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TEM study on magnetotactic bacteria and contained magnetite grains as biogenic minerals, mainly from Hokuriku-Niigata region, Japan
http://hdl.handle.net/10191/47881
http://hdl.handle.net/10191/478813815a854-4b7e-4be3-a998-0f4918ac5531
名前 / ファイル | ライセンス | アクション |
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11_43-66.pdf (29.4 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2017-08-31 | |||||
タイトル | ||||||
タイトル | TEM study on magnetotactic bacteria and contained magnetite grains as biogenic minerals, mainly from Hokuriku-Niigata region, Japan | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | TEM study on magnetotactic bacteria and contained magnetite grains as biogenic minerals, mainly from Hokuriku-Niigata region, Japan | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Magnetotactic bacteria | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetosomes | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetite | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | biogenic magnetite | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | biomineralization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | TEM | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Hokuriku | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Niigata | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Japan | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
著者 |
Iida, Akihiko
× Iida, Akihiko× Akai, Junji |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Sediments and water samples were collected mainly from Hokuriku-Niigata region, Japan, stored in the laboratory for several weeks and naturally enriched magnetotactic bacteria and the magnetite grains contained in the bacterial cells were examined. Various shapes of the magnetotactic bacteria were found in many localities. From some localities where coarse sediments are dominant, non-eutrophic environments are characteristic and/or pH of the water is comparatively acidic, magnetotactic bacteria were not found in this method. Changes of the bacterial diversities in Lake Sagata were found: the diversity of bacteria apparently enhanced in spring (March to May) and especially in autumn (October to December), and coccoid bacteria were found in all seasons. Mineralogical characteristics, such as shape, size, twinning, elongation direction, development of crystal faces and so on were also examined and described. TEM images of the cell division were taken. It was clarified that cell division proceeded by dividing vertically to the long axis and the same number of magnetosome chains belonged to the daughter cells , although the number of magnetite crystals is reduced in half. Swimming direction tests of the bacteria were carried out and it was found from the preliminary results that magnetotactic bacteria relatively easily adopt themselves to the magnetic field change after a few months. The specimens from the other localities containing Australia were also described. | |||||
書誌情報 |
Science reports of Niigata University. (Geology) en : Science reports of Niigata University. (Geology) 巻 11, p. 43-66, 発行日 1996-03 |
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出版者 | ||||||
出版者 | 新潟大学理学部 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13491237 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11436808 | |||||
著者版フラグ | ||||||
値 | publisher |