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  1. 010 学術雑誌論文
  2. 渡辺, 正勝 / WATANABE, Masakatsu

Biochemical and functional characterization of BLUF-type flavin-binding proteins of two species of cyanobacteria

https://ir.soken.ac.jp/records/3872
https://ir.soken.ac.jp/records/3872
896349b4-cdb9-4f24-8bb8-ad8137a2f677
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-08-12
タイトル
タイトル Biochemical and functional characterization of BLUF-type flavin-binding proteins of two species of cyanobacteria
タイトル
タイトル Biochemical and functional characterization of BLUF-type flavin-binding proteins of two species of cyanobacteria
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 OKAJIMA, Koji

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OKAJIMA, Koji

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YOSHIHARA, Shizue

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YOSHIHARA, Shizue

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FUKUSHIMA, Yoshimasa

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FUKUSHIMA, Yoshimasa

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GENG, Xiaoxing

× GENG, Xiaoxing

GENG, Xiaoxing

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KATAYAMA, Mitsunori

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KATAYAMA, Mitsunori

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HIGASHI, Shoichi

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HIGASHI, Shoichi

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WATANABE, Masakatsu

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WATANABE, Masakatsu

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SATO, Shusei

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SATO, Shusei

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TABATA, Satoshi

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TABATA, Satoshi

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SHIBATA, Yutaka

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SHIBATA, Yutaka

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ITOH, Shigeru

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ITOH, Shigeru

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IKEUCHI, Masahiko

× IKEUCHI, Masahiko

IKEUCHI, Masahiko

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著者別名 渡辺, 正勝

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渡辺, 正勝

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抄録
内容記述タイプ Abstract
内容記述 BLUF (a sensor of Blue-Light Using FAD) is a novel putative photoreceptor domain that is found in many bacteria and some eukaryotic algae. As found on genome analysis, certain cyanobacteria have BLUF proteins with a short C-terminal extension. As typical examples, TII0078 from thermophilic Thermosynechococcus elongatus BP-1 and Slr1694 from mesophilic Synechocystis sp. PCC 6803 were comparatively studied. FAD of both proteins was hardly reduced by exogenous reductants or mediators except methylviologen but showed a typical spectral shift to a longer wavelength upon excitation with blue light. In particular, freshly prepared TII0078 protein showed slow but reversible aggregation, indicative of light-induced conformational changes in the protein structure. TII0078 is far more stable as to heat treatment than Slr1694, as judged from flavin fluorescence. The slr1694-disruptant showed phototactic motility away from the light source (negative phototaxis), while the wild type Synechocystis showed positive phototaxis toward the source. Yeast two-hybrid screening with slr1694 showed self-interaction of Slr1694 (PixD) with itself and interaction with a novel PatA-like response regulator, Slr1693 (PixE). These results were discussed in relation to the signaling mechanism of the "short" BLUF proteins in the regulation of cyanobacterial phototaxis.
書誌情報 Journal of Biochemistry
en : Journal of Biochemistry

巻 137, 号 6, p. 741-750, 発行日 2005-06
出版者
出版者 Oxford University Press
ISSN
収録物識別子タイプ ISSN
収録物識別子 0021924X
PubMed番号
識別子タイプ PMID
関連識別子 16002996
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1093/jb/mvi089
関連名称 10.1093/jb/mvi089
権利
権利情報 © 2005 The Japanese Biochemical Society
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