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    Bacterial Rhizosphere Biodiversity from Several Pioneer Desert Sand Plants Near Jizan, Saudi Arabia

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    TOPROCJ-7-2-70.pdf
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    Type
    Article
    Authors
    Osman, Jorge R.
    Zelicourt, Axel de
    Bisseling, Ton
    Geurts, Rene
    Hirt, Heribert cc
    DuBow, Michael S.
    KAUST Department
    Center for Desert Agriculture
    Date
    2016-04-08
    Permanent link to this record
    http://hdl.handle.net/10754/607161
    
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    Abstract
    Life in arid regions and, in particular, hot deserts is often limited due to their harsh environmental conditions, such as large temperature fluctuations and low amounts of water. These extreme environments can influence the microbial community present on the surface sands and any rhizosphere members surrounding desert plant roots. The Jizan desert area, located in Saudi Arabia, supports particular vegetation that grows in the large sandy flat terrain. We examined five different samples, four from the rhizosphere of pioneer plants plus a surface sand sample, and used pyrosequencing of PCR-amplified V1-V3 regions of 16S rDNA genes from total extracted DNA to reveal and compare the bacterial population diversity of the samples. The results showed a total of 3,530 OTUs in the five samples, calculated using ≥ 97% sequence similarity levels. The Chao1 estimation of the bacterial diversity fluctuated from 637 to 2,026 OTUs for a given sample. The most abundant members found in the samples belong to the Bacteroidetes, Firmicutes and Proteobacteria phyla. This work shows that the Jizan desert area of Saudi Arabia can contain a diverse bacterial community on the sand and surrounding the roots of pioneer desert plants. It also shows that desert sand microbiomes can vary depending on conditions, with broad implications for sandstone monument bacterial communities
    Citation
    Bacterial Rhizosphere Biodiversity from Several Pioneer Desert Sand Plants Near Jizan, Saudi Arabia 2016, 7 (suppl 1: M7):70 The Open Conference Proceedings Journal
    Sponsors
    We thank all the members of the Laboratoire de Génomique et Biodiversité Microbienne des Biofilms (LGBMB) of the Institute of Integrative Biology of the Cell (I2BC) for interesting discussions, comments and suggestions. This work was supported by the Centre National de la Recherche Scientifique (CNRS), France.
    Publisher
    Bentham Science Publishers Ltd.
    Journal
    The Open Conference Proceedings Journal
    DOI
    10.2174/2210289201607020070
    Additional Links
    http://benthamopen.com/ABSTRACT/TOPROCJ-7-2-70
    ae974a485f413a2113503eed53cd6c53
    10.2174/2210289201607020070
    Scopus Count
    Collections
    Articles; Center for Desert Agriculture

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