Candidatus Chloracidobacterium thermophilum: an aerobic phototrophic Acidobacterium |
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| Authors: | Bryant Donald A Costas Amaya M Garcia Maresca Julia A Chew Aline Gomez Maqueo Klatt Christian G Bateson Mary M Tallon Luke J Hostetler Jessica Nelson William C Heidelberg John F Ward David M |
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| Affiliation: | Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA 16802, USA. dab14@psu.edu |
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| Abstract: | Only five bacterial phyla with members capable of chlorophyll (Chl)-based phototrophy are presently known. Metagenomic data from the phototrophic microbial mats of alkaline siliceous hot springs in Yellowstone National Park revealed the existence of a distinctive bacteriochlorophyll (BChl)-synthesizing, phototrophic bacterium. A highly enriched culture of this bacterium grew photoheterotrophically, synthesized BChls a and c under oxic conditions, and had chlorosomes and type 1 reaction centers. "Candidatus Chloracidobacterium thermophilum" is a BChl-producing member of the poorly characterized phylum Acidobacteria. |
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