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    Rhizosphere microbiome metagenomics of gray mangroves (Avicennia marina) in the Red Sea

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    1-s2.0-S0378111915012408-main.pdf
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    Type
    Article
    Authors
    Alzubaidy, Hanin S. cc
    Essack, Magbubah cc
    Malas, Tareq Majed Yasin cc
    Bokhari, Ameerah cc
    Motwalli, Olaa Amin cc
    Kamanu, Frederick Kinyua
    Jamhor, Suhaiza
    Mokhtar, Noor Azlin
    Antunes, Andre cc
    Simoes, Marta
    Alam, Intikhab
    Bougouffa, Salim cc
    Lafi, Feras Fawzi
    Bajic, Vladimir B. cc
    Archer, John A.C. cc
    KAUST Department
    Applied Mathematics and Computational Science Program
    Biological and Environmental Science and Engineering (BESE) Division
    Bioscience Program
    Center for Desert Agriculture
    Computational Bioscience Research Center (CBRC)
    Computer Science Program
    Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division
    Date
    2015-11-10
    Online Publication Date
    2015-11-10
    Print Publication Date
    2016-02
    Permanent link to this record
    http://hdl.handle.net/10754/582498
    
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    Abstract
    Mangroves are unique, and endangered, coastal ecosystems that play a vital role in the tropical and subtropical environments. A comprehensive description of the microbial communities in these ecosystems is currently lacking, and additional studies are required to have a complete understanding of the functioning and resilience of mangroves worldwide. In this work, we carried out a metagenomic study by comparing the microbial community of mangrove sediment with the rhizosphere microbiome of Avicennia marina, in northern Red Sea mangroves, along the coast of Saudi Arabia. Our results revealed that rhizosphere samples presented similar profiles at the taxonomic and functional levels and differentiated from the microbiome of bulk soil controls. Overall, samples showed predominance by Proteobacteria, Bacteroidetes and Firmicutes, with high abundance of sulfate reducers and methanogens, although specific groups were selectively enriched in the rhizosphere. Functional analysis showed significant enrichment in ‘metabolism of aromatic compounds’, ‘mobile genetic elements’, ‘potassium metabolism’ and ‘pathways that utilize osmolytes’ in the rhizosphere microbiomes. To our knowledge, this is the first metagenomic study on the microbiome of mangroves in the Red Sea, and the first application of unbiased 454-pyrosequencing to study the rhizosphere microbiome associated with A. marina. Our results provide the first insights into the range of functions and microbial diversity in the rhizosphere and soil sediments of gray mangrove (A. marina) in the Red Sea.
    Citation
    Rhizosphere microbiome metagenomics of gray mangroves (Avicennia marina) in the Red Sea 2015 Gene
    Publisher
    Elsevier BV
    Journal
    Gene
    DOI
    10.1016/j.gene.2015.10.032
    PubMed ID
    26475934
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S0378111915012408
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.gene.2015.10.032
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Bioscience Program; Applied Mathematics and Computational Science Program; Computer Science Program; Computational Bioscience Research Center (CBRC); Center for Desert Agriculture; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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