書誌事項
- タイトル別名
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- Biomineralization of silica associated with colonization of an unicellular alga, Cyanidium caldarium, in an acidic hot spring.
- サンセイ オンセン チュウ ノ タンサイボウ ソウ イデユコゴメ ノ コロニー ケイセイ ニ トモナウ シリカ ノ セイタイ コウブツカ サヨウ
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説明
Biomineralization processes of silica associated with colonization of unicellular red alga, Cyanidium caldorium in green biomats were examined in this study. The green biomats occur in Higashi Hot Spring at the Satsuma-Iwo Jima Island in Kagoshima Prefecture, Japan. The biomats consist mainly of C. caldarium cells under acidic condition (<pH 2). The colonies of C. caldarium cells gradually change into angular shape with concentration of silica, and simultaneously organic matter is leached out together with P and S. The XRD and electron diffraction pattern indicated that the concentrated silica transformed from amorphous silica into cristobalite. When the colony developed, the inside part decolorized and became transparent due to loss of chlorophyll. Natural cultivation examination of C. caldarium indicates that the development of the colony depend on solution pH, nutrients, silica-concentration, growth rate of the cells, and eco-system with bacterial condition, and play an important role in silica-biomineralization.
収録刊行物
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- 地質学雑誌
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地質学雑誌 106 (9), 597-608, 2000
一般社団法人 日本地質学会
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390282681210485760
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- NII論文ID
- 110003013138
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- NII書誌ID
- AN00141768
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- COI
- 1:CAS:528:DC%2BD3cXnt1Kksrs%3D
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- ISSN
- 13499963
- 00167630
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- HANDLE
- 2297/2565
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- NDL書誌ID
- 5497453
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可