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

Photoisomerization of retinal at 13-ene is important for phototaxis of Chlamydomonas reinhardtii: Simultaneous measurements of phototactic and photophobic responses

https://ir.soken.ac.jp/records/3862
https://ir.soken.ac.jp/records/3862
c9116f2a-3483-4555-b424-ef0f623cc710
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-08-09
タイトル
タイトル Photoisomerization of retinal at 13-ene is important for phototaxis of Chlamydomonas reinhardtii: Simultaneous measurements of phototactic and photophobic responses
タイトル
タイトル Photoisomerization of retinal at 13-ene is important for phototaxis of Chlamydomonas reinhardtii: Simultaneous measurements of phototactic and photophobic responses
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 TAKAHASHI, Tetsuo

× TAKAHASHI, Tetsuo

TAKAHASHI, Tetsuo

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YOSHIHARA, Kazuo

× YOSHIHARA, Kazuo

YOSHIHARA, Kazuo

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WATANABE, Masakatsu

× WATANABE, Masakatsu

WATANABE, Masakatsu

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KUBOTA, Mamoru

× KUBOTA, Mamoru

KUBOTA, Mamoru

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JOHNSON, Randy

× JOHNSON, Randy

JOHNSON, Randy

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DERGUINI, Fadila

× DERGUINI, Fadila

DERGUINI, Fadila

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NAKANISHI, Koji

× NAKANISHI, Koji

NAKANISHI, Koji

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著者別名 渡辺, 正勝

× 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 A real-time automated method was developed for simultaneous measurements of phototactic orientation (phototaxis) and step-up photophobic response of flagellated microorganisms. Addition of all-trans retinal restored both photoresponses in a carotenoid-deficient mutant strain of Chlamydomonas reinhardtii in a dose-dependent manner. The phototactic orientation was biphasic with respect to both the light intensity and the concentration of retinal. All-trans retinal was more effective than 11-cis retinal to regenerate both photobehavioral responses. Analogs having locked 11-cis configurations and a phenyl ring in the side chain also induced photoresponses, although at concentrations more than two orders of magnitude higher than all-trans retinal. According to the present assay method, the responses were hardly detectable in cells incubated with retinal analogs in which the 13-ene was locked in either its trans or cis configuration. The results strongly suggest that the isomerization of the 13-14 double bond is important for photobehavioral signal transduction and that a single retinal-dependent photoreceptor controls both phototactic and photophobic responses.
書誌情報 Biochemical and Biophysical Research Communications
en : Biochemical and Biophysical Research Communications

巻 178, 号 3, p. 1273-1279, 発行日 1991-08-15
出版者
出版者 Elsevier
ISSN
収録物識別子タイプ ISSN
収録物識別子 0006291X
PubMed番号
識別子タイプ PMID
関連識別子 1872847
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/0006-291X(91)91031-7
関連名称 10.1016/0006-291X(91)91031-7
権利
権利情報 © 1991 Published by Elsevier Inc.
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