Can encapsulated embryos of Crepidula fornicata (L.) use extracapsular dissolved organic matter? An experimental study with a 13C-enriched amino acid
| العنوان: | Can encapsulated embryos of Crepidula fornicata (L.) use extracapsular dissolved organic matter? An experimental study with a 13C-enriched amino acid |
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| المؤلفون: | Antonio Brante, Pascal Riera, Cédric Leroux, Thierry Comtet, Fanny Leroy |
| المساهمون: | Adaptation et diversité en milieu marin (AD2M), Station biologique de Roscoff [Roscoff] (SBR), 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)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), DIVersité et COnnectivité dans le paysage marin côtier (DIVCO), 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)-Centre National de la Recherche Scientifique (CNRS)-Station biologique de Roscoff [Roscoff] (SBR), Ecogéochimie et Fonctionnement des Ecosystèmes Benthiques (EFEB), Ministere de la Recherche et de l'Enseignement Superieur, INSU, IFREMER [2009/10371755] |
| المصدر: | Journal Of Molluscan Studies (0260-1230) (Oxford Univ Press), 2012-02, Vol. 78, N. 1, P. 100-104 Journal of Molluscan Studies Journal of Molluscan Studies, Oxford University Press (OUP), 2012, 78 (1), pp.100-104. ⟨10.1093/mollus/eyr044⟩ Journal of Molluscan Studies, 2012, 78 (1), pp.100-104. ⟨10.1093/mollus/eyr044⟩ |
| بيانات النشر: | Oxford University Press (OUP), 2011. |
| سنة النشر: | 2011 |
| مصطلحات موضوعية: | 0106 biological sciences, chemistry.chemical_classification, animal structures, food.ingredient, [SDV]Life Sciences [q-bio], 010604 marine biology & hydrobiology, Embryogenesis, Capsule, Embryo, Aquatic Science, Biology, biology.organism_classification, 010603 evolutionary biology, 01 natural sciences, Organic molecules, Amino acid, food, Biochemistry, chemistry, Yolk, [SDE]Environmental Sciences, embryonic structures, Dissolved organic carbon, Animal Science and Zoology, Crepidula |
| الوصف: | International audience; Many marine gastropod species brood their embryos in thin-walled capsules to protect them during development. Despite its beneficial effects, encapsulation has two major constraints, nutrition and oxygen supply, which affect embryo development and larval survival. Developing embryos usually rely on intracapsular food sources provided by the mother, in the form of yolk, nurse eggs and intracapsular fluid. However, it is still not clear if they are able to feed on extracapsular sources that may cross the capsule wall. We investigated this possibility in the calyptraeid species Crepidula fornicata. In this species, the internal capsule wall thickness sharply decreases during embryonic development, which might change wall permeability to small organic molecules, thus providing embryos with external dissolved organic matter. To test this hypothesis, encapsulated and excapsulated embryos of C. fornicata were placed for 48 h in a C-13-enriched amino acid (L-alanine) solution. Excapsulated embryos were enriched in C-13 (+5.75%), which suggested that they were able to assimilate the labelled amino acid. In contrast, encapsulated embryos were weakly enriched (+0.75%), suggesting that encapsulation greatly reduces the potential for the use of extracapsular amino acids and that encapsulated embryos mainly rely on maternal food. |
| وصف الملف: | application/pdf |
| تدمد: | 1464-3766 0260-1230 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5da25cdf425fcab9a800dcbc13170aabTest https://doi.org/10.1093/mollus/eyr044Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....5da25cdf425fcab9a800dcbc13170aab |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 14643766 02601230 |
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