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Sci Rep


Title:Species-specific metabolites mediate host selection and larval recruitment of the symbiotic seastar shrimp
Author(s):Lourtie A; Eeckhaut I; Mallefet J; Savarino P; Isorez M; Mussoi L; Bischoff H; Delroisse J; Hedouin L; Gerbaux P; Caulier G;
Address:"Biology of Marine Organisms and Biomimetics Unit, Research Institute for Biosciences, University of Mons-UMONS, 23 Place du Parc, 7000, Mons, Belgium. alexia.lourtie@umons.ac.be. Marine Biology Laboratory, Earth and Life Institute, University UCLouvain, Croix du sud 3/L7.06.04, 1348, Louvain-la-Neuve, Belgium. alexia.lourtie@umons.ac.be. Biology of Marine Organisms and Biomimetics Unit, Research Institute for Biosciences, University of Mons-UMONS, 23 Place du Parc, 7000, Mons, Belgium. Belaza Marine Station (IH.SM-UMONS-ULIEGE), Toliara, Madagascar. Marine Biology Laboratory, Earth and Life Institute, University UCLouvain, Croix du sud 3/L7.06.04, 1348, Louvain-la-Neuve, Belgium. Organic Synthesis and Mass Spectrometry Laboratory, Research Institute for Biosciences, University of Mons-UMONS, 23 Place du Parc, 7000, Mons, Belgium. PSL Research University: EPHE-CNRS-UPVD, USR 3278 CRIOBE, BP 1013, 98729, Papetoai, Mo'orea, French Polynesia. Laboratoire d'Excellence CORAIL, Mo'orea, French Polynesia. Biology of Marine Organisms and Biomimetics Unit, Research Institute for Biosciences, University of Mons-UMONS, 23 Place du Parc, 7000, Mons, Belgium. guillaume.caulier@umons.ac.be. Belaza Marine Station (IH.SM-UMONS-ULIEGE), Toliara, Madagascar. guillaume.caulier@umons.ac.be"
Journal Title:Sci Rep
Year:2023
Volume:20230804
Issue:1
Page Number:12674 -
DOI: 10.1038/s41598-023-39527-2
ISSN/ISBN:2045-2322 (Electronic) 2045-2322 (Linking)
Abstract:"In marine environments, host selection, defining how symbiotic organisms recognize and interact with their hosts, is often mediated by olfactory communication. Although adult symbionts may select their hosts detecting chemosensory cues, no information is available concerning the recruitment of symbiotic larvae which is a crucial step to sustain symbioses over generations. This study investigates the olfactory recognition of seastar hosts by adult Zenopontonia soror shrimps and the recruitment of their larvae. We examine the semiochemicals that influence host selection using chemical extractions, behavioural experiments in olfactometers, and mass spectrometry analyses. After describing the symbiotic population and the embryonic development of shrimps, our results demonstrate that asterosaponins, which are traditionally considered as chemical defences in seastars, are species-specific and play a role in attracting the symbiotic shrimps. Adult shrimps were found to be attracted only by their original host species Culcita novaeguineae, while larvae were attracted by different species of seastars. This study provides the first chemical identification of an olfactory cue used by larvae of symbiotic organisms to locate their host for recruitment. These findings highlight the importance of chemical communication in the mediation of symbiotic associations, which has broader significant implications for understanding the ecological dynamics of marine ecosystems"
Keywords:Animals Larva Ecosystem *Decapoda *Palaemonidae Smell Symbiosis;
Notes:"MedlineLourtie, Alexia Eeckhaut, Igor Mallefet, Jerome Savarino, Philippe Isorez, Mathilde Mussoi, Lisa Bischoff, Hugo Delroisse, Jerome Hedouin, Laetitia Gerbaux, Pascal Caulier, Guillaume eng Research Support, Non-U.S. Gov't England 2023/08/05 Sci Rep. 2023 Aug 4; 13(1):12674. doi: 10.1038/s41598-023-39527-2"

 
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