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<identifier>oai:HAL:hal-01203244v1</identifier>
<datestamp>2018-01-12</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>First Description of Sulphur-Oxidizing Bacterial Symbiosis in a Cnidarian (Medusozoa) Living in Sulphidic Shallow-Water Environments</title>
<creator>Abouna, Sylvie</creator>
<creator>Gonzalez-Rizzo, Silvina</creator>
<creator>Grimonprez, Adrien</creator>
<creator>Gros, Olivier</creator>
<contributor>Systématique, adaptation, évolution (SAE) ; Université Pierre et Marie Curie - Paris 6 (UPMC) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<description>International audience</description>
<source>ISSN: 1932-6203</source>
<source>PLoS ONE</source>
<publisher>Public Library of Science</publisher>
<identifier>hal-01203244</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01203244</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01203244/document</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01203244/file/Plos%20Cladonema%20%281%29.pdf</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01203244/file/Plos%20Cladonema.pdf</identifier>
<source>https://hal.univ-antilles.fr/hal-01203244</source>
<source>PLoS ONE, Public Library of Science, 2015, 10 (5), pp. e0127625. 〈10.1371/journal.pone.0127625〉</source>
<identifier>DOI : 10.1371/journal.pone.0127625</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0127625</relation>
<language>en</language>
<subject lang=en>polyp stage.</subject>
<subject lang=en>bacteria</subject>
<subject lang=en>sulphur-oxidizing</subject>
<subject lang=en>cnidarian</subject>
<subject lang=en>symbiosis</subject>
<subject>[SDE.BE] Environmental Sciences/Biodiversity and Ecology</subject>
<subject>[SDV.BA.ZI] Life Sciences [q-bio]/Animal biology/Invertebrate Zoology</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>BackgroundSince the discovery of thioautotrophic bacterial symbiosis in the giant tubeworm Riftia pachyptila, there has been great impetus to investigate such partnerships in other invertebrates. In this study, we present the occurrence of a sulphur-oxidizing symbiosis in a metazoan belonging to the phylum Cnidaria in which this event has never been described previously.Methodology/Principal FindingsScanning Electron Microscope (SEM), Transmission Electron Microscope (TEM) observations and Energy-dispersive X-ray spectroscopy (EDXs) analysis, were employed to unveil the presence of prokaryotes population bearing elemental sulphur granules, growing on the body surface of the metazoan. Phylogenetic assessments were also undertaken to identify this invertebrate and microorganisms in thiotrophic symbiosis. Our results showed the occurrence of a thiotrophic symbiosis in a cnidarian identified as Cladonema sp.Conclusions/SignificanceThis is the first report describing the occurrence of a sulphur-oxidizing symbiosis in a cnidarian. Furthermore, of the two adult morphologies, the polyp and medusa, this mutualistic association was found restricted to the polyp form of Cladonema sp.</description>
<date>2015-05-26</date>
</dc>
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