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Metabolism, Structure and Function of Plant Tetrapyrroles: Control Mechanisms of Chlorophyll Biosynthesis and Analysis of Chlorophyll-Binding Proteins

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    SYSNO ASEP0518159
    Document TypeM - Monograph Chapter
    R&D Document TypeMonograph Chapter
    TitleChlorophyll-binding subunits of photosystem I and II: Biosynthesis, chlorophyll incorporation and assembly
    Author(s) Komenda, Josef (MBU-M) RID, ORCID
    Sobotka, Roman (MBU-M) RID, ORCID
    Source TitleMetabolism, Structure and Function of Plant Tetrapyrroles: Control Mechanisms of Chlorophyll Biosynthesis and Analysis of Chlorophyll-Binding Proteins. - Londýn : ACADEMIC PRESS LTD-ELSEVIER SCIENCE LTD, 2019 / Grimm B. - ISSN 0065-2296 - ISBN 978-0-12-819982-4
    Pagess. 195-223
    Number of pages29 s.
    Number of pages293
    Publication formPrint - P
    Languageeng - English
    CountryGB - United Kingdom
    Keywordsoxygenic photosynthesis ; Photosystem I ; Chlorophyll II
    Subject RIVCE - Biochemistry
    OECD categoryBiochemistry and molecular biology
    R&D ProjectsLO1416 GA MŠk - Ministry of Education, Youth and Sports (MEYS)
    GX19-29225X GA ČR - Czech Science Foundation (CSF)
    Institutional supportMBU-M - RVO:61388971
    UT WOS000500003000008
    EID SCOPUS85062805736
    DOI10.1016/bs.abr.2019.02.001
    AnnotationAs an essential cofactor of photosystem I and photosystem II, chlorophyll plays a fundamental role in oxygenic photosynthesis. Chlorophyll molecules are responsible for both the absorption of visible light and its photochemical conversion during the process of charge separation. The vast majority of chlorophyll molecules located in photosystems is bound to six core subunits that appear to have a common evolutionary origin. Available data indicate that these large transmembrane proteins are synthesized on membrane-bound ribosomes and inserted into the thylakoid membrane with the assistance of SecY translocase and various protein factors. Newly synthesized chlorophyll-proteins associate with small transmembrane subunits, carotenoids, and other cofactors, and assemble in a stepwise manner into the final functional photosystems. This chapter summarizes our current knowledge of the individual events during photosystem biogenesis: apoprotein translation and membrane insertion, loading of chlorophyll molecules into the synthesized apoproteins, formation of assembly modules, and final assembly into the photosystems.
    WorkplaceInstitute of Microbiology
    ContactEliška Spurná, eliska.spurna@biomed.cas.cz, Tel.: 241 062 231
    Year of Publishing2020
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