Light harvesting in phototrophic bacteria: structure and function.

Rafael G Saer, Robert E Blankenship

The Biochemical journal 2017 Jun 13

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This review serves as an introduction to the variety of light-harvesting (LH) structures present in phototrophic prokaryotes. It provides an overview of the LH complexes of purple bacteria, green sulfur bacteria (GSB), acidobacteria, filamentous anoxygenic phototrophs (FAP), and cyanobacteria. Bacteria have adapted their LH systems for efficient operation under a multitude of different habitats and light qualities, performing both oxygenic (oxygen-evolving) and anoxygenic (non-oxygen-evolving) photosynthesis. For each LH system, emphasis is placed on the overall architecture of the pigment-protein complex, as well as any relevant information on energy transfer rates and pathways. This review addresses also some of the more recent findings in the field, such as the structure of the CsmA chlorosome baseplate and the whole-cell kinetics of energy transfer in GSB, while also pointing out some areas in need of further investigation. © 2017 The Author(s); published by Portland Press Limited on behalf of the Biochemical Society.

Citation

Rafael G Saer, Robert E Blankenship. Light harvesting in phototrophic bacteria: structure and function. The Biochemical journal. 2017 Jun 13;474(13):2107-2131