Distinct Bacterial Communities Associated with the Coral Model Aiptasia in Aposymbiotic and Symbiotic States with Symbiodinium
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Type
ArticleAuthors
Röthig, Till
Martins Da Costa, Ruben

Simona, Fabia

Baumgarten, Sebastian

Torres, Ana F.
Radhakrishnan, Anand
Aranda, Manuel

Voolstra, Christian R.

KAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionBioscience Program
Computational Bioscience Research Center (CBRC)
Marine Science Program
Red Sea Research Center (RSRC)
Date
2016-11-18Permanent link to this record
http://hdl.handle.net/10754/622707
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Show full item recordAbstract
Coral reefs are in decline. The basic functional unit of coral reefs is the coral metaorganism or holobiont consisting of the cnidarian host animal, symbiotic algae of the genus Symbiodinium, and a specific consortium of bacteria (among others), but research is slow due to the difficulty of working with corals. Aiptasia has proven to be a tractable model system to elucidate the intricacies of cnidarian-dinoflagellate symbioses, but characterization of the associated bacterial microbiome is required to provide a complete and integrated understanding of holobiont function. In this work, we characterize and analyze the microbiome of aposymbiotic and symbiotic Aiptasia and show that bacterial associates are distinct in both conditions. We further show that key microbial associates can be cultured without their cnidarian host. Our results suggest that bacteria play an important role in the symbiosis of Aiptasia with Symbiodinium, a finding that underlines the power of the Aiptasia model system where cnidarian hosts can be analyzed in aposymbiotic and symbiotic states. The characterization of the native microbiome and the ability to retrieve culturable isolates contributes to the resources available for the Aiptasia model system. This provides an opportunity to comparatively analyze cnidarian metaorganisms as collective functional holobionts and as separated member species. We hope that this will accelerate research into understanding the intricacies of coral biology, which is urgently needed to develop strategies to mitigate the effects of environmental change.Citation
Röthig T, Costa RM, Simona F, Baumgarten S, Torres AF, et al. (2016) Distinct Bacterial Communities Associated with the Coral Model Aiptasia in Aposymbiotic and Symbiotic States with Symbiodinium. Frontiers in Marine Science 3. Available: http://dx.doi.org/10.3389/fmars.2016.00234.Sponsors
We would like to thank Mohammad Bin Sarhan for preliminary work on cultural isolates and Craig T. Michell for MiSeq library generation.Publisher
Frontiers Media SAJournal
Frontiers in Marine ScienceAdditional Links
journal.frontiersin.org/article/10.3389/fmars.2016.00234/fullRelations
Is Supplemented By:- [Bioproject]
Title: sea anemone metagenome Targeted loci environmentalPublication Date: 2016-06-13. bioproject: PRJNA325476 Handle: 10754/666555
ae974a485f413a2113503eed53cd6c53
10.3389/fmars.2016.00234
Scopus Count
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