Candidatus Chloracidobacterium thermophilum: An Aerobic Phototrophic Acidobacterium

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)-synthesiz...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 2007-07, Vol.317 (5837), p.523-526
Main 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
Format: Article
Language:English
Subjects:
Acidobacteria
Acidobacterium
Autotrophs
Bacteria
Bacteria, Aerobic - classification
Bacteria, Aerobic - isolation & purification
Bacteria, Aerobic - physiology
Bacteria, Aerobic - ultrastructure
Bacterial Chromatophores - ultrastructure
Bacteriochlorophylls - biosynthesis
Bacteriology
Biochemistry
Biofilms
Biological and medical sciences
Chlorobi
Computational Biology
Cultural enrichment
Ecosystem
Elution
Freshwater
Fundamental and applied biological sciences. Psychology
Genome, Bacterial
Genomics
Hot springs
Hot Springs - microbiology
Metagenomics
Microbiology
Molecular biology
Molecular Sequence Data
Mushrooms
Octopuses
Photosystem I Protein Complex - analysis
Phototrophic Processes
RNA, Ribosomal, 16S - genetics
Systematics
Temperature
Wyoming
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Summary: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:
ISSN:0036-8075
1095-9203
DOI:10.1126/science.1143236