Adaptation of intertidal biofilm communities is driven by metal ion and oxidative stresses
Type
ArticleAuthors
Zhang, WeipengWang, Yong
Lee, On On
Tian, Renmao
Cao, Huiluo
Gao, Zhaoming
Li, Yongxin
Yu, Li
Xu, Ying
Qian, Pei-Yuan

Date
2013-11-11Online Publication Date
2013-11-11Print Publication Date
2013-12Permanent link to this record
http://hdl.handle.net/10754/554385
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Show full item recordAbstract
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 ReportsSponsors
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 NatureJournal
Scientific ReportsPubMed ID
24212283PubMed Central ID
PMC3822395Additional Links
http://www.nature.com/doifinder/10.1038/srep03180ae974a485f413a2113503eed53cd6c53
10.1038/srep03180
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