Results 91 to 100 of about 255 (108)
Journal of Applied Phycology, 2006 International audienceHaslea ostrearia is a common marine tychopelagic diatom which has the particularity of synthesizing a blue-green hydrosoluble pigment called “marennine”.
Jean-Bernard Pouvreau +2 more
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Diatom Research, 1995
Isolates of Haslea ostrearia containing different amounts of marennine have been investigated to elucidate the physiological role of this enigmatic blue pigment. Fluorescence analyses at room temperature and 77K showed that marennine is not involved in light-harvesting for either PS II or PS I. On the other hand, a light-shielding function of marennine
Hendrik Schubert +4 more
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Isolates of Haslea ostrearia containing different amounts of marennine have been investigated to elucidate the physiological role of this enigmatic blue pigment. Fluorescence analyses at room temperature and 77K showed that marennine is not involved in light-harvesting for either PS II or PS I. On the other hand, a light-shielding function of marennine
Hendrik Schubert +4 more
openaire +1 more source
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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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
openaire +2 more sources
Absorptio Spectrumin vivoof the Blue Pigment ‘Marennine’ of the Pennate DiatomNavicula ostreariaBory
Journal of Experimental Botany, 1981Biological 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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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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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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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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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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Journal of Applied Phycology, 2000
Two prominent diatoms encountered in oyster-ponds,Haslea ostrearia and Skeletonema costatum,were grown in batch and in a semi-continuous modeunder light of different spectral quality, white, blueor blue-green. The last corresponded to white lightmodified by a water-soluble pigment, marennine,produced by H. ostrearia.
Gérard Tremblin +4 more
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Two prominent diatoms encountered in oyster-ponds,Haslea ostrearia and Skeletonema costatum,were grown in batch and in a semi-continuous modeunder light of different spectral quality, white, blueor blue-green. The last corresponded to white lightmodified by a water-soluble pigment, marennine,produced by H. ostrearia.
Gérard Tremblin +4 more
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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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