A genomic view of the reef-building coral Porites lutea and its microbial symbionts

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2019
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Robbins, Steven J.
Singleton, Caitlin M.
Chan, Cheong Xin
Messer, Lauren F.
Geers, Aileen U.
Ying, Hua
Baker, Alexander
Bell, Sara C.
Tyson, Gene W.
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Nature Microbiology. 2019, 4(12), pp. 2090-2100. eISSN 2058-5276. Available under: doi: 10.1038/s41564-019-0532-4
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Corals and the reef ecosystems that they support are in global decline due to increasing anthropogenic pressures such as climate change1. However, effective reef conservation strategies are hampered by a limited mechanistic understanding of coral biology and the functional roles of the diverse microbial communities that underpin coral health2,3. Here, we present an integrated genomic characterization of the coral species Porites lutea and its microbial partners. High-quality genomes were recovered from P. lutea, as well as a metagenome-assembled Cladocopium C15 (the dinoflagellate symbiont) and 52 bacterial and archaeal populations. Comparative genomic analysis revealed that many of the bacterial and archaeal genomes encode motifs that may be involved in maintaining association with the coral host and in supplying fixed carbon, B-vitamins and amino acids to their eukaryotic partners. Furthermore, mechanisms for ammonia, urea, nitrate, dimethylsulfoniopropionate and taurine transformation were identified that interlink members of the holobiont and may be important for nutrient acquisition and retention in oligotrophic waters. Our findings demonstrate the critical and diverse roles that microorganisms play within the coral holobiont and underscore the need to consider all of the components of the holobiont if we are to effectively inform reef conservation strategies.

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ISO 690ROBBINS, Steven J., Caitlin M. SINGLETON, Cheong Xin CHAN, Lauren F. MESSER, Aileen U. GEERS, Hua YING, Alexander BAKER, Sara C. BELL, Christian R. VOOLSTRA, Gene W. TYSON, 2019. A genomic view of the reef-building coral Porites lutea and its microbial symbionts. In: Nature Microbiology. 2019, 4(12), pp. 2090-2100. eISSN 2058-5276. Available under: doi: 10.1038/s41564-019-0532-4
BibTex
@article{Robbins2019-12genom-47084,
  year={2019},
  doi={10.1038/s41564-019-0532-4},
  title={A genomic view of the reef-building coral Porites lutea and its microbial symbionts},
  number={12},
  volume={4},
  journal={Nature Microbiology},
  pages={2090--2100},
  author={Robbins, Steven J. and Singleton, Caitlin M. and Chan, Cheong Xin and Messer, Lauren F. and Geers, Aileen U. and Ying, Hua and Baker, Alexander and Bell, Sara C. and Voolstra, Christian R. and Tyson, Gene W.}
}
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