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<title lang=en>Fish mucus metabolome reveals fish life-history traits</title>
<creator>Reverter, M.</creator>
<creator>Sasal, P.</creator>
<creator>Banaigs, Bernard</creator>
<creator>Lecchini, David</creator>
<creator>Lecellier, G.</creator>
<creator>Tapissier-Bontemps, Nathalie</creator>
<contributor>Centre de recherches insulaires et observatoire de l'environnement (CRIOBE) ; Université de Perpignan Via Domitia (UPVD) - École pratique des hautes études (EPHE) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratoire d'Excellence CORAIL (LabEX CORAIL) ; Institut de Recherche pour le Développement (IRD) - Université des Antilles et de la Guyane (UAG) - École des hautes études en sciences sociales (EHESS) - École pratique des hautes études (EPHE) - Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) - Université de la Réunion (UR) - Université de la Polynésie Française (UPF) - Université de Nouvelle Calédonie - Institut d'écologie et environnement</contributor>
<description>International audience</description>
<source>ISSN: 0722-4028</source>
<source>EISSN: 1432-0975</source>
<source>Coral Reefs</source>
<publisher>Springer Verlag</publisher>
<identifier>hal-01563312</identifier>
<identifier>https://hal-univ-perp.archives-ouvertes.fr/hal-01563312</identifier>
<source>https://hal-univ-perp.archives-ouvertes.fr/hal-01563312</source>
<source>Coral Reefs, Springer Verlag, 2017, 〈10.1007/s00338-017-1554-0〉</source>
<identifier>DOI : 10.1007/s00338-017-1554-0</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1007/s00338-017-1554-0</relation>
<language>en</language>
<subject lang=en>Butterflyfishes</subject>
<subject lang=en> Fish mucus</subject>
<subject lang=en> Coral reefs</subject>
<subject lang=en> Metabolomics</subject>
<subject lang=en> Metabolic variability</subject>
<subject>[SDV] Life Sciences [q-bio]</subject>
<subject>[SDV.BA] Life Sciences [q-bio]/Animal biology</subject>
<subject>[SDV.BA.ZV] Life Sciences [q-bio]/Animal biology/Vertebrate Zoology</subject>
<subject>[SDE.BE] Environmental Sciences/Biodiversity and Ecology</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Fish mucus has important biological and ecologicalroles such as defense against fish pathogens andchemical mediation among several species. A non-targetedliquid chromatography–mass spectrometry metabolomicapproach was developed to study gill mucus of eight butterflyfishspecies in Moorea (French Polynesia), and theinfluence of several fish traits (geographic site and reefhabitat, species taxonomy, phylogeny, diet and parasitismlevels) on the metabolic variability was investigated. Abiphasic extraction yielding two fractions (polar and apolar)was used. Fish diet (obligate corallivorous, facultativecorallivorous or omnivorous) arose as the main driver ofthe metabolic differences in the gill mucus in both fractions,accounting for 23% of the observed metabolic variabilityin the apolar fraction and 13% in the polar fraction.A partial least squares discriminant analysis allowed us toidentify the metabolites (variable important in projection,VIP) driving the differences between fish with differentdiets (obligate corallivores, facultative corallivores andomnivorous). Using accurate mass data and fragmentationdata, we identified some of these VIP as glycerophosphocholines,ceramides and fatty acids. Level of monogeneangill parasites was the second most important factor shapingthe gill mucus metabolome, and it explained 10% of themetabolic variability in the polar fraction and 5% in theapolar fraction. A multiple regression tree revealed that themetabolic variability due to parasitism in the polar fractionwas mainly due to differences between non-parasitized andparasitized fish. Phylogeny and butterflyfish species werefactors contributing significantly to the metabolic variabilityof the apolar fraction (10 and 3%, respectively) buthad a less pronounced effect in the polar fraction. Finally,geographic site and reef habitat of butterflyfish species didnot influence the gill mucus metabolome of butterflyfishes.</description>
<date>2017-02-27</date>
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