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    Adaptation of intertidal biofilm communities is driven by metal ion and oxidative stresses

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    Type
    Article
    Authors
    Zhang, Weipeng
    Wang, Yong
    Lee, On On
    Tian, Renmao
    Cao, Huiluo
    Gao, Zhaoming
    Li, Yongxin
    Yu, Li
    Xu, Ying
    Qian, Pei-Yuan cc
    KAUST Department
    Competitive Research Funds
    OCRF- Special Academic Partnership
    Office of the VP
    KAUST Grant Number
    SA-C0040
    UK C0016
    Date
    2013-11-11
    Online Publication Date
    2013-11-11
    Print Publication Date
    2013-12
    Permanent link to this record
    http://hdl.handle.net/10754/554385
    
    Metadata
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    Abstract
    Marine organisms in intertidal zones are subjected to periodical fluctuations and wave activities. To understand how microbes in intertidal biofilms adapt to the stresses, the microbial metagenomes of biofilms from intertidal and subtidal zones were compared. The genes responsible for resistance to metal ion and oxidative stresses were enriched in both 6-day and 12-day intertidal biofilms, including genes associated with secondary metabolism, inorganic ion transport and metabolism, signal transduction and extracellular polymeric substance metabolism. In addition, these genes were more enriched in 12-day than 6-day intertidal biofilms. We hypothesize that a complex signaling network is used for stress tolerance and propose a model illustrating the relationships between these functions and environmental metal ion concentrations and oxidative stresses. These findings show that bacteria use diverse mechanisms to adapt to intertidal zones and indicate that the community structures of intertidal biofilms are modulated by metal ion and oxidative stresses.
    Citation
    Adaptation of intertidal biofilm communities is driven by metal ion and oxidative stresses 2013, 3 Scientific Reports
    Sponsors
    This study was supported by the Nationa Basic Research Program of China (973 program, 2012CB417304), the Development Program of China (863 program, 2012AA092103), The Sanya Institute of Deep-Sea Science and Engineering (SIDSSE201206), General Research Fund (661611) of HKSAR Government and Global Collaborative Research Award from King Abdullah University of Science and Technology (SA-C0040/UK C0016).
    Publisher
    Springer Nature
    Journal
    Scientific Reports
    DOI
    10.1038/srep03180
    PubMed ID
    24212283
    PubMed Central ID
    PMC3822395
    Additional Links
    http://www.nature.com/doifinder/10.1038/srep03180
    ae974a485f413a2113503eed53cd6c53
    10.1038/srep03180
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