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Fumito Shiraishi

Researcher at Hiroshima University

Publications -  46
Citations -  1229

Fumito Shiraishi is an academic researcher from Hiroshima University. The author has contributed to research in topics: Calcite & Geology. The author has an hindex of 17, co-authored 40 publications receiving 1026 citations. Previous affiliations of Fumito Shiraishi include Ocean Drilling Program & Kyushu University.

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Presence of oxygen and aerobic communities from sea floor to basement in deep-sea sediments

Steven D'Hondt, +64 more
- 01 Apr 2015 - 
TL;DR: The depth of oxygen penetration and microbial activity in marine sediments varies by region as mentioned in this paper, and the depth of microbial communities varies with the region of interest, and the microbial communities can be found up to 75 meters below the sea floor.
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Microbial effects on biofilm calcification, ambient water chemistry and stable isotope records in a highly supersaturated setting (Westerhofer Bach, Germany)

TL;DR: In this paper, the effects of microbial activity on CaCO3 precipitation, water chemistry of micro- and macroenvironments, stable isotopic records, and tufa fabric formation were investigated with regard to the effects.
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Tufa-forming biofilms of German karstwater streams: microorganisms, exopolymers, hydrochemistry and calcification

TL;DR: Peddley et al. as discussed by the authors investigated the mechanisms of tufa biofilm calcification, selected karstwater stream stromatolites in Germany have been investigated with regard to their hydrochemistry, biofilm community, exopolymers, physicochemical microgradients, calcification pattern and lamination.
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Photosynthesis, Respiration and Exopolymer Calcium-Binding in Biofilm Calcification (Westerhöfer and Deinschwanger Creek, Germany)

TL;DR: Investigation of biofilms of two CO2-degassing karst-water creeks in Germany found that photosynthesis is a crucial mechanism to overcome the kinetic barrier for CaCO3 precipitation, even in highly supersaturated settings.
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Metabolic microenvironmental control by photosynthetic biofilms under changing macroenvironmental temperature and pH conditions.

TL;DR: Ex situ microelectrode experiments, using cyanobacterial biofilms from karst water creeks, were conducted under various pH, temperature, and constant-alkalinity conditions to investigate the effects of changing environmental parameters on cyanob bacterial photosynthesis-induced calcification.