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<title lang=en>The transcriptomic response to thermal stress is immediate, transient and potentiated by ultraviolet radiation in the sea anemone Anemonia viridis</title>
<creator>Moya, A.</creator>
<creator>Ganot, P.</creator>
<creator>Furla, P.</creator>
<creator>Sabourault, C.</creator>
<contributor>Symbiose Marine (SM) ; Systématique, adaptation, évolution (SAE) ; Université Pierre et Marie Curie - Paris 6 (UPMC) - Centre National de la Recherche Scientifique (CNRS) - Université Pierre et Marie Curie - Paris 6 (UPMC) - Centre National de la Recherche Scientifique (CNRS) - Evolution Paris Seine ; Université Nice Sophia Antipolis (UNS) ; Université Côte d'Azur (UCA) - Université Côte d'Azur (UCA) - Centre National de la Recherche Scientifique (CNRS) - Université des Antilles et de la Guyane (UAG) - Université Pierre et Marie Curie - Paris 6 (UPMC) - Université Nice Sophia Antipolis (UNS) ; Université Côte d'Azur (UCA) - Université Côte d'Azur (UCA) - Université des Antilles et de la Guyane (UAG)</contributor>
<description>International audience</description>
<source>ISSN: 0962-1083</source>
<source>EISSN: 1365-294X</source>
<source>Molecular Ecology</source>
<publisher>Wiley</publisher>
<identifier>hal-01546174</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01546174</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01546174</source>
<source>Molecular Ecology, Wiley, 2012, 21 (5), pp.1158-1174. 〈10.1111/j.1365-294X.2012.05458.x〉</source>
<identifier>DOI : 10.1111/j.1365-294X.2012.05458.x</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1365-294X.2012.05458.x</relation>
<language>en</language>
<subject lang=en>bleaching</subject>
<subject lang=en> cnidarian-dinoflagellate symbiosis</subject>
<subject lang=en> functional genomics</subject>
<subject lang=en> oligoarrays</subject>
<subject lang=en> thermal stress</subject>
<subject lang=en> ultraviolet radiation (UVR)</subject>
<subject>[SDV.BID.EVO] Life Sciences [q-bio]/Biodiversity/Populations and Evolution [q-bio.PE]</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Among the environmental threats to coral reef health, temperature and ultraviolet increases have been proposed as major agents, although the relative contribution of each in the cnidarian/zooxanthellae symbiosis breakdown has been poorly addressed. We have investigated the transcriptomic response to thermal stress, with and without ultraviolet radiation (UVR), in the symbiotic sea anemone Anemonia viridis. Using the Oligo2K A.similar to viridis microarray, dedicated to genes potentially involved in the symbiosis interaction, we monitored the gene expression profiles after 1, 2 and 5 days of stresses that further lead to massive losses of zooxanthellae. Each stress showed a specific gene expression profile with very little overlap. We showed that the major response to thermal stress is immediate (24 h) but returns to the baseline gene expression profile after 2 days. UVR alone has little effect but potentiates thermal stress, as a second response at 5 days was observed when the two stresses were coupled. Several pathways were highlighted, such as mesoglea loosening, cell death and calcium homeostasis and described in more details. Finally, we showed that the dermatopontin gene family, potentially involved in collagen fibrillogenesis, issued from actinarian-specific duplication events, with one member preferentially expressed in the gastroderm and specifically responding to stress.</description>
<date>2012-03</date>
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