@article{Meunier2021-11Micro-54951,
  year={2021},
  doi={10.1111/mec.16163},
  title={Microbes support enhanced nitrogen requirements of coral holobionts in a high CO<sub>2</sub> environment},
  number={22},
  volume={30},
  issn={0962-1083},
  journal={Molecular Ecology},
  pages={5888--5899},
  author={Meunier, Valentine and Geißler, Laura and Bonnet, Sophie and Rädecker, Nils and Perna, Gabriela and Grosso, Olivier and Lambert, Christophe and Rodolfo-Metalpa, Riccardo and Voolstra, Christian R. and Houlbrèque, Fanny}
}

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    <dc:creator>Grosso, Olivier</dc:creator>
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    <dc:creator>Houlbrèque, Fanny</dc:creator>
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    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2021-09-22T09:22:59Z</dc:date>
    <dc:contributor>Perna, Gabriela</dc:contributor>
    <dcterms:issued>2021-11</dcterms:issued>
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    <dc:contributor>Lambert, Christophe</dc:contributor>
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    <dc:creator>Bonnet, Sophie</dc:creator>
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    <dc:contributor>Houlbrèque, Fanny</dc:contributor>
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    <dc:contributor>Rädecker, Nils</dc:contributor>
    <dcterms:abstract xml:lang="eng">Ocean acidification is posing a threat to calcifying organisms due to the increased energy requirements of calcification under high CO&lt;sub&gt;2&lt;/sub&gt; conditions. The ability of scleractinian corals to cope with future ocean conditions will thus depend on their ability to fulfill their carbon requirement. However, the primary productivity of coral holobionts is limited by low nitrogen (N) availability in coral reef waters. Here, we employed CO&lt;sub&gt;2&lt;/sub&gt; seeps of Tutum Bay (Papua New Guinea) as a natural laboratory to understand how coral holobionts offset their increased energy requirements under high CO&lt;sub&gt;2&lt;/sub&gt; conditions. Our results demonstrate for the first time that under high pCO2 conditions, N assimilation pathways of Pocillopora damicornis are jointly modified. We found that diazotroph-derived N assimilation rates in the Symbiodiniaceae were significantly higher in comparison to an ambient CO&lt;sub&gt;2&lt;/sub&gt; control site, concomitant with a restructured diazotroph community and the specific prevalence of an alpha-proteobacterium. Further, corals at the high CO&lt;sub&gt;2&lt;/sub&gt; site also had increased feeding rates on picoplankton and in particular exhibited selective feeding on Synechococcus sp., known to be rich in N. Given the high abundance of picoplankton in oligotrophic waters at large, our results suggest that corals exhibiting flexible diazotrophic communities and capable of exploiting N-rich picoplankton sources to offset their increased N requirements may be able to cope better in a high pCO&lt;sub&gt;2&lt;/sub&gt; world.</dcterms:abstract>
    <dc:contributor>Voolstra, Christian R.</dc:contributor>
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    <dc:creator>Lambert, Christophe</dc:creator>
    <dc:creator>Rodolfo-Metalpa, Riccardo</dc:creator>
    <dcterms:title>Microbes support enhanced nitrogen requirements of coral holobionts in a high CO&lt;sub&gt;2&lt;/sub&gt; environment</dcterms:title>
    <dc:contributor>Bonnet, Sophie</dc:contributor>
    <dc:contributor>Grosso, Olivier</dc:contributor>
    <dc:contributor>Geißler, Laura</dc:contributor>
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    <dc:contributor>Rodolfo-Metalpa, Riccardo</dc:contributor>
    <dc:creator>Meunier, Valentine</dc:creator>
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    <dc:contributor>Meunier, Valentine</dc:contributor>
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    <dc:creator>Voolstra, Christian R.</dc:creator>
    <dc:creator>Rädecker, Nils</dc:creator>
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