Color-Discriminating Retinal Configurations of Sensory RhodopsinI by Photo-Irradiation Solid-State NMR Spectroscopy
SRI (sensory rhodopsinI) can discriminate multiple colors for the attractant and repellent phototaxis. Studies aimed at revealing the color-dependent mechanism show that SRI is a challenging system not only in photobiology but also in photochemistry. During the photoreaction of SRI, an M-intermediat...
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Veröffentlicht in: | Angewandte Chemie International Edition 2014-07, Vol.53 (27), p.6960-6964 |
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creator | Yomoda, Hiroki Makino, Yoshiteru Tomonaga, Yuya Hidaka, Tetsurou Kawamura, Izuru Okitsu, Takashi Wada, Akimori Sudo, Yuki Naito, Akira |
description | SRI (sensory rhodopsinI) can discriminate multiple colors for the attractant and repellent phototaxis. Studies aimed at revealing the color-dependent mechanism show that SRI is a challenging system not only in photobiology but also in photochemistry. During the photoreaction of SRI, an M-intermediate (attractant) transforms into a P-intermediate (repellent) by absorbing blue light. Consequently, SRI then cycles back to the G-state. The photoreactions were monitored with the 13CNMR signals of [20-13C]retnal-SrSRI using insitu photo-irradiation solid-state NMR spectroscopy. The M-intermediate was trapped at -40°C by illumination at 520nm. It was transformed into the P-intermediate by subsequent illumination at 365nm. These results reveal that the G-state could be directly transformed to the P-intermediate by illumination at 365nm. Thus, the stationary trapped M- and P-intermediates are responsible for positive and negative phototaxis, respectively. |
doi_str_mv | 10.1002/anie.201309258 |
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Studies aimed at revealing the color-dependent mechanism show that SRI is a challenging system not only in photobiology but also in photochemistry. During the photoreaction of SRI, an M-intermediate (attractant) transforms into a P-intermediate (repellent) by absorbing blue light. Consequently, SRI then cycles back to the G-state. The photoreactions were monitored with the 13CNMR signals of [20-13C]retnal-SrSRI using insitu photo-irradiation solid-state NMR spectroscopy. The M-intermediate was trapped at -40°C by illumination at 520nm. It was transformed into the P-intermediate by subsequent illumination at 365nm. These results reveal that the G-state could be directly transformed to the P-intermediate by illumination at 365nm. 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Thus, the stationary trapped M- and P-intermediates are responsible for positive and negative phototaxis, respectively.</description><subject>Absorption</subject><subject>Illumination</subject><subject>Irradiation</subject><subject>NMR spectroscopy</subject><subject>Photochemistry</subject><subject>Repellents</subject><subject>Switches</subject><subject>Transforms</subject><issn>1433-7851</issn><issn>1521-3773</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpd0DtPwzAQB3ALgUR5rMyWWFhc_IgdZ0ThVak81HSvbMdpXaV2sJOh3x4LmJj-d6efTroD4IbgOcGY3ivv7JxiwnBFuTwBM8IpQaws2WmuC8ZQKTk5Bxcp7bOXEosZSHXoQ0SPLpnoDs6r0fktXNkcqod18J3bTjFPg08wdLCxPoV4hKtdaMOQnF9AfYSfuzAGtIhRte7Hwib0rkXNqEYL399WsBmsGWNIJgzHK3DWqT7Z67-8BOvnp3X9ipYfL4v6YYkGQQTSSrVWal1V0uZeM6yFxJ22jLaKKdxZVVlcGmEwJgXFRUs7wzvDNJcCV4ZdgrvftUMMX5NN4-aQr7R9r7wNU9qQEhNCSclFprf_6D5MMX8gK84qiStRcPYNQt5s4A</recordid><startdate>20140701</startdate><enddate>20140701</enddate><creator>Yomoda, Hiroki</creator><creator>Makino, Yoshiteru</creator><creator>Tomonaga, Yuya</creator><creator>Hidaka, Tetsurou</creator><creator>Kawamura, Izuru</creator><creator>Okitsu, Takashi</creator><creator>Wada, Akimori</creator><creator>Sudo, Yuki</creator><creator>Naito, Akira</creator><general>Wiley Subscription Services, Inc</general><scope>7TM</scope><scope>K9.</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140701</creationdate><title>Color-Discriminating Retinal Configurations of Sensory RhodopsinI by Photo-Irradiation Solid-State NMR Spectroscopy</title><author>Yomoda, Hiroki ; Makino, Yoshiteru ; Tomonaga, Yuya ; Hidaka, Tetsurou ; Kawamura, Izuru ; Okitsu, Takashi ; Wada, Akimori ; Sudo, Yuki ; Naito, Akira</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p616-baade8bb998e616b30b680fbe32da3a0fea9e07c6c0014204d2fc5fc3b58609c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Absorption</topic><topic>Illumination</topic><topic>Irradiation</topic><topic>NMR spectroscopy</topic><topic>Photochemistry</topic><topic>Repellents</topic><topic>Switches</topic><topic>Transforms</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yomoda, Hiroki</creatorcontrib><creatorcontrib>Makino, Yoshiteru</creatorcontrib><creatorcontrib>Tomonaga, Yuya</creatorcontrib><creatorcontrib>Hidaka, Tetsurou</creatorcontrib><creatorcontrib>Kawamura, Izuru</creatorcontrib><creatorcontrib>Okitsu, Takashi</creatorcontrib><creatorcontrib>Wada, Akimori</creatorcontrib><creatorcontrib>Sudo, Yuki</creatorcontrib><creatorcontrib>Naito, Akira</creatorcontrib><collection>Nucleic Acids Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Angewandte Chemie International Edition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yomoda, Hiroki</au><au>Makino, Yoshiteru</au><au>Tomonaga, Yuya</au><au>Hidaka, Tetsurou</au><au>Kawamura, Izuru</au><au>Okitsu, Takashi</au><au>Wada, Akimori</au><au>Sudo, Yuki</au><au>Naito, Akira</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Color-Discriminating Retinal Configurations of Sensory RhodopsinI by Photo-Irradiation Solid-State NMR Spectroscopy</atitle><jtitle>Angewandte Chemie International Edition</jtitle><date>2014-07-01</date><risdate>2014</risdate><volume>53</volume><issue>27</issue><spage>6960</spage><epage>6964</epage><pages>6960-6964</pages><issn>1433-7851</issn><eissn>1521-3773</eissn><coden>ACIEAY</coden><abstract>SRI (sensory rhodopsinI) can discriminate multiple colors for the attractant and repellent phototaxis. Studies aimed at revealing the color-dependent mechanism show that SRI is a challenging system not only in photobiology but also in photochemistry. During the photoreaction of SRI, an M-intermediate (attractant) transforms into a P-intermediate (repellent) by absorbing blue light. Consequently, SRI then cycles back to the G-state. The photoreactions were monitored with the 13CNMR signals of [20-13C]retnal-SrSRI using insitu photo-irradiation solid-state NMR spectroscopy. The M-intermediate was trapped at -40°C by illumination at 520nm. It was transformed into the P-intermediate by subsequent illumination at 365nm. These results reveal that the G-state could be directly transformed to the P-intermediate by illumination at 365nm. Thus, the stationary trapped M- and P-intermediates are responsible for positive and negative phototaxis, respectively.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/anie.201309258</doi><tpages>5</tpages><edition>International ed. in English</edition></addata></record> |
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title | Color-Discriminating Retinal Configurations of Sensory RhodopsinI by Photo-Irradiation Solid-State NMR Spectroscopy |
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