Výsledky vyhledávání - "Marcel Diouris"

NDP-sugars, floridoside and floridean starch levels in relation to activities of UDP-glucose pyrophosphorylase and UDP-glucose-4-epimerase in Solieria chordalis (Rhodophyceae) under experimental conditions

Autor: Marcel Diouris, Jean-Yves Floc'h, Eric Deslandes, Geraldine Le Corre, Fabienne Goulard

Publikováno v: Phycological Research. 49:43-50

SUMMARY Under limited nutrient availability (i.e. unenriched sea-water) and under 75 mol photons m–2 s–1 irradiance 12:12 LD, thalli of Solieria chordalis J. Agardh accumulated floridean starch and floridoside. When they were transferred into nut

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1db6f866a994b65450b6183313a5c22
https://doi.org/10.1046/j.1440-1835.2001.00219.x

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Salinity effects on NDP-sugars, floridoside, starch, and carrageenan yield, and UDP-glucose-pyrophosphorylase and -epimerase activities of cultivated Solieria chordalis

Autor: Fabienne Goulard, Eric Deslandes, Jean-Yves Flocapos, Marcel Diouris, Gwenaelle Quere

Publikováno v: Journal of Plant Physiology. 158:1387-1394

Summary After a 7-day preconditioning in the dark in filtered seawater, excised fragments of Solieria chordalis were pooled before being distributed in culture tanks at three salinity conditions (22, 34, and 52 ‰). Algae cuts were taken from each t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2ca3b85402b06ed3659fdd485ef0184
https://doi.org/10.1078/0176-1617-00569

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Floridean starch and carrageenan contents as responses of the red algaSolieria chordalisto culture conditions

Autor: M. Zinoun, Isabelle Fournet, Eric Deslandes, Marcel Diouris, Jean Yves Floc'h

Publikováno v: European Journal of Phycology. 34:125-130

The influence of culture conditions on the biosynthesis and degradation of polysaccharides (starch and carrageenan) in the red alga Solieria chordalis was investigated. Following 1 week of incubation in the dark, the alga synthesized floridean starch

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::963b9840069c36cb976a13110f5f91b1
https://doi.org/10.1080/09670269910001736182

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Nucleotides, nucleoside sugars and UDP-glucose-4-epimerase activity in theiota-carrageenophytesSolieria chordalisandCalliblepharis jubata(Rhodophyceae)

Autor: Fabienne Goulard, Marcel Diouris, Eric Deslandes, Jean-Yves Floc'h

Publikováno v: European Journal of Phycology. 34:21-25

The nucleotides and nucleoside diphosphate monosaccharides (NDP-sugars), UDP-galactose, UDP-glucose, UDP, ATP, ADP, ADPglucose, AMP and NAD, some of which are involved in carrageenan biosynthesis, were identified in the two carrageenophytes Calliblep

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a79f9fb623d5f71d828edbca35c7f565
https://doi.org/10.1080/09670269910001736042

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HPLC analysis of algal pigments to define diet of sea urchins

Autor: Emmanuelle Haug, Fabienne Goulard, Marcel Diouris, Solène Connan, Monique Guillou

Publikováno v: Journal of the Marine Biological Association of the United Kingdom. 83:571-573

A method for a qualitative analysis of sea urchin diet is based on the characterization of the photosynthetic pigment indices of the major algal groups in the sea urchin gut. The pigments were separated by reverse-phase high performance liquid chroma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ddc32f536ec82ce54bae7c022de3e443
https://doi.org/10.1017/s0025315403007495h

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Long-distance transport of 14C-Iabelled assimilates in the Fucales: nature of translocated substances in Fucus serratus

Autor: Marcel Diouris

Publikováno v: Phycologia. 28:504-511

Long-distance transport of 14C-labelled (photo)assimilates was studied in Fucus serratus. Movement of label followed the source-sink relationship: the growing apical regions of this alga acted as a...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc0a505a9f9d4728e6ed4576f5332ed6
https://doi.org/10.2216/i0031-8884-28-4-504.1

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Action du fluorure de sodium sur la fixation des phosphates par des disques de tubercule de pomme de terre mis en survie

Autor: Marcel Diouris, Michel Penot

Publikováno v: Zeitschrift für Pflanzenphysiologie. 85:215-226

Summary The incorporation of phosphate into disks of potato tubers treated with sodium fluoride was studied. Pretreatment of potato tuber disks, which had been aged in 0,5 mM CaCl 2 for 24 hours, with 5 × 10 −2 M NaF for 15 minutes resulted in an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59e686cc788e9ef0453b7db2e50790fa
https://doi.org/10.1016/s0044-328x(77)80247-x

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