Results 91 to 100 of about 291 (104)
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A new photobioreactor for continuous marennin production with a marine diatom: influence of the light intensity and the immobilised-cell matrix (alginate beads or agar layer)

Applied Microbiology and Biotechnology, 2002
In oyster ponds, the marine diatom Haslea ostrearia synthesises and excretes a hydrosoluble pigment of commercial interest called marennin. During the benthic stage, when algal cells are naturally immobilised in their own polysaccharides, marennin production is higher. To optimise this production, axenic cultures of H.
T, Lebeau   +3 more
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Some Physicochemical Characteristics of the Marennine-Like Pigment Synthesized by the Marine Diatom Haslea karadagensis (Bacillariophyta)

Moscow University Biological Sciences Bulletin
Marennine and marennine-like pigments produced by certain diatom species of the genus Haslea are unique water-soluble compounds with several valuable properties. The exact chemical structure of these pigments has not been fully elucidated, but data on the physical and chemical characteristics of marennines have been obtained primarily for H. ostrearia.
N. A. Davidovich, E. S. Kirienko
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Absorptio Spectrumin vivoof the Blue Pigment ‘Marennine’ of the Pennate DiatomNavicula ostreariaBory

Journal of Experimental Botany, 1981
Biological and environmental conditions affect the intracellular contents of the diatom Navicula ostrearia Bory. Thus this alga has the peculiarity of synthesizing marennine, a blue-green pigment of an undefined chemical nature. The present study deals with a cytophotometric method permitting identification of the pigment in vivo, by its characteristic
M. J. ROBERT, J. N. HALLET
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Mono‐ and digalactosyldiacylglycerol composition of the marennine‐producing diatom, Haslea ostrearia: Comparison to a selection of pennate and centric diatoms

Phycological Research, 2013
SummaryDiatoms are one of the largest groups of primary producers in the oceans, yet despite their environmental importance little is known about their plastidial lipid biochemistry. It has been previously reported that Skeletonema species contain primarily C16/C16 and C20/C16 forms of mono‐ and digalactosyldiacylglycerol (MGDG and DGDG, respectively).
V. Joshua Dodson   +3 more
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Marennine-like pigments

Trends in Natural Product Research - PSE Young Scientists’ Meeting 2019, 2019
Nellie Francezon   +3 more
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Greening phenomenon in bivalve by marennine produced from Haslea ostrearia and its consequences on bivalve’s integrated response

Le phénomène du verdissement des bivalves par la marennine produite par l’Haslea ostrearia et ses conséquences sur la réponse intégrée de bivalves Le but de ce travail de doctorat est d’évaluer la possibilité d’utiliser Haslea ostrearia et la marennine en ostréiculture. Les objectives de ce projet sont : (1) l'évaluation du comportement
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Theoretical and Experimental Studies on the Evidence of 1,3-β-Glucan in Marennine of Haslea ostrearia

Molecules, 2023
Ari Hardianto   +2 more
exaly  

Haslea ostrearia Pigment Marennine Affects Key Actors of Neuroinflammation and Decreases Cell Migration in Murine Neuroglial Cell Model

International Journal of Molecular Sciences, 2023
Jean-Luc Mouget   +2 more
exaly  

Biodiversité, reproduction et phylogénie des diatomées bleues du genre Haslea et valorisation de leurs pigments de type marennine

La diatomée Haslea ostrearia a longtemps été considérée comme le seul organisme apte à produire un pigment surnuméraire bleu nommé marennine, connu pour son rôle dans le verdissement des branchies des huîtres affinées dans les bassins ostréicoles. Certains des mécanismes et facteurs influençant l’entrée de cette diatomée en phase de reproduction sexuée
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