Autotrophic microbe metagenomes and metabolic pathways differentiate adjacent red sea brine pools
Type
ArticleAuthors
Wang, YongCao, Huiluo
Zhang, Guishan
Bougouffa, Salim

Lee, On On
Al-Suwailem, Abdulaziz M.
Qian, Pei-Yuan

KAUST Department
Applied Mathematics and Computational Science ProgramCoastal and Marine Resources Core Lab
Red Sea Research Center (RSRC)
Date
2013-04-29Online Publication Date
2013-04-29Print Publication Date
2013-12Permanent link to this record
http://hdl.handle.net/10754/325382
Metadata
Show full item recordAbstract
In the Red Sea, two neighboring deep-sea brine pools, Atlantis II and Discovery, have been studied extensively, and the results have shown that the temperature and concentrations of metal and methane in Atlantis II have increased over the past decades. Therefore, we investigated changes in the microbial community and metabolic pathways. Here, we compared the metagenomes of the two pools to each other and to those of deep-sea water samples. Archaea were generally absent in the Atlantis II metagenome; Bacteria in the metagenome were typically heterotrophic and depended on aromatic compounds and other extracellular organic carbon compounds as indicated by enrichment of the related metabolic pathways. In contrast, autotrophic Archaea capable of CO2 fixation and methane oxidation were identified in Discovery but not in Atlantis II. Our results suggest that hydrothermal conditions and metal precipitation in the Atlantis II pool have resulted in elimination of the autotrophic community and methanogens.Citation
Wang Y, Cao H, Zhang G, Bougouffa S, Lee OO, et al. (2013) Autotrophic Microbe Metagenomes and Metabolic Pathways Differentiate Adjacent Red Sea Brine Pools. Sci Rep 3. doi:10.1038/srep01748.Publisher
Springer NatureJournal
Scientific ReportsPubMed ID
23624511PubMed Central ID
PMC3638166ae974a485f413a2113503eed53cd6c53
10.1038/srep01748
Scopus Count
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Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by-nc-nd/3.0/
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