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Complex Relationships between the Blue Pigment Marennine and Marine Bacteria of the Genus Vibrio ArchiMer
Falaise, Charlotte; James, Adele; Travers, Marie-agnes; Zanella, Marie; Badawi, Myriam; Mouget, Jean-luc.
Marennine, the water-soluble blue pigment produced by the marine diatom Haslea ostrearia, is known to display antibacterial activities. Previous studies have demonstrated a prophylactic effect of marennine on bivalve larvae challenged with a pathogenic Vibrio splendidus, suggesting that the blue Haslea is a good candidate for applications in aquaculture as a source of a natural antimicrobial agent. Indeed, the genus Vibrio is ubiquitous in aquaculture ecosystems, and regular events of pathogenic invasion cause some of the biggest losses worldwide. To better characterize the effects of marennine on Vibrios, a panel of 30 Vibrio strains belonging to 10 different species was tested, including bivalve pathogenic species (e.g., Vibrio crassostreae and Vibrio...
Tipo: Text Palavras-chave: Antibacterial activity; Diauxie; Haslea; Hormesis; Marennine; Vibrio.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00484/59598/62602.pdf
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Contribution à la mise en place de critères de qualité des huîtres creuses Crassostrea gigas affinées en claires ArchiMer
Gras, Marie-paule; Gras, Paul; Cosnard, Michel; Garnier, Jacqueline.
The oysters fattened in the "claires" have a very appreciated quality. Representative criters of this quality: index of condition, the glycogen content, color of gills of molluscs by the pigment called "marennine" and indx of shape of shells are studied for the Japanses oysters Crassostrea gigas (Thunberg)
Tipo: Text Palavras-chave: Ostréiculture; Claires à huître; Crassostrea gigas; Marennine; Verdissement; Marennes Oléron; Charente Maritime.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00009/12009/8701.pdf
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Harmful or harmless: biological effects of marennine on marine organisms ArchiMer
Falaise, Charlotte; Cormier, Patrick; Tremblay, Réjean; Audet, Céline; Deschênes, Jean-sébastien; Turcotte, François; François, Cyrille; Seger, Andreas; Hallegraeff, Gustaaf; Lindquist, Niels; Sirjacobs, Damien; Gobert, Sylvie; Lejeune, Pierre; Demoulin, Vincent; Mouget, Jean-luc.
Marennine is a water-soluble blue-green pigment produced by the marine diatom Haslea ostrearia. The diatom and its pigment are well known from oyster farming areas as the source of the greening of oyster gills, a natural process increasing their market value in Western France. Blooms of blue Haslea are also present outside oyster ponds and hence marine organisms can be exposed, periodically and locally, to significant amounts of marennine in natural environments. Due to its demonstrated antibacterial activities against marine pathogenic bacteria (e.g. Vibrio) and possible prophylactic effects toward bivalve larvae, marennine is of special interest for the aquaculture industry, especially bivalve hatcheries. The present study aimed to provide new insights...
Tipo: Text Palavras-chave: Diatom; Haslea ostrearia; Marennine; Marine organisms; Natural bioactive compound.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00477/58887/61443.pdf
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