Chie Amano

Chie Amano

Associate Professor
Chie Amano is a marine microbial ecologist studying the role of bacteria and archaea in the ocean’s biogeochemical cycles, with a focus on the dark, deep ocean. Her research addresses both sides of the carbon cycle: the heterotrophic degradation of organic matter, including by particle-associated communities, and dark inorganic carbon fixation through anaplerotic and chemolithoautotrophic processes. She also examines how hydrostatic pressure shapes microbial activity and carbon cycling in the deep sea, and she develops single-cell approaches such as BONCAT and microautoradiography, together with in situ instrumentation, to quantify microbial activity in the deep ocean.

A device for assessing microbial activity under ambient hydrostatic pressure: The in situ microbial incubator (ISMI)

Microbes in the dark ocean are exposed to hydrostatic pressure increasing with depth. Activity rate measurements and biomass production of dark ocean microbes are, however, almost …

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Chie Amano

Limited carbon cycling due to high-pressure effects on the deep-sea microbiome

Deep-sea microbial communities are exposed to high-pressure conditions, which has a variable impact on prokaryotes depending on whether they are piezophilic (that is, …

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Chie Amano

Impact of hydrostatic pressure on organic carbon cycling of the deep-sea microbiome

Deep-sea microbial communities are exposed to high hydrostatic pressure. While some of these deep-sea prokaryotes are adapted to high-pressure conditions, the contribution of …

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Chie Amano

Dynamics of the prokaryotic and eukaryotic microbial community during a cyanobacterial bloom

Toxic cyanobacterial blooms frequently develop in eutrophic freshwater bodies worldwide. Microcystis species produce microcystins (MCs) as a cyanotoxin. Certain bacteria that …

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Autofluorescence Is a Common Trait in Different Oceanic Fungi

Natural autofluorescence is a widespread phenomenon observed in different types of tissues and organisms. Depending on the origin of the autofluorescence, its intensity can provide …

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Mesozooplankton taurine production and prokaryotic uptake in the northern Adriatic Sea

Dissolved free taurine, an important osmolyte in phytoplankton and metazoans, has been shown to be a significant carbon and energy source for prokaryotes in the North Atlantic …

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