Composition and structure of photosystem I in the moss Physcomitrella patens

Recently, bryophytes, which diverged from the ancestor of seed plants more than 400 million years ago, came into focus in photosynthesis research as they can provide valuable insights into the evolution of photosynthetic complexes during the adaptation to terrestrial life. This study isolated intact...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 64(2013), 10 vom: 15. Juli, Seite 2689-99
1. Verfasser: Busch, Andreas (VerfasserIn)
Weitere Verfasser: Petersen, Jørgen, Webber-Birungi, Mariam T, Powikrowska, Marta, Lassen, Lærke Marie Münter, Naumann-Busch, Bianca, Nielsen, Agnieszka Zygadlo, Ye, Juanying, Boekema, Egbert J, Jensen, Ole Nørregaard, Lunde, Christina, Jensen, Poul Erik
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Photosystem I Physcomitrella patens moss photosynthesis state transitions structure Light-Harvesting Protein Complexes Photosystem I Protein Complex Protein Isoforms
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520 |a Recently, bryophytes, which diverged from the ancestor of seed plants more than 400 million years ago, came into focus in photosynthesis research as they can provide valuable insights into the evolution of photosynthetic complexes during the adaptation to terrestrial life. This study isolated intact photosystem I (PSI) with its associated light-harvesting complex (LHCI) from the moss Physcomitrella patens and characterized its structure, polypeptide composition, and light-harvesting function using electron microscopy, mass spectrometry, biochemical, and physiological methods. It became evident that Physcomitrella possesses a strikingly high number of isoforms for the different PSI core subunits as well as LHCI proteins. It was demonstrated that all these different subunit isoforms are expressed at the protein level and are incorporated into functional PSI-LHCI complexes. Furthermore, in contrast to previous reports, it was demonstrated that Physcomitrella assembles a light-harvesting complex consisting of four light-harvesting proteins forming a higher-plant-like PSI superstructure 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Photosystem I 
650 4 |a Physcomitrella patens 
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650 4 |a photosynthesis 
650 4 |a state transitions 
650 4 |a structure 
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650 7 |a Photosystem I Protein Complex  |2 NLM 
650 7 |a Protein Isoforms  |2 NLM 
700 1 |a Petersen, Jørgen  |e verfasserin  |4 aut 
700 1 |a Webber-Birungi, Mariam T  |e verfasserin  |4 aut 
700 1 |a Powikrowska, Marta  |e verfasserin  |4 aut 
700 1 |a Lassen, Lærke Marie Münter  |e verfasserin  |4 aut 
700 1 |a Naumann-Busch, Bianca  |e verfasserin  |4 aut 
700 1 |a Nielsen, Agnieszka Zygadlo  |e verfasserin  |4 aut 
700 1 |a Ye, Juanying  |e verfasserin  |4 aut 
700 1 |a Boekema, Egbert J  |e verfasserin  |4 aut 
700 1 |a Jensen, Ole Nørregaard  |e verfasserin  |4 aut 
700 1 |a Lunde, Christina  |e verfasserin  |4 aut 
700 1 |a Jensen, Poul Erik  |e verfasserin  |4 aut 
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773 1 8 |g volume:64  |g year:2013  |g number:10  |g day:15  |g month:07  |g pages:2689-99 
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