Výsledky vyhledávání - "audrey Guéneuguès"

Akademický článek

Tagging of water masses with covariance of trace metals and prokaryotic taxa in the Southern Ocean

Autor: Rui Zhang, Stéphane Blain, Corentin Baudet, Hélène Planquette, Frédéric Vivier, Philippe Catala, Olivier Crispi, Audrey Guéneuguès, Barbara Marie, Pavla Debeljak, Ingrid Obernosterer

Publikováno v: Limnology and Oceanography Letters, Vol 9, Iss 6, Pp 776-784 (2024)

Abstract Marine microbes are strongly interrelated to trace metals in the ocean. How the availability of trace metals selects for prokaryotic taxa and the potential feedback of microbial processes on the trace metal distribution in the ocean remain p

Externí odkaz: https://doaj.org/article/9230b1349bd9446b971853a102e17c8c

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Akademický článek

Comparative Thermophysiology of Marine Synechococcus CRD1 Strains Isolated From Different Thermal Niches in Iron-Depleted Areas

Autor: Mathilde Ferrieux, Louison Dufour, Hugo Doré, Morgane Ratin, Audrey Guéneuguès, Léo Chasselin, Dominique Marie, Fabienne Rigaut-Jalabert, Florence Le Gall, Théo Sciandra, Garance Monier, Mark Hoebeke, Erwan Corre, Xiaomin Xia, Hongbin Liu, David J. Scanlan, Frédéric Partensky, Laurence Garczarek

Publikováno v: Frontiers in Microbiology, Vol 13 (2022)

Marine Synechococcus cyanobacteria are ubiquitous in the ocean, a feature likely related to their extensive genetic diversity. Amongst the major lineages, clades I and IV preferentially thrive in temperate and cold, nutrient-rich waters, whilst clade

Externí odkaz: https://doaj.org/article/461d6bed19a844539470adac1fdc9aa5

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Akademický článek

The Role of the Glyoxylate Shunt in the Acclimation to Iron Limitation in Marine Heterotrophic Bacteria

Autor: Coco Koedooder, Audrey Guéneuguès, Rémy Van Geersdaële, Valérie Vergé, François-Yves Bouget, Yannick Labreuche, Ingrid Obernosterer, Stéphane Blain

Publikováno v: Frontiers in Marine Science, Vol 5 (2018)

Iron (Fe) is an essential element for marine microbial growth but is present in trace amounts (

Externí odkaz: https://doaj.org/article/9725202b21634baab5860428bbf4e428

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Vertical flux of trace elements associated with lithogenic and biogenic carrier phases in the Southern Ocean

Autor: Stephane Blain, Hélène Planquette, Ingrid Obernosterer, audrey Guéneuguès

Publikováno v: Global Biogeochemical Cycles (0886-6236) (American Geophysical Union (AGU)), 2022-05, Vol. 36, N. 5, P. e2022GB007371 (16p.)
Global Biogeochemical Cycles
Global Biogeochemical Cycles, 2022, 36 (5), ⟨10.1029/2022GB007371⟩

International audience; Trace elements (TE) are tracers of multiple biotic and abiotic processes in the ocean and some of them are essential for marine life. Vertical export by particles is a major removal process of a large fraction of TE from the s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::052f2cf6d789aca72aad09dbe302aca2
https://archimer.ifremer.fr/doc/00770/88197/

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The interplay between iron limitation, light, and carbon in the proteorhodopsin containing Photobacterium angustum S14

Autor: Coco Koedooder, Ingrid Obernosterer, Rémy Van Geersdaële, Audrey Guéneuguès, Stéphane Blain, François-Yves Bouget

Publikováno v: FEMS Microbiology Letters
FEMS Microbiology Letters, Wiley-Blackwell, 2020, ⟨10.1093/femsec/fiaa103⟩

Iron (Fe) limitation is known to affect heterotrophic bacteria within the respiratory electron transport chain, therefore strongly impacting the overall intracellular energy production. We investigated whether the gene expression pattern of the light

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d25ca40f097604a2668864119eac99b
https://hal.archives-ouvertes.fr/hal-02896294

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Effects of iron limitation on growth and carbon metabolism in oceanic and coastal heterotrophic bacteria

Autor: Ingrid Obernosterer, Aurélie Devez, Annick Schaumann, Marion Fourquez, Thierry Jouenne, Stéphane Blain, Audrey Guéneuguès

Publikováno v: Limnology and Oceanography Bulletin
Limnology and Oceanography Bulletin, American Society of Limnology and Oceanography, 2014, 59 (2), pp.349-360. ⟨10.4319/lo.2014.59.2.0349⟩
Limnology and Oceanography Bulletin, 2014, 59 (2), pp.349-360. ⟨10.4319/lo.2014.59.2.0349⟩

We investigated the metabolic response to iron (Fe) limitation of two bacterial strains of Alteromonas macleodii , isolated from a coastal and an oceanic marine environment. Bacteria were grown under Fe-limited and Fe-replete conditions, and comparat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0daccdcd5753ec588850351f559b1f3c
https://doi.org/10.4319/lo.2014.59.2.0349

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Central role for ferritin in the day/night regulation of iron homeostasis in marine phytoplankton

Autor: Emmanuel Lesuisse, Audrey Guéneuguès, Robert Sutak, Christophe Six, Stéphane Blain, Thibaut Léger, Philippe Schatt, Chris Bowler, Hugo Botebol, François-Yves Bouget, Valerie M. K. Verge, Joe Morrissey, Jean-Michel Camadro, Jean-Claude Lozano, Amos Kirilovsky

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America
Proceedings of the National Academy of Sciences of the United States of America, National Academy of Sciences, 2015, 112 (47), pp.14652-7. ⟨10.1073/pnas.1506074112⟩
Proceedings of the National Academy of Sciences of the United States of America, 2015, 112 (47), pp.14652-7. ⟨10.1073/pnas.1506074112⟩

International audience; In large regions of the open ocean, iron is a limiting resource for phytoplankton. The reduction of iron quota and the recycling of internal iron pools are among the diverse strategies that phytoplankton have evolved to allow

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d2826aa6c86e7a6f961518467378d4b
https://europepmc.org/articles/PMC4664360/

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Distributions and stoichiometry of dissolved nitrogen and phosphorus in the iron-fertilized region near Kerguelen (Southern Ocean)

Autor: Louise Oriol, Stéphane Blain, Ingrid Obernosterer, J. Capparos, Audrey Guéneuguès

Publikováno v: Biogeosciences (1726-4170) (Copernicus Gesellschaft Mbh), 2015-01-30, Vol. 12, N. 2, P. 623-635
Biogeosciences
Biogeosciences, European Geosciences Union, 2015, 12 (2), pp.623-635. ⟨10.5194/bg-12-623-2015⟩
Biogeosciences, Vol 12, Iss 2, Pp 623-635 (2015)
Biogeosciences, 2015, 12 (2), pp.623-635. ⟨10.5194/bg-12-623-2015⟩

During KEOPS2 (Kerguelen Ocean and Plateau Compared Study 2), we determined dissolved inorganic and organic nitrogen and phosphorus species in the naturally fertilized region of Kerguelen Island (Southern Ocean). Above 150 m, stations were clearly se

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96fedb5e7970a767c358cb0023bfc37f
https://archimer.ifremer.fr/doc/00292/40343/

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