ArticleFEMS microbiology ecology2019
Photosynthetic capacity of the endosymbiotic dinoflagellate Cladocopium sp. is preserved during digestion of its jellyfish host Mastigias papua by the anemone Entacmaea medusivora.
Article in FEMS microbiology ecology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 17 citations in OpenAlex.
- Building consensus around the assessment and interpretation of Symbiodiniaceae diversity.PeerJ · 2023Article
- Different levels of energetic coupling between photosynthesis and respiration do not determine the occurrence of adaptive responses of Symbiodiniaceae to global warming.The New phytologist · 2020Article
- In vivo assessment of mitochondrial respiratory alternative oxidase activity and cyclic electron flow around photosystem I on small coral fragments.Scientific reports · 2020Article
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5 authors at 1 institution in 1 country.
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Abstract
The sea anemone Entacmaea medusivora (Actiniaria, Anthozoa) commonly feeds on the golden jellyfish Mastigias papua (Rhizostomeae, Scyphozoa) which harbours an endosymbiotic dinoflagellate of the genus Cladocopium (Symbiodiniaceae). In this study, we monitored the photosynthetic activity of the endosymbiotic microalgae while their host jellyfish were ingested and digested by starved medusivorous anemones. By analyzing the photosynthetic yield of photosystem II, we observed that Cladocopium cells remain photosynthetically competent during the whole digestion process, thus confirming the exceptional resistance of Symbiodiniaceae to digestive enzymes. In the gastric cavity of E. medusivora, Cladocopium cells release oxygen, which could broadly stimulate the gastric microbiotic flora of the sea anemone. Ultimately, E. medusivora is not able to retain Cladocopium cells more than few days and physiologically-unaltered cells are therefore expelled in faecal pellets. The potential contribution of E. medusivora to maintain a reservoir of Cladocopium symbionts and its role in the life cycle of M. papua is discussed.
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