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Effects of Environmental Factors upon Nitrogen Fixation of Chromatium sp.Isolated from Lake Kaiike
http://hdl.handle.net/10069/29789
http://hdl.handle.net/10069/2978913c71836-e444-4393-be48-442a5c364338
名前 / ファイル | ライセンス | アクション |
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suisan76_001.pdf (502.2 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2012-11-20 | |||||
タイトル | ||||||
タイトル | Effects of Environmental Factors upon Nitrogen Fixation of Chromatium sp.Isolated from Lake Kaiike | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Chromatium sp. | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | N_2 fixation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | C_2H_2 reduction method | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Environmental factors | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
Moon, Sang-Wook
× Moon, Sang-Wook× Matsuyama, Michiro |
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著者別名 | ||||||
姓名 | 文, 尚郁 | |||||
著者別名 | ||||||
姓名 | 松山, 通郎 | |||||
その他のタイトル | ||||||
その他のタイトル | 貝池から分離したChromatium sp.の窒素固定に対する環境要因の影響 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 貝池溶存酸素一硫化水素境界で濃密に棲息しているChromatium sp.は窒素固定能を持つ。Chromatium sp.の窒素固定に対する環境要因の影響をアセチレン還元法によって調べた。Chromatium sp.の窒素固定は照度及び硫化水素濃度に依存的であり、その最大固定速度、32.0 nmol C2H4/hr/(mg dry cell weight)が得られた。各最適環境条件は、照度1000 lux、pH 8.5、硫化水素濃度20 mg H2S-S/l,温度30℃であった。本菌は無機条件下で低い照度及び硫化水素濃度でも速い窒素固定能を示した。Chromatium sp.は、低い照度及び低い硫化水素濃度の条件下でも光独立栄養的な窒素固定を持つことからその生態系において優点種となり、また窒素固定による窒素収支への寄与が有り得ると考えられた。 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Chromatium sp., blooming at the O₂-H₂S interface of Lake Kaiike, could fix N₂. Response of nitrogen fixation of Chromatium sp. to environmental factors was established by C₂H₂ reduction method. Nitrogen fixation of Chromatium sp. was light-and H₂S-dependent, and the maximum rate, 32.0 nmol C₂H₄/hr/(mg dry cell weight), was obtained. Each of optimum environmental conditions was as follows: light intensity, 1000 lux;pH, 8.5 ; H₂S, 20 mg H₂S-S/l; temperature, 30℃. The bacterium could fix N₂ well at low light intensity and low H2S concentration under inorganic condition. It was suggested that Chromatium sp., having the ability to fix N₂ photoautotrophically even under low light intensity and low H2S concentration, might become an important dominant in the ecosystem and a potential contributor to the nitrogen budget. | |||||
書誌情報 |
長崎大学水産学部研究報告 en : Bulletin of the Faculty of Fisheries, Nagasaki University 巻 76, p. 1-6, 発行日 1995-03 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 05471427 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00178473 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
論文ID(NAID) | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | NAID | |||||
関連識別子 | 40002770939 | |||||
出版者 | ||||||
出版者 | 長崎大学水産学部 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学水産学部研究報告, v.76, pp.1-6; 1995 |