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. 2007 Jul 27;317(5837):523-6.
doi: 10.1126/science.1143236.

Candidatus Chloracidobacterium thermophilum: an aerobic phototrophic Acidobacterium

Donald A Bryant  1 , Amaya M Garcia Costas, Julia A Maresca, Aline Gomez Maqueo Chew, Christian G Klatt, Mary M Bateson, Luke J Tallon, Jessica Hostetler, William C Nelson, John F Heidelberg, David M Ward
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Candidatus Chloracidobacterium thermophilum: an aerobic phototrophic Acidobacterium

Donald A Bryant et al. Science. .

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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