Reversible photochemical holeburning in Rhodopseudomonas viridis reaction centers
The change in absorption of the band assigned to the primary electron donor in R. viridis reaction centers (P960) has been measured at 1.4–2.1 K following narrow bandwidth excitation at many wavelengths within the P960 absorption band. In all cases nearly the entire band was photobleached (full widt...
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| Veröffentlicht in: | FEBS letters 1986-05, Vol.200 (1), p.237-241 |
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| creator | Boxer, Steven G. Middendorf, Thomas R. Lockhart, David J. |
| description | The change in absorption of the band assigned to the primary electron donor in
R. viridis reaction centers (P960) has been measured at 1.4–2.1 K following narrow bandwidth excitation at many wavelengths within the P960 absorption band. In all cases nearly the entire band was photobleached (full width at half-maximum about 400 cm
−1). This result can be explained by either an ultra-fast decay process from the initially excited state or a substantial difference in the equilibrium nuclear configuration between the ground and excited state of the donor. The latter may arise if the excited state of the donor has substantial charge transfer character. The results suggest a charge separation step which precedes formation of a bacteriopheo-phytin
b anion. |
| doi_str_mv | 10.1016/0014-5793(86)80545-2 |
| format | Article |
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R. viridis reaction centers (P960) has been measured at 1.4–2.1 K following narrow bandwidth excitation at many wavelengths within the P960 absorption band. In all cases nearly the entire band was photobleached (full width at half-maximum about 400 cm
−1). This result can be explained by either an ultra-fast decay process from the initially excited state or a substantial difference in the equilibrium nuclear configuration between the ground and excited state of the donor. The latter may arise if the excited state of the donor has substantial charge transfer character. The results suggest a charge separation step which precedes formation of a bacteriopheo-phytin
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R. viridis reaction centers (P960) has been measured at 1.4–2.1 K following narrow bandwidth excitation at many wavelengths within the P960 absorption band. In all cases nearly the entire band was photobleached (full width at half-maximum about 400 cm
−1). This result can be explained by either an ultra-fast decay process from the initially excited state or a substantial difference in the equilibrium nuclear configuration between the ground and excited state of the donor. The latter may arise if the excited state of the donor has substantial charge transfer character. The results suggest a charge separation step which precedes formation of a bacteriopheo-phytin
b anion.</description><subject>Biological and medical sciences</subject><subject>Cell structures and functions</subject><subject>Chloroplast, photosynthetic membrane and photosynthesis</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Molecular and cellular biology</subject><subject>Photosynthesis Reaction center Holeburning (Rhodopseudomonas viridis)</subject><subject>PhotosynthesisReaction centerHoleburning (Rhodopseudomonas viridis)</subject><subject>Rhodopseudomonas viridis</subject><issn>0014-5793</issn><issn>1873-3468</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1986</creationdate><recordtype>article</recordtype><recordid>eNqNkEFLwzAUx4MoOKffwEMPInqoJm2apRdBx6bCQBx6DlnyaiNdMpNusm9vaseO4unxXv7v98IPoXOCbwgm7BZjQtNiVOZXnF1zXNAizQ7QgPBRnuaU8UM02EeO0UkInzj2nJQD9DqHDfhgFg0kq9q1TtWwNEo2Se0aWKy9NfYjMTaZ1067VYC1dktnZUg2xhttQuJBqtY4myiwbUSdoqNKNgHOdnWI3qeTt_FTOnt5fB7fz1JFR3mWEsq1zjFjpKCESs7LPNPVYlTJQuNcYk01LjSvsJKUZ6wgmOGCAKkWvCoVV_kQXfbclXdfawitWJqgoGmkBbcOIh6IeMJikPZB5V0IHiqx8mYp_VYQLDp_opMjOjmCM_HrT2Rx7WLHlyH6qLy0yoT9LsdZVtIyxqZ97Ns0sP0XWkwnD1n30M05-5129-56EERpGwNeBGXAKtDGg2qFdubvD_8AHvSX3w</recordid><startdate>19860505</startdate><enddate>19860505</enddate><creator>Boxer, Steven G.</creator><creator>Middendorf, Thomas R.</creator><creator>Lockhart, David J.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>6I.</scope><scope>AAFTH</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>C1K</scope></search><sort><creationdate>19860505</creationdate><title>Reversible photochemical holeburning in Rhodopseudomonas viridis reaction centers</title><author>Boxer, Steven G. ; Middendorf, Thomas R. ; Lockhart, David J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4732-148dd306615414a88932dfb7fa5d03a0d4d05d8f0ca48265106051e1fb8f9c8c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1986</creationdate><topic>Biological and medical sciences</topic><topic>Cell structures and functions</topic><topic>Chloroplast, photosynthetic membrane and photosynthesis</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Molecular and cellular biology</topic><topic>Photosynthesis Reaction center Holeburning (Rhodopseudomonas viridis)</topic><topic>PhotosynthesisReaction centerHoleburning (Rhodopseudomonas viridis)</topic><topic>Rhodopseudomonas viridis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Boxer, Steven G.</creatorcontrib><creatorcontrib>Middendorf, Thomas R.</creatorcontrib><creatorcontrib>Lockhart, David J.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>FEBS letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Boxer, Steven G.</au><au>Middendorf, Thomas R.</au><au>Lockhart, David J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reversible photochemical holeburning in Rhodopseudomonas viridis reaction centers</atitle><jtitle>FEBS letters</jtitle><date>1986-05-05</date><risdate>1986</risdate><volume>200</volume><issue>1</issue><spage>237</spage><epage>241</epage><pages>237-241</pages><issn>0014-5793</issn><eissn>1873-3468</eissn><coden>FEBLAL</coden><abstract>The change in absorption of the band assigned to the primary electron donor in
R. viridis reaction centers (P960) has been measured at 1.4–2.1 K following narrow bandwidth excitation at many wavelengths within the P960 absorption band. In all cases nearly the entire band was photobleached (full width at half-maximum about 400 cm
−1). This result can be explained by either an ultra-fast decay process from the initially excited state or a substantial difference in the equilibrium nuclear configuration between the ground and excited state of the donor. The latter may arise if the excited state of the donor has substantial charge transfer character. The results suggest a charge separation step which precedes formation of a bacteriopheo-phytin
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| ispartof | FEBS letters, 1986-05, Vol.200 (1), p.237-241 |
| issn | 0014-5793 1873-3468 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Biological and medical sciences Cell structures and functions Chloroplast, photosynthetic membrane and photosynthesis Fundamental and applied biological sciences. Psychology Molecular and cellular biology Photosynthesis Reaction center Holeburning (Rhodopseudomonas viridis) PhotosynthesisReaction centerHoleburning (Rhodopseudomonas viridis) Rhodopseudomonas viridis |
| title | Reversible photochemical holeburning in Rhodopseudomonas viridis reaction centers |
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