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    Environmental switching during biofilm development in a cold seep system and functional determinants of species sorting

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    Name:
    Zhang_et_al-Molecular_Ecology.pdf
    Size:
    855.1Kb
    Format:
    PDF
    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Zhang, Weipeng
    Tian, Renmao
    Yang, Bo
    Cao, Huiluo
    Cai, Lin
    Chen, Lianguo
    Zhou, Guowei
    Sun, Jingya
    Zhang, Xixiang cc
    Al-Suwailem, Abdulaziz M.
    Qian, Pei-Yuan cc
    KAUST Department
    Coastal and Marine Resources Core Lab
    KAUST Global Partnership Program
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2016-01-19
    Online Publication Date
    2016-01-19
    Print Publication Date
    2016-05
    Permanent link to this record
    http://hdl.handle.net/10754/583482
    
    Metadata
    Show full item record
    Abstract
    The functional basis for species sorting theory remains elusive, especially for microbial community assembly in deep sea environments. Using artificial surface-based biofilm models, our recent work revealed taxonomic succession during biofilm development in a newly defined cold seep system, the Thuwal cold seeps II, which comprises a brine pool and the adjacent normal bottom water (NBW) to form a metacommunity via the potential immigration of organisms from one patch to another. Here, we designed an experiment to investigate the effects of environmental switching between the brine pool and the NBW on biofilm assembly, which could reflect environmental filtering effects during bacterial immigration to new environments. Analyses of 16S rRNA genes of 71 biofilm samples suggested that the microbial composition of biofilms established in new environments was determined by both the source community and the incubation conditions. Moreover, a comparison of 18 metagenomes provided evidence for biofilm community assembly that was based primarily on functional features rather than taxonomic identities; metal ion resistance and amino acid metabolism were the major species sorting determinants for the succession of biofilm communities. Genome binning and pathway reconstruction of two bacterial species (Marinobacter sp. and Oleispira sp.) further demonstrated metal ion resistance and amino acid metabolism as functional traits conferring the survival of habitat generalists in both the brine pool and NBW. The results of the present study sheds new light on microbial community assembly in special habitats and bridges a gap in species sorting theory.
    Citation
    Environmental switching during biofilm development in a cold seep system and functional determinants of species sorting 2015:n/a Molecular Ecology
    Publisher
    Wiley
    Journal
    Molecular Ecology
    DOI
    10.1111/mec.13501
    PubMed ID
    26614914
    Additional Links
    http://doi.wiley.com/10.1111/mec.13501
    ae974a485f413a2113503eed53cd6c53
    10.1111/mec.13501
    Scopus Count
    Collections
    Articles; Coastal and Marine Resources Core Lab; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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