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Discovery of signaling effect of UV-B/C light in the extended UV-A/blue-type action spectra for step-down and step-up photophobic responses in the unicellular flagellate alga Euglena gracilis
https://ir.soken.ac.jp/records/3932
https://ir.soken.ac.jp/records/3932ad959fae-b0dd-47dc-867d-19d018ebca2d
| Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||||||||||
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| 公開日 | 2013-08-27 | |||||||||||||||||||||
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| タイトル | Discovery of signaling effect of UV-B/C light in the extended UV-A/blue-type action spectra for step-down and step-up photophobic responses in the unicellular flagellate alga Euglena gracilis | |||||||||||||||||||||
| タイトル | ||||||||||||||||||||||
| タイトル | Discovery of signaling effect of UV-B/C light in the extended UV-A/blue-type action spectra for step-down and step-up photophobic responses in the unicellular flagellate alga Euglena gracilis | |||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 言語 | ||||||||||||||||||||||
| 言語 | eng | |||||||||||||||||||||
| 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 | journal article | |||||||||||||||||||||
| アクセス権 | ||||||||||||||||||||||
| アクセス権 | metadata only access | |||||||||||||||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||||||||||||||||||
| 著者 |
MATSUNAGA, Shigeru
× MATSUNAGA, Shigeru
× HORI, Terumitsu
× TAKAHASHI, Tetsuo
× MAMORU, Kubota
× WATANABE, Masakatsu
× OKAMOTO, Kazuhisa
× MASUDA, Ketsutada
× SUGAI, Michizo
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| 著者別名 |
渡辺, 正勝
× 渡辺, 正勝
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| 抄録 | ||||||||||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||||||||||
| 内容記述 | Cultures of unicellular algal flagellate Euglena gracilis grown in different conditions were subjected to action spectroscopy for step-down and step-up photophobic responses, respectively. The spectral region was extended into the UV-B/C as well as in the UV-A and visible regions with the Okazaki Large Spectrograph as the monochromatic light source. The photophobic responses of the cells were measured with an individual-cell assay method with the aid of a computerized video motion analyzer. In the UV-A and visible regions, the shapes of the action spectra were the so-called UV-A/blue type. In the newly studied UV-B/C region, new action peaks were found at 270 nm for the step-down response and at 280 nm for the step-up one. The absorption spectrum of flavin adenine dinucleotide (FAD) appeared to fit the action spectrum for the step-up response, whereas the shape of the step-down action spectrum, which has a UV-A peak (at 370 nm) higher than the blue peak (at 450 nm), appeared to he mimicked by the absorption spectrum of a mixed solution of 6-biopterin and FAD. These observations might also account for the fact that the UV-B/C peak wavelength at 270 nm of the action spectrum for the step-down response is shorter by 10 nm than the action spectrum for the step-up response at 280 nm. | |||||||||||||||||||||
| 書誌情報 |
Protoplasma en : Protoplasma 巻 201, 号 1-2, p. 45-52, 発行日 1998 |
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| 出版者 | ||||||||||||||||||||||
| 出版者 | SpringerLink | |||||||||||||||||||||
| ISSN | ||||||||||||||||||||||
| 収録物識別子タイプ | ISSN | |||||||||||||||||||||
| 収録物識別子 | 0033183X | |||||||||||||||||||||
| DOI | ||||||||||||||||||||||
| 識別子タイプ | DOI | |||||||||||||||||||||
| 関連識別子 | https://doi.org/10.1007/BF01280710 | |||||||||||||||||||||
| 関連名称 | 10.1007/BF01280710 | |||||||||||||||||||||
| 権利 | ||||||||||||||||||||||
| 権利情報 | SpringerLink(The original publication is available at www.springerlink.com) | |||||||||||||||||||||
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MATSUNAGA, Shigeru, HORI, Terumitsu , TAKAHASHI, Tetsuo , MAMORU, Kubota, WATANABE, Masakatsu, OKAMOTO, Kazuhisa , MASUDA, Ketsutada, SUGAI, Michizo , 1998, Discovery of signaling effect of UV-B/C light in the extended UV-A/blue-type action spectra for step-down and step-up photophobic responses in the unicellular flagellate alga Euglena gracilis: SpringerLink , 45–52 p.
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