ELECTRON TOMOGRAPHY OF THE PHOTOSYNTHETIC APPARATUS OF CHLOROTHRIX HAL

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This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. Chlorothrix halophila is a newly discovered anoxygenic photosynthetic bacterium with a unique photosynthetic apparatus. The in situ structure of this photosynthetic apparatus is being investigated to help us to understand how this organism undertakes photosynthesis and how there is transfer of energy from the chlorosome antenna complex to harvest the sun¿s energy. The question of how bacteriochlorophyll is packed into the chlorosomes for efficient energy transfer would also be addressed by investigating the structure of isolated chlorosomes by cryo electron tomography.