The Assimilation of Diazotroph-Derived Nitrogen by Scleractinian Corals Depends on Their Metabolic Status

The Assimilation of Diazotroph-Derived Nitrogen by Scleractinian Corals Depends on Their Metabolic Status

Vanessa N. Bednarza, Renaud Grovera, Jean-François Maguerb, Maoz Finec, Christine Ferrier-Pagès

10 January 2017, mBio, vol. 8, no. 1 e02058-16

doi: 10.1128/mBio.02058-16

Copyright © 2017 Bednarz et al.
This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.


I knew that nitrogen-fixing microbes were a part of corals holobiont, but it’s not something I’ve read into before.  This article was a great starter!

The full text is available at the link above since this is a Creative Commons article.  You can download a PDF there as well if you like.

Here’s one excerpt from the abstract to get you to click through to the article and read the whole thing:

We show that DDN is assimilated by both the animal host and the endosymbiotic algae. In addition, the amount of assimilated DDN was significantly greater in mesophotic [deep water], bleached, or phosphorus-enriched corals than in surface corals, which almost did not take up this nitrogen form. DDN can thus be of particular importance for the nutrient budget of corals whenever they are limited by the availability of other forms of dissolved nutrients.

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