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OKondo, Yosuke*; Achouri, N. L.*; Al Falou, H.*; Atar, L.*; Aumann, T.*; Baba, Hidetada*; Boretzky, K.*; Caesar, C.*; Calvet, D.*; Chae, H.*; et al.
Nature, 620(7976), p.965 - 970, 2023/08
Times Cited Count：6 Percentile：93.26(Multidisciplinary Sciences)no abstracts in English
Onuki, Toshihiko; Sakamoto, Fuminori; Yamasaki, Shinya*; Kozai, Naofumi; Shiotsu, Hiroyuki; Utsunomiya, Satoshi*; Watanabe, Naoko*; Kozaki, Tamotsu*
Journal of Environmental Radioactivity, 144, p.127 - 133, 2015/06
Times Cited Count：9 Percentile：26.87(Environmental Sciences)The accumulation of Cs by unicellular fungus of in the presence of minerals has been studied to elucidate the role of microorganisms in the migration of radioactive Cs in the environment. In the presence of minerals in the agar medium, the radioactivity in the yeast cells was in the order of mica 
smectite, illite 
vermiculite, phlogopite, zeolite. This order is inversely correlated to the ratio of the concentration of radioactive Cs between the minerals and the medium solution. These results strongly suggest that the yeast accumulates radioactive Cs competitively with minerals.
Tsuchiya, Bun*; Morita, Kenji*; Yamamoto, Shunya; Nagata, Shinji*; Otsu, Naofumi*; Shikama, Tatsuo*; Naramoto, Hiroshi
Journal of Nuclear Materials, 313-316, p.274 - 278, 2003/03
Times Cited Count：1 Percentile：10.87(Materials Science, Multidisciplinary)no abstracts in English
Onuki, Toshihiko; Sakamoto, Fuminori; Kozai, Naofumi; Yamasaki, Shinya*; Shiotsu, Hiroyuki; Utsunomiya, Satoshi*
no journal, ,
Accumulation of Cs by unicellular fungus of Saccharomyces cerevisiae in the presence of minerals have been studied to elucidate the role of microorganisms in the migration of radioactive Cs in the environment. With carbon source, higher amounts of Cs was accumulated in the cells than in the resting condition without carbon source. In the presence of mineral in the agar medium, the radioactivity in the yeast cells with different minerals were in the order of the inverse of Kd of minerals. These results strongly suggest that the yeast accumulates radioactive Cs competitively with minerals.
