Protein structure,electron transfer and evolution of prokaryotic photosynthetic reaction centers |
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| Authors: | Robert E. Blankenship |
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| Affiliation: | (1) Department of Chemistry and Biochemistry, Center for the Study of Early Events in Photosynthesis, Arizona State University, 85287-1604 Tempe, AZ, USA |
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| Abstract: | Photosynthetic reaction centers from a variety of organisms have been isolated and characterized. The groups of prokaryotic photosynthetic organisms include the purple bacteria, the filamentous green bacteria, the green sulfur bacteria and the heliobacteria as anoxygenic representatives as well as the cyanobacteria and prochlorophytes as oxygenic representatives. This review focuses on structural and functional comparisons of the various groups of photosynthetic reaction centers and considers possible evolutionary scenarios to explain the diversity of existing photosynthetic organisms.Abbreviations BChl bacteriochlorophyll - Chl chlorophyll - Rb Rhodobacter - Rp Rhodopseudomonas |
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| Keywords: | photosynthesis chlorophyll bacteriochlorophyll reaction center electron transfer evolution |
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