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Species sorting during biofilm assembly by artificial substrates deployed in a cold seep system
Zhang, W.; Wang, Y.; Tian, R.; Bougouffa, S.; Yang, B.; Cao, H.L.; Zhang, G.; Wong, Y.H.; Xu, W.; Batang, Z.B.; Al-Suwailem, A.; Zhang, X.X.; Qian, P.-Y. (2014). Species sorting during biofilm assembly by artificial substrates deployed in a cold seep system. NPG Scientific Reports 4(6647): 7 pp. hdl.handle.net/10.1038/srep06647
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322, more
Peer reviewed article  

Available in  Authors 

Keyword
    Marine

Authors  Top 
  • Zhang, W.
  • Wang, Y.
  • Tian, R.
  • Bougouffa, S.
  • Yang, B.
  • Cao, H.L.
  • Zhang, G.
  • Wong, Y.H.
  • Xu, W.
  • Batang, Z.B.
  • Al-Suwailem, A.
  • Zhang, X.X.
  • Qian, P.-Y.

Abstract
    Studies focusing on biofilm assembly in deep-sea environments are rarely conducted. To examine the effects of substrate type on microbial community assembly, biofilms were developed on different substrates for different durations at two locations in the Red Sea: in a brine pool and in nearby bottom water (NBW) adjacent to the Thuwal cold seep II. The composition of the microbial communities in 51 biofilms and water samples were revealed by classification of pyrosequenced 16S rRNA gene amplicons. Together with the microscopic characteristics of the biofilms, the results indicate a stronger selection effect by the substrates on the microbial assembly in the brine pool compared with the NBW. Moreover, the selection effect by substrate type was stronger in the early stages compared with the later stages of the biofilm development. These results are consistent with the hypotheses proposed in the framework of species sorting theory, which states that the power of species sorting during microbial community assembly is dictated by habitat conditions, duration and the structure of the source community. Therefore, the results of this study shed light on the control strategy underlying biofilm-associated marine fouling and provide supporting evidence for ecological theories important for understanding the formation of deep-sea biofilms.

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