In situ environment rather than substrate type dictates microbial community structure of biofilms in a cold seep system
Al-Suwailem, Abdulaziz M.
Batang, Zenon B.
Lafi, Feras Fawzi
Bajic, Vladimir B.
KAUST DepartmentAdvanced Nanofabrication, Imaging and Characterization Core Lab
Applied Mathematics and Computational Science Program
Biological and Environmental Sciences and Engineering (BESE) Division
Coastal and Marine Resources Core Lab
Computational Bioscience Research Center (CBRC)
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Desert Agriculture Initiative
Imaging and Characterization Core Lab
Material Science and Engineering Program
Physical Science and Engineering (PSE) Division
Online Publication Date2014-01-08
Print Publication Date2015-05
Permanent link to this recordhttp://hdl.handle.net/10754/334530
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AbstractUsing microscopic and molecular techniques combined with computational analysis, this study examined the structure and composition of microbial communities in biofilms that formed on different artificial substrates in a brine pool and on a seep vent of a cold seep in the Red Sea to test our hypothesis that initiation of the biofilm formation and spreading mode of microbial structures differs between the cold seep and the other aquatic environments. Biofilms on different substrates at two deployment sites differed morphologically, with the vent biofilms having higher microbial abundance and better structural features than the pool biofilms. Microbes in the pool biofilms were more taxonomically diverse and mainly composed of various sulfate-reducing bacteria whereas the vent biofilms were exclusively dominated by sulfur-oxidizing Thiomicrospira. These results suggest that the redox environments at the deployment sites might have exerted a strong selection on microbes in the biofilms at two sites whereas the types of substrates had limited effects on the biofilm development.
CitationLee OO, Wang Y, Tian R, Zhang W, Shek CS, et al. (2014) In situ environment rather than substrate type dictates microbial community structure of biofilms in a cold seep system. Sci Rep 4. doi:10.1038/srep03587.
CollectionsArticles; Biological and Environmental Sciences and Engineering (BESE) Division; Coastal and Marine Resources Core Lab; Imaging and Characterization Core Lab; Applied Mathematics and Computational Science Program; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; Computational Bioscience Research Center (CBRC); Desert Agriculture Initiative; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
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