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    First Insights into the Viral Communities of the Deep-sea Anoxic Brines of the Red Sea

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    Type
    Article
    Authors
    Antunes, Andre cc
    Alam, Intikhab
    Simoes, Marta
    Daniels, Camille Arian cc
    Ferreira, Ari J.S.
    Siam, Rania
    El-Dorry, Hamza
    Bajic, Vladimir B. cc
    KAUST Department
    Computational Bioscience Research Center (CBRC)
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Red Sea Research Center (RSRC)
    Biological and Environmental Sciences and Engineering (BESE) Division
    Applied Mathematics and Computational Science Program
    Date
    2015-11-04
    Online Publication Date
    2015-11-04
    Print Publication Date
    2015-10
    Permanent link to this record
    http://hdl.handle.net/10754/581795
    
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    Abstract
    The deep-sea brines of the Red Sea include some of the most extreme and unique environments on Earth. They combine high salinities with increases in temperature, heavy metals, hydrostatic pressure, and anoxic conditions, creating unique settings for thriving populations of novel extremophiles. Despite a recent increase of studies focusing on these unusual biotopes, their viral communities remain unexplored. The current survey explores four metagenomic datasets obtained from different brine-seawater interface samples, focusing specifically on the diversity of their viral communities. Data analysis confirmed that the particle-attached viral communities present in the brine-seawater interfaces were diverse and generally dominated by Caudovirales, yet appearing distinct from sample to sample. With a level of caution, we report the unexpected finding of Phycodnaviridae, which infects algae and plants, and trace amounts of insect-infecting Iridoviridae. Results from Kebrit Deep revealed stratification in the viral communities present in the interface: the upper-interface was enriched with viruses associated with typical marine bacteria, while the lower-interface was enriched with haloviruses and halophages. These results provide first insights into the unexplored viral communities present in deep-sea brines of the Red Sea, representing one of the first steps for ongoing and future sampling efforts and studies.
    Citation
    First Insights into the Viral Communities of the Deep-sea Anoxic Brines of the Red Sea 2015 Genomics, Proteomics & Bioinformatics
    Publisher
    Elsevier BV
    Journal
    Genomics, Proteomics & Bioinformatics
    DOI
    10.1016/j.gpb.2015.06.004
    PubMed ID
    26529193
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S1672022915001370
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.gpb.2015.06.004
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Red Sea Research Center (RSRC); Applied Mathematics and Computational Science Program; Computational Bioscience Research Center (CBRC); Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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