the lab traces the evolutionary pathway through multiple approaches: theory, empirical study, and molecular mechanisms.
Tomonori Kikuchi, Associate Professor
0 student voices
The Animal Evolutionary Ecology Lab studies the mechanisms by which societies arise when animals live together in groups. The acquisition of sociality is counted as one of the seven major transitions in evolution, and elucidating its evolutionary mechanisms is an important theme in evolutionary ecology. The lab focuses on how the properties of a group emerge from interactions between individuals. Its research covers animals with differing degrees of sociality, from hermit crabs to ants, using methods from behavioral ecology, chemical ecology, and molecular biology.
Hiroki Takahashi, Professor
0 student voices
The Microbial Genesis Lab, part of the Microbial Resources division, conducts research on the molecular basis of pathogenic fungi. As the number of immunocompromised patients grows, infections caused by pathogenic fungi are becoming a serious public health problem. The lab investigates the molecular mechanisms of infection and immunity: how fungi interact with the host immune system and how they evade it. It also focuses on the mechanisms of resistance to antifungal drugs, which is becoming a serious clinical problem, and aims to develop treatment strategies based on genomic information.
Yoshiyuki Goto, Associate Professor
0 student voices
The Microbe and Immune Regulation Lab, part of the Infection and Immunity division, studies the relationship between gut bacteria and our immune system. Some people are infected by the same pathogen again and again, while others are never infected at all. As a factor that determines this individual difference, the lab focuses on gut bacteria, which live in the gut from birth to death. Because gut bacteria can be changed through things such as diet, the lab aims to build a body less prone to disease by optimizing them.
Joel Nitta, Associate Professor
0 student voices
This lab studies the evolution and ecology of ferns and lycophytes. The fern plants one usually sees are "sporophytes," but ferns have another life stage, the "gametophyte," which is usually less than 1 cm long. Both live independently, which is a fundamental difference from other land plants. The lab investigates how this life cycle affects community assembly and ecology.
Yuji Ichiyama, Associate Professor
0 student voices
The Petrology and Mineralogy Lab reads the records of how rocks and minerals formed and changed. It investigates processes such as volcanic eruptions, the generation and solidification of magma, the development of the crust, and interactions between rocks and water. The aim is to understand how materials have circulated and evolved near the surface of the solid Earth. The lab's faculty members work on studies of Earth's deep interior, examining rocks from the crust to the mantle, and on studies of mineral-forming reactions using high-temperature, high-pressure experiments.
Noriko Tsumura, Associate Professor
0 student voices
The Crustal Structure Lab studies structures of various sizes in the lithosphere, from the crust to the uppermost mantle. Its main subject is faults. It combines geological field surveys and seismic surveys, observation of microstructures under the microscope, rock deformation experiments, and seismic wave analysis. The lab's faculty members study the seismological structure of island arcs and subduction zones, and the mechanisms of earthquake occurrence as seen from rock deformation experiments.
Koji Kameo, Professor
0 student voices
The Stratigraphy Lab studies the history of Earth's changes from the standpoint of biology and paleontology. It reconstructs past environments by combining paleontological information from fossils with geological and sedimentological information read from strata. The lab also works to elucidate the evolution of life, including the evolution of the lifestyles and behaviors of ancient organisms, with the addition of DNA information from organisms living today. The faculty members each study the following: changes in past ocean environments based on planktonic microfossils; the evolution of early life on Earth and the formation of resource ore deposits; and the history of paleoearthquakes and the reconstruction of paleoenvironments based on topography and geology.
Kentaro Izumi, Associate Professor
0 student voices
The lab studies the changes in Earth's environment and life throughout the Phanerozoic, and the interactions between them. To learn about past environments and how they changed, it investigates strata from various periods and analyzes their properties. To learn about the ecology of ancient organisms and their responses to the environment, it examines fossils found in strata. To interpret fossil data more appropriately, it also studies the forms and behaviors of living animals that can serve as models.
Katsuya Ohkawa, Associate Professor
0 student voices
The Pomology Lab works on developing new cultivation techniques for producing high-quality fruit from fruit trees. It also aims to clarify the theory behind these techniques from the standpoint of physiology. Its research fields are located at Matsudo Campus and Kashiwa-no-ha Campus, and at the Forest Environment Horticultural Farm in Numata, Gunma Prefecture. The lab works with many species, including Japanese pear, grape, kiwifruit, Japanese apricot (ume), peach, fig, persimmon, and apple.
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